Cambridge University Press
978-0-521-60825-1 - Psychiatric and Behavioural Disorders in Intellectual and Developmental Disabilities - by Nick Bouras and Geraldine Holt
Index



Index




4p− syndrome 316–17

5p− (cri du chat) syndrome

   aetiology-based behavioural research 202–3

   indirect behavioural effects 206

   specificity of behavioural phenotypes 204–5

   within-group genetic variations 208

ABC (Aberrant Behaviour Checklist) 25–6,28

   concurrent validity 34–6

   criterion group validity 32,35

   internal consistency 30,31

   test–retest and inter-rater reliability 30–1

abuse, presenting as challenging behaviour 78, 83 see also physical abuse; sexual abuse

acute stress disorder see anxiety disorders

ADAMS assessment tool 121–2

   depressed mood subscale 117–18

ADHD (attention deficit hyperactivity disorder)

   differentiation from PDD-NOS 216–17

   in people with autism 216–17

   incidence among children and adolescents with ID 93–6

   psychopharmacology 318–19

ADI (Autism Diagnostic Instrument) 98

adjustment disorders

   clinical categories 122

   DSM-IV-TR criteria 122

adjustment disorders in people with ID

   aetiology 122–3

   behaviour therapies 124

   environmental stress factors 124

   identification of physical problems 125

   pharmacotherapeutic regimes 123–4

   prevalence among people with ID 113

   staff training to improve treatment 124–5

   symptom presentation 123

   treatment by removal of causes 123

   treatment methods 123–5

adolescents with ID see children and adolescents with ID

ADOS (Autism Diagnostic Observation Schedule) 98

adrenergics 322–3

affective (mood) disorders 132–3

   clinical features, assessment and diagnosis 134,135–7

   general principles of treatment 138

   non-pharmacological treatments 138

   pharmacological treatments 138,316–17

   range of community and inpatient services 138–9

   see also depression

aggressive behaviour 62–3

   anger management training 297–8

   behavioural interventions 297–8

   behavioural perspective 272–3

   biobehavioural assessment and treatment 275–7

   consequence analysis 273

   functional assessment 272–3

   functional assessment and treatment 275–7

   functional assessment methods 274–5

   genetic syndrome effects 271–2

   integrated approach to treatment 277–8

   inter-disciplinary treatment programme 275–7

   medication side effects 271

   neurological disorders 271–2

   psychiatric conditions 271–2

   psychopharmacology 314–16,319–23

   quality-of-life analysis 274

   setting events 273

   treatment developments 269–70

   treatment programme design 275–7

   underlying medical conditions 270–1

   see also behaviour problems; challenging behaviours; destructive behaviour

agoraphobia see anxiety disorders

Aicardi syndrome 239

alprazolam 315–16

Alzheimer’s disease

   baseline neuroimaging 260

   in older people with ID 156–9

   see also dementia; Down syndrome

amantadine 322

Angelman syndrome

   aetiology-based behavioural research 202–3

   association with epilepsy 239

   specificity of behavioural phenotypes 204–5

anger management training 297–8

     see also aggressive behaviour

anticonvulsants 315,316–17,322–3

antipsychotics (neuroleptics) 316,317–18,320–1

   tapering and discontinuation 318

   tardive dyskinesia risk 317,320–1

anxiety disorders

   conditions included 118–19

   DSM-IV-TR criteria 118–19

anxiety disorders and ID

   aetiology 119–20

   assessment 121–2

   behavioural interventions 124,295–7

   cognitive therapy 334

   diagnostic criteria 118–19

   diagnostic instruments developed for ID 121–2

   environmental stress factors 119–20,124

   genetic factors 119

   identification of physical problems 125

   in people with autism spectrum disorders 218–20,221

   link with major life events and trauma 121

   link with physical and sexual abuse 119–20

   pharmacotherapeutic regimes 123–4

   post-traumatic stress disorder 119–20

   prevalence among children and adolescents with ID 93–6

   prevalence among people with ID 113,119

   psychopharmacology 314–16

   staff training to improve treatment 124–5

   symptom presentation 121

   treatment methods 123–5

Anxiety Disorders Interview Schedule 98

Asperger’s syndrome

   co-morbid depression and anxiety 219,221

   Non-verbal Learning Disability (NLD) 215–16,217–18

   obsessive symptoms 220

   pragmatic language impairment 217–18

   psychiatric co-morbidity 215–16

assessment of children and adolescents with ID 96–7,98

   assessment issues 98–101

   cognitive ability issues 99

   developmental level effects 99

   multiple disabilities and medical illness 99–100

   psychosocial and family factors 100–1

assessment process (mental health of a person with ID) 43–8

   brief assessment screen 45,46

   inter-disciplinary assessment 46–8

   the first contact 45

   venue 43

   who should be there 45

atomoxetine 102–3

attention problems in autism spectrum disorders 215–16

autism spectrum disorders

   ADHD co-morbidity 216–17

   attention problems 215–16

   clinical assessment of children and adolescents with ID 98

   co-morbid depression and anxiety 218–20

   co-morbid Tourette syndrome 220

   diagnostic overshadowing 215–16

   genetic factors 218–20

   in children and adolescents with ID 94,99–100

   neuroimaging studies 256–7

   pragmatic language impairment 217–18

   prevalence of ID 217–18

   prevalence of learning disabilities 217–18

   psychiatric co-morbidity in adolescence 215–16

   relationship to schizophrenia 215–16,220–1

   risk for depression 215–16

   vocal and motor tics 220

autistic traits associated with challenging behaviours 70–1

baseline exaggeration 9–10,11,52

Beck Depression Inventory 117–18

behaviour disorders, classification criteria 9

behaviour problems

   behavioural perspective 272–3

   biobehavioural assessment and treatment 275–7

   consequence analysis 273

   contextual influences 292–3

   epilepsy and ID 244–5

   functional assessment 272–3

   functional assessment and treatment 275–7

   functional assessment methods 274–5

   genetic syndrome effects 271–2

   integrated approach to treatment 277–8

   inter-disciplinary treatment programme 275–7

   medication side effects 271

   neurological disorders 271–2

   Positive Behaviour Support 275–7,283–4

   psychiatric conditions 271–2

   psychopharmacology 319–23

   quality-of-life analysis 274

   setting events 273

   treatment developments 269–70

   treatment programme design 275–7

   underlying medical conditions 270–1

   see also aggressive behaviour; challenging behaviours; destructive behaviour

behaviour shaping (behavioural intervention) 290

behavioural ‘toxicity’ potential of drugs 313–14,322–3

behavioural equivalents 64–5,67,116–17

behavioural interventions

   aggressive behaviour 297–8

   anger management training 297–8

   anxiety disorders 295–7

   assessment 286–8

   behaviour plan 284

   behaviour shaping 290

   benefits and future potential 283–4,300–1

   choice of techniques 293

   combinations of techniques 293

   communication training 288

behavioural interventions (cont.)

   contextual influences on problem behaviour 292–3

   co-ordination with other disciplines 285

   depression 298–9

   disruptive behaviour 297–8

   extinction of behaviours 290

   functional assessment 287–8

   functional communication training 288

   integrated approach 285

   inter-disciplinary assessment 286–8

   interpersonal skills training 293–4

   medical assessment 286

   operant model of aggression 297

   over-correction 292

   phobias 295–6

   Positive Behaviour Support 283–4

   post-traumatic stress disorder 296–7

   preference assessment 289

   principles 284

   psychiatric assessment 286–7

   psychosis 299–300

   punishment 291

   reinforcement 289

   relaxation training 294–5

   response cost 291–2

   role of carers 285

   role of family, teachers and staff 285

   self-management 290–1

   social skills training 293–4

   specific phobias 295–6

   staff training in behavioural approach 300

   time-out 292

   token economy 289–90

   video feedback 290–1

behavioural perspective, behaviour problems in people with ID 272–3

behavioural phenotypes 77–8

   aetiology-based therapeutic approaches 210

   age-related effects 206–7

   definition 203

   destructive or aggressive behaviour 271–2

   developmental and contextual influences 206–7

   differences within aetiological groups 208–9

   differentiation using maladaptive behaviours 207–8

   diversity of behavioural domains 205

   equifinality concept 204–5

   future research directions 207–10

   indirect behavioural effects 206

   influence of ‘background’ genetic factors 207

   mechanisms associated with maladaptive behaviour 209

   progress in aetiology-based behavioural research 202–3

   therapeutic advances 210

   total vs. partial specificity between syndromes 204–5,207–8

   within-group variations 208–9

   within-syndrome variability 203,208–9

benzodiazepines 315–16

beta adrenergic antagonists 315,322–3

beta-blockers 102–3

bio-psycho-social-spiritual influences on medical and psychiatric disorders 77–9

biobehavioural assessment and treatment, behaviour problems in people with ID 275–7

Birleson Depression Questionnaire 117–18

brain

   neuroimaging in clinical practice 259–61,262

   neuroimaging of neurodevelopmental disorders 256–9

   neuroimaging studies of normal development 255–6

   normal development and ageing 255–6

buspirone 314–15

CAMCOG 165

CAMDEX-DS 165

carbamazepine 102–3,315

carer-completed checklists and rating scales 36

     see also mental health assessment and monitoring tools

CDI (Children’s Depression Inventory) 117–18

cerebral dysgenesis, in epilepsy and ID 240

cerebral dysplasias, in epilepsy and ID 240

challenging behaviours

   and prevalence of psychiatric disorders 63–4

   as consequence of psychiatric disorders 64

   association with autistic traits 70–1

   behavioural equivalents 64–5

   case reports 66

   complexity of contributory factors 71–2

   conditions which are often overlooked 82–3

   cross-sectional studies 67–8

   definition 63

   diagnostic skills required 71–2

   difficulties in assessment 64–5

   examples of research approaches 66–9

   factor/cluster analytic studies 69

   future research directions 69–71

   inconsistent terminology and classification 65

   intervention studies 68–9

   lack of integrated approaches 66

   link with psychiatric disorders 62–3

   neuroimaging investigation 261

   problems faced by researchers 64–6

   reasons for link with psychiatric disorders 63–4

   see also aggressive behaviour; behaviour problems; destructive behaviour

checklists see mental health assessment and monitoring tools

children and adolescents with ID

   ADHD 93–6

   applicability of DSM-IV and ICD-10 criteria 94

   assessment issues 98–101

   autism spectrum disorders 94,98,99–100

   classification and diagnosis of psychopathological disorders 93–6

   clinical assessment 96–7,98

   clinical case example (Bill, aged 13 years) 104–5

   clinical case example (Brian, aged 15 years) 105–6

   clinical case example (Darren, aged 16 years) 106–9

   clinical case example (Susan, aged 7 years) 103–4

   depression and anxiety disorders 93–6

   developmental level effects 99

   Down syndrome 99–100

   epilepsy 99–100

   fragile X syndrome 99–100

   genetic disorders associated with ID 99–100

   level of cognitive ability 99

   management principles 101–3

   multimodal treatment 101–3

   multiple disabilities and medical illness 99–100

   pharmacotherapy 102–3

   phenomenology of psychiatric disorders 93–6

   Prader–Willi syndrome 99–100

   psychiatric disorders 93

   psychosocial and family factors 100–1

   studies using DBC 95–6

   support for parents and siblings 101–2

   Tourette syndrome 99–100

   Williams syndrome 99–100

chlorpromazine 317–18

citalopram 314,316–17

classification of challenging behaviours, inconsistency 65

classification of mental disorders

   concerns about negative labelling 11–12

   criteria for mental and behavioural disorders 9

   critiques of classification 11–14

   development of systems 3–4

   importance and functions 3–4,5

   necessary properties of systems 4–7,8

   reliability and validity criteria 4–7,8

classification of psychiatric disorders, inconsistency of 65

clinical interview (person with ID) 48–52

   asking about symptoms 50–2

   considerations for effective interviewing 50–2

   difficulties in interpreting symptoms 52

   outline for history taking 48–50

clinical practice, use of neuroimaging 259–61,262

clinical services see mental health services for people with ID

‘cloak of confidence’ 50–2

clomipramine 102–3,321

clonazepam 315–16

clonidine 102–3,319

clozapine 320–1

cognitive disintegration 9–10,11,52

cognitive models of distress 334–5

   effects of negative social construction 334–5

   effects of stigmatization 334–5

cognitive therapy 332–4

   assessment 333

   ‘deficit’ and ‘distortion’ approaches 332–3

   for anxiety 334

   for depression 334

   for psychoses 334

   outcomes 334

   use for offenders with ID 334

communication training 288

compulsive behaviours and ID, psychopharmacology 314–16

consequence analysis, behaviour problems in people with ID 273

Cornelia de Lange syndrome

   association with self-injurious behaviour 228

   link with anxiety disorders 119

CPRS (Comprehensive Psychopathological Rating Scale) 117–18

criminal behaviour, neuroimaging investigation 261

Criminal Justice System

   characteristics of people with ID who offend 180–2

   culpability/criminal responsibility 187–8

   diversion out for people with ID 185

   fitness to plead/competence to stand trial 185–7

   improvements in practice for people with ID 188–9

   prevalence of people with ID 177–80

   types of crimes committed by people with ID 180–2

   vulnerabilities of people with ID 182–5

criminal offending in people with ID

   assessment and treatment 189–90

   assessment of risk of offending 189–90

   changing attitudes towards 173

   characteristics of people who offend 180–2

   cognitive therapy 334

   culpability/criminal responsibility 187–8

   diversion out of the CJS 185

   fitness to plead/competence to stand trial 185–7

   improvements in CJS practice 188–9

   past prejudices 173

   prevalence (people in the CJS) 177–80

   prevalence (total population studies) 173–7

   rates of mental health problems 182

   risk management 189–90

   types of crimes committed 180–2

   vulnerabilities in the CJS 182–5

CT (computerized tomography) scanning 252,256

Cushing’s disease, psychiatric symptoms caused by 82

DASH (Diagnostic Assessment for the Severely Handicapped Scale) 28–9

   concurrent validity 34–6

   criterion group validity 33,35

   internal consistency 30,31

   test–retest and inter-rater reliability 30–1

DBC (Developmental Behaviour Checklist), studies of children and adolescents with ID 95–6

DBC-A (Developmental Behaviour Checklist for Adults) 27,29

   concurrent validity 34–6

   criterion group validity 34,35

   internal consistency 30,31

   test–retest and inter-rater reliability 30–1

DBC-P (Developmental Behaviour Checklist) 25–6,27,29

DC-LD (Diagnostic Criteria for Psychiatric Disorders for Use with Adults with Learning Disabilities) 14–15,27,117–18

   applicability to children and adolescents 94–5

   classification of functional psychoses 132

delirium, causes which are often unrecognized 83

dementia 83

   baseline neuroimaging 260

   diagnosis in older people with ID 165–6

   in older people with ID 156–1

   link with Down syndrome 157–9

   prevalence in older people with ID 159–61

   risk factors in people with ID 157–60

   symptoms 160–1

Dementia Scale for Down syndrome 165

Dementia Scale for Persons with Mental Retardation 165

depression

   DSM-IV-TR criteria 113–14

   dysthymic disorders 113–14,115–16

   major depressive disorders 113–14,115–16

depression in people with ID

   aetiology 115–16

   amelioration of environmental stress factors 124

   assessment 117–18

   behavioural equivalents (atypical symptoms) 116–17

   behavioural interventions 124,298–9

   cognitive therapy 334

   diagnostic criteria 114–15

   diagnostic criteria developed for ID 117–18

   genetic and biological factors 115

   identification of physical problems 125

   in people with autism spectrum disorders 218–20,221

   incidence among children and adolescents with ID 93–6

   link with stressful life events and trauma 115–16

   pharmacotherapeutic regimes 123–4

   prevalence 113,114–15

   probable under-diagnosis 114–15

   risk factors 115–16

   staff training to improve treatment 124–5

   symptom presentation 116–17

   treatment methods 123–5

   see also affective (mood) disorders

destructive behaviour 62–3

   behavioural perspective 272–3

   biobehavioural assessment and treatment 275–7

   consequence analysis 273

   functional assessment 272–3

   functional assessment and treatment 275–7

   functional assessment methods 274–5

   genetic syndrome effects 271–2

   integrated approach to treatment 277–8

   inter-disciplinary treatment programme 275–7

   medication side effects 271

   neurological disorders 271–2

   psychiatric conditions 271–2

   quality-of-life analysis 274

   setting events 273

   treatment developments 269–70

   treatment programme design 275–7

   underlying medical conditions 270–1

   see also aggressive behaviour; behaviour problems; challenging behaviours

development of services for people with ID

   community-based care 356–7

   development of humane forms of care 353–4

   historical study of ID 353

   human rights and social inclusion 356–7

   impacts of eugenics movement 355–6

   mental illness and ID 358–60

   normalization movement 356–7

   reaction to institutional care 356–7

   rise of the total institution 354–6

   self-worth and social value 356–7

   specialist mental health services 358–60

dexamphetamine 102–3

dextromethorphan 322

diagnosis, and access to services and resources 8–9

     see also specific conditions

Diagnostic and Statistical Manual see DSM

diagnostic overshadowing 9–10,11,52,81–2,215–16

disruptive behaviour see aggressive behaviour; behaviour problems; challenging behaviours; destructive behaviour

dopamine antagonists 320–1

Down syndrome (trisomy 21)

   aetiology and specific drug treatments 313

   aetiology-based behavioural research 202–3

   aetiology-based therapeutic interventions 210

   age-related changes in the brain 258

   anxiety disorders link 119

   association with epilepsy 238–9

   baseline neuroimaging 260

   behaviours affected by aetiology 205

   CAMDEX-DS 165

   cardiac surgery 81–2

   dementia diagnosis 260

   dementia link 157–9,166

   Dementia Scale for Down syndrome 165

   depression 115

   in children and adolescents with ID 99–100

   increased life expectancy 154–5

   indirect behavioural effects 206

   influence of ‘background’ genetic factors 207

   neuroimaging studies 258

   possible premature ageing 157–9

   predispositions 77–8

   side effects of tricyclic antidepressants 316

   thyroid disease 82

   within-syndrome variability 203

DRAMS (Dynamic Risk Assessment and Management System) 190

drug interactions 314

DSM (Diagnostic and Statistical Manual), development of 3–4

DSM-IV criteria

   applicability to children and adolescents with ID 15–16,94

   applicability to people with ID 26–7

   assessment tools based on 26

   definition of mental disorders 9

   flexibility in classification system 14

DSM-IV-ID, modified criteria for people with ID 117–18

DSM-IV-TR criteria

   depressive disorders 113–14

   adjustment disorders 122

dysthymic disorders 113–14,115–16

     see also depression

epilepsy and ID

   aetiologies 239–40

   aggressive behaviour 244–5

   ‘aura’ 242

   behaviour disorders 244–5

   carer concerns 245–6

   cerebral dysgenesis 240

   cerebral dysplasias 240

   cognitive impairment 245

   concerns among adolescents 245–6

   diagnosis of epilepsy 240–1

   diagnostic investigations 241

   EEG investigations 241

   effects of vigabatrin treatment 313

   ictal and post-ictal behaviour 242

   in children and adolescents with ID 99–100

   inter-ictal psychopathology 242–3

   Lennox–Gastaut syndrome 239–40

   mental health problems 242–5

   neuroimaging investigations 241

   Neuronal Migration Disorders 240

   personality disorders 244

   prevalence among genetic syndromes 238–9

   prevalence among people with ID 238–9

   pro-convulsant effects of some psychotropic drugs 246–7

   prodromal phase behaviour 242

   psychopathology management 246–7

   psychoses 243

   quality-of-life effects 245–6

   social impacts 245–6

   West syndrome 239–40

Epiloia 247

escitalopram 314

eugenics movement 355–6

extinction of behaviours 290

family factors, impacts on children and adolescents with ID 100–1

fenfluramine 318–19

fetal alcohol syndrome, link with depressive disorders 115

fluoxetine 102–3,314,321

fluvoxamine 314,321

fMRI (functional magnetic resonance imaging) 255,256

fragile X syndrome 77–8

   aetiology-based behavioural research 202–3

   aetiology-based therapeutic approaches 210

   association with epilepsy 239

   association with self-injurious behaviour 228

   behavioural phenotypes 204–5,258

   cognitive phenotype 257–8

   genetic basis 257

   in children and adolescents with ID 99–100

   link with anxiety disorders 119

   link with depressive disorders 115

   neuroimaging studies 257

functional assessment, behaviour problems in people with ID 272–3

functional assessment and treatment, behaviour problems in people with ID 275–7

functional assessment methods, behaviour problems in people with ID 274–5

functional psychoses see psychoses, functional

gabapentin 322

Gedye compulsive behaviour checklist 121–2

genetic factors

   in depressive disorders 115

   predisposition for psychosis 132

genetic syndromes

   aetiology and specific drug treatments 312–13

   and behaviour problems in people with ID 271–2

   effects in children and adolescents 99–100

   link with anxiety disorders 119

genotype, influence on physical and psychiatric disorders 77–8

Glasgow Anxiety Scale for ID 121–2

Glasgow Depression Scale 117–18

glutamate receptor antagonists 322

haloperidol 102–3,317–18

HCR-20 (Historical Clinical Risk-20) 190

health status, mortality and morbidity associated with ID 79–80,81

HFA (high-functioning autism), pragmatic language impairment 217–18

history of treatment of people with ID

   community-based care 356–7

   development of humane forms of care 353–4

   historical study of ID 353

   human rights and social inclusion 356–7

   impacts of eugenics movement 355–6

   mental illness and ID 358–60

   normalization movement 356–7

   reaction to institutional care 356–7

   rise of the total institution 354–6

   self-worth and social value 356–7

   specialist mental health services 358–60

hypomanic states see affective (mood) disorders

ICD (International Classification of Disease) 3

ICD-10 criteria

   applicability to children and adolescents with ID 94

   applicability to people with ID 14–15,26–7

   assessment tools based on 26

   classification of functional psychoses 132

   definition of mental disorders 9

   modified criteria for people with ID 117–18

   schizophrenia related disorders 133–4

   The ICD-10 Guide for Mental Retardation 94

ID (intellectual disabilities)

   alternative diagnostic criteria for psychiatric disorders 14–17

   and self-injurious behaviour 225,227

   applicability of criteria for mental disorders 12–13

   benefits of complete health checks 83–4

   common medical and psychiatric conditions 82–3

   complexity of physical and mental health factors 78

   genetic influences on medical and psychiatric disorders 77–8

   in autism spectrum disorders 217–18

   lack of control over life circumstances 78

   mental health assessment and monitoring tools 24–7

   mortality and morbidity associated with 79–80,81

   poor health status associated with 79–80,81

   problems in application of mental disorder criteria 9–10,11

   problems in making psychiatric diagnoses 9–10,11

   psychiatric morbidity 80–1

   risks associated with lower socio-economic status 78

   under-diagnosis of medical and psychiatric disorders 81–2

   unrecognized medical and psychiatric conditions 82–3

ID (intellectual disabilities) diagnosis

   and access to services and resources 8–9

   changing criteria for 8–9

   concerns about negative labelling 11–12

   controversy over 11–12,13–14

   social justice issues 11–12

   variation of rates among groups 11–12

imipramine 102–3

impulse control disorders in ID, psychopharmacology 319–23

insomnia and ID, psychopharmacology 314–16,323

intellectual disabilities see ID

intellectual distortion 9–10,11,52

inter-disciplinary approach, importance of 42

inter-disciplinary assessment 46–8

inter-disciplinary multi-modal diagnostic formulation 57,58

inter-disciplinary treatment programme, for behaviour problems 275–7

International Classification of Disease see ICD

interpersonal skills training 293–4

K-SADS-P diagnostic interview 122

lamotrigine 322

learning disabilities, in autism spectrum disorders 217–18

   Lennox–Gastaut syndrome 239–40

   Lesch–Nyhan syndrome

   association with epilepsy 239

   association with self-injurious behaviour 228

   specificity of behavioural phenotypes 204–5

life expectancy, increase in people with ID 154–5

lithium 102–3,322–3

lorazepam 315–16

Lowe syndrome, association with epilepsy 239

major depressive disorders 113–14,115–16

     see also affective (mood) disorders; depression

manic states see affective (mood) disorders

MDD (Multiplex Developmental Disorder) 216–17

medical and psychiatric disorders

   barriers to recognition 81–2

   benefits of complete health checks 83–4

   bio-psycho-social-spiritual influences 77–9

   clinical presentation of conditions 83–4

   commonly encountered conditions 82–3

   conceptual framework for interactions 76–7

   frequently overlooked conditions 82–3

   history-taking and complete examination 83–4

   influence of genotype 77–8

   under-diagnosis in people with ID 81–2

medical conditions

   as cause of problem behaviours 270–1

   presentations in people with ID 270–1

   psychiatric symptoms caused by 82

medication side effects 82–3

   and behaviour problems in people with ID 271

   see also psychopharmacology in ID

melatonin 323

memantine 322

mental disorder diagnostic criteria 9

   alternative approaches 14–17

   applicability to people with ID 9–10,11,12–13

   behavioural equivalents 15–16

   DC-LD diagnostic criteria 14–15

   functional assessment and analysis 16–17

   individual recommendations for people with ID 14–15

   modified criteria 14

   problems with application to people with ID 16

   reliability and validity for people with ID 16

   shortcomings of structuralist approach 16–17

   treatment of symptoms 16

mental disorders, classification criteria 9

mental health assessment (multimodal) 47, 52–7

   alterations in behaviour 55–6

   alterations in mood 55

   alterations in thinking 53–5

   behavioural approach 56–7

   inter-disciplinary diagnostic formulation 57,58

   mental state examination 53–6

   non-verbal communication 56–7

   role of observation 56–7

mental health assessment and monitoring tools

   ABC 25–6,28

   based on DSM-IV 26

   based on ICD-10 26

   ‘bottom-up’ methodology 25–6

   carer-completed checklists and rating scales 36

   concurrent validity 34–6

   criterion group validity 31–4,35

   DASH 28–9

   DBC-A 27,29

   DBC-P 25–6,27,29

   for people with ID 24–7

   internal consistency 30,31

   key characteristics 27

   PAS-ADD 26,27,29

   PIMRA 27–8

   psychometric properties of tools 29–36

   RSMB 25,28

   SAS 25

   SCAN 29

   test–retest and inter-rater reliability 30–1

   ‘top-down’ methodology 26

   use of checklists and rating scales 36–7

   see also addtional information under tool names as main headings

mental health assessment process (in ID) 43–8

   brief assessment screen 45,46

   inter-disciplinary assessment 46–8

   the first contact 45

   venue 43

   who should be there 45

mental health problems, in epilepsy and ID 242–5

mental health services for people with ID

   barriers to comprehensive services 366

   characteristics of comprehensive services 365–9

   conceptualizing service models 365–6

   diagnostic overshadowing 364

   effects of move to community-based care 364–5

   inadequacies of service provision 364–5

   overcoming barriers (idealized model) 366–9

   prevalence of mental health disorders 364

   specialist mental health services 358–60

mental health services for people with ID (idealized model) 366–9

   access across service systems 367

   community-based with tertiary links 368

   comprehensive interdisciplinary services 367–8

   credibility 368

   direct funding 368

   establishment by consensus 366–7

   specialized personnel training 368–9

mental health services for people with ID (examples of service models) 369–81

   Australia 372–3

   Eastern Region Diversion and Support Program (US) 379–80

   Eastern Virginia Mental Retardation and Emotional Disturbance Project (US) 378

   ENCOR Program (US) 380

   European models 369–72

   Fairbanks, Alaska Program 380–1

   Finland 372

   Greater Boston START Model (US) 374–5

   Interface Model (US) 377–8

   Minnesota Model Crisis Intervention Program (US) 376–7

   Netherlands 372

   North America 374–81

   Queensland model (Australia) 372

   Rochester Crisis Intervention Model (US) 375–6

   Rock Creek Model (US) 378–9

   Southeast London Community Mental Health in Learning Disabilities Service Project 369–70

   Toronto MATCH Project 375

   UK 369–71

   Ulster County Comprehensive Mental Health Model (US) 377

   Victorian Dual Disability Service (Australia) 373

   Young Adult Institute HMO Model (US) 376

methylphenidate 102–3,318–19

Mini Mental State Examination 165

mood disorders see affective (mood) disorders; depression

MRI (magnetic resonance imaging) 253,256

   in clinical practice 259–61,262

MRS (magnetic resonance spectroscopy) 254–5,256

multiple sclerosis, psychiatric symptoms caused by 82

naloxone 102–3

naltrexone 102–3,321–2

NEO-PI (NEO personality inventory) 146–8

neuroimaging and ID

   autism 256–7

   baseline neuroimaging 260

   detection of structural brain abnormalities 259–61,262

   Down syndrome 258,260

   fragile X syndrome 257

   neurodevelopmental disorders 256–9

   normal brain development and ageing 255–6

   use in clinical practice 259–61,262

   use in investigation of behavioural problems 261

   use in psychiatric assessment 260–1

   velocardiofacial syndrome 258–9

neuroimaging techniques 252–5,256

   computerized tomography (CT) scanning 252,256

   functional magnetic resonance imaging (fMRI) 255,256

   magnetic resonance imaging (MRI) 253,256

   magnetic resonance spectroscopy (MRS) 254–5,256

   positron emission tomography (PET) 255,256

neurological disorders, and behaviour problems in people with ID 271–2

NLD (Non-verbal Learning Disability) 215–16,217–18

NMD (Neuronal Migration Disorders), in epilepsy and ID 240

NMDA receptor antagonists 322

normalization movement 356–7

obsessive-compulsive disorder (OCD)

   link with anxiety disorders 119

   symptom presentation in people with ID 121

   symptoms 220

   see also anxiety disorders

obsessive symptoms

   in Asperger’s syndrome 220

   in OCD 220

offending behaviour see criminal offending

olanzapine 317–18,320–1

older people with ID

   Alzheimer’s disease 156–9

   causes of death 155

   dementia 156–61

   dementia diagnosis 165–6

   Down syndrome and dementia 157–9

   growing number 154–5

   increased life expectancy 154–5

   levels of mental ill-health (other than dementia) 161–2

   mental ill-health assessment and diagnosis 163–6

   physical health profile 155

   psychopathology of mental ill-health 163

   risk factors for mental ill-health 162

   risk of acquiring dementia 166

   service provision challenges 156

operant model of aggression 297

opioid antagonists 321–2

over-correction technique (behavioural intervention) 292

pain, conditions which are often unrecognized 82–3

panic disorder see anxiety disorders

paroxetine 314,316–17,321

PAS-ADD (Psychiatric Assessment Schedule for Adults with Developmental Disabilities) 26,27,29,117–18

   concurrent validity 34–6

   criterion group validity 33–4,35

   internal consistency 30,31

   interview 122

   test–retest and inter-rater reliability 30–1

PCL-R (Psychopathy Checklist – Revised) 145,149–50

PDD-NOS (PDD-not otherwise specified), differentiation from ADHD 216–17

PDDs (pervasive developmental disorders) 115,216

     see also autism spectrum disorders

personality disorder (PD)

   and ID 145–6

   DC-LD criteria 143

   diagnosis in people with ID 148

   diagnosis reliability problems 143–4

   DSM-IV-TR and ICD-10 criteria 143–4

   in epilepsy and ID 244

   indications of treatment improvement 150

   minimum age for diagnosis 143

   NEO-PI (NEO personality inventory) 146–8

   overlap in traits between categories 143–4

   PCL-R (Psychopathy Checklist – Revised) 145,149–50

   personality research and ID 146–8

   possible effects on treatment outcome 144–5

   predictors of aggression and recidivism 145,149–50

   prevalence among people with ID 145–6

   recent studies of people with ID 149–50

   risk for sexual recidivism 149–50

   risk for violent behaviour 145,149–50

personality research

   and ID 146–8

   and personality disorder (PD) 146–8

pervasive developmental disorders see PDDs

PET (positron emission tomography) 255,256

pharmacotherapy see psychopharmacology

phenobarbital, behavioural ‘toxicity’ 313–14,322–3

phenylketonuria

   aetiology and specific drug treatments 312–13

   association with self-injurious behaviour 228

phobias

   behavioural interventions 295–6

   common forms in people with ID 121

   see also anxiety disorders

physical abuse

   link with anxiety disorders in people with ID 119–20

   link with PTSD in people with ID 119–20

   vulnerability of people with ID 119–20

physical disorders see medical and psychiatric conditions and medical conditions

PIMRA (Psychopathology Instrument for Mentally Retarded Adults) 27–8

   concurrent validity 34–6

   criterion group validity 31–2,35

   internal consistency 30,31

   test–retest and inter-rater reliability 30–1

PLI (pragmatic language impairment), in autism spectrum disorders 217–18

Positive Behaviour Support 275–77,283–4

post-traumatic stress disorder (PTSD) 83

   behavioural interventions 296–7

   link with physical and sexual abuse 119–20

   symptom presentation in people with ID 120

Prader–Willi syndrome 77–8

   aetiology and specific drug treatments 313

   aetiology-based behavioural research 202–3

   age-related behavioural effects 206–7

   association with ID and psychosis 137

   association with self-injurious behaviour 228

   behaviours affected by aetiology 205

   differentiation using maladaptive behaviours 207–8

   in children and adolescents with ID 99–100

   indirect behavioural effects 206

   influence of ‘background’ genetic factors 207

   link with anxiety disorders 119

   non-genetic variations 209

   paternal deletion form 208–9

   rates of maladaptive behaviours 207–8

   specificity of behavioural phenotypes 204–5

   uniparental maternal disomy (UPD) form 208–9

   use of SSRIs 321

   within-group genetic variations 208–9

preference assessment, in behavioural interventions 289

primary health physicians’ training

   Australia 407–8

   Austria 407–8

   Canada 407

   in ID and mental health problems 405–9

   UK 405–6

   USA 406–7

professional training

   for community care needs of people with ID 400

   for mental health problems in people with ID 400,401–9

   primary health physicians 405–9

   psychiatrists 401–4,408–9

   psychologists 404–5,408–9

propranolol 102–3,315

psychiatric and medical disorders

   barriers to recognition 81–2

   benefits of complete health checks 83–4

   bio-psycho-social-spiritual influences 77–9

   clinical presentation of conditions 83–4

   conceptual framework for interactions 76–7

   history-taking and complete examination 83–4

   influence of genotype 77–8

   under-diagnosis in people with ID 81–2

psychiatric disorders in people with ID 80–1

   and behaviour problems 271–2

   behavioural equivalents 64–5

   difficulties in assessment 64–5

   inconsistent terminology and classification 65

   influence on challenging behaviours 64

   lack of integrated approaches 66

   link with challenging behaviours 62–3

   prevalence among people with ID 63–4

   problems faced by researchers 64–6

   psychopharmacology 313–23

   research into challenging behaviours 66–9

psychiatric symptoms

   syndrome-specific associations 82

   underlying physical causes 82

psychiatrists’ professional training

   Australia 402–3

   Austria 403–4

   Canada 402

   in ID and mental health problems 401–4,408–9

   UK 401

   USA 401–2

psychodynamic therapies

   access barriers for people with ID 339,340–2

   assessment process 343–5

   definition and range of therapies 339–40

   Department of Health Guidelines 340–2

   practice-based evidence 346–7

   procedures and aims 339–40

   psychological impact of having ID 340

   service delivery 340–2

   staff consultation and work discussion groups 343

   systemic family therapy 342–3

   therapist training 339–40

   three stages of therapy 345

   transport and escort support for people with ID 343

   types of problems which can benefit 342

   types of therapy used with people with ID 342–3

psychologists’ professional training

   Australia 405

   Austria 405

   Canada 404–5

   in ID and mental health problems 404–5,408–9

   UK 404

   USA 404

psychometric properties of assessment and monitoring tools 29–36

psychopathy, PCL-R (Psychopathy Checklist – Revised) 145,149–50

     see also personality disorder

psychopharmacology in ID

   ADHD 318–19

   adrenergics 322–3

   aggressive behaviour 314–16,319–23

   anticonvulsants 315,322–3

   antidepressants 316–17

   antipsychotic drug tapering and discontinuation 318

   antipsychotics (neuroleptics) 316,317–18,320–1

   anxiety disorders 314–16

   behavioural ‘toxicity’ potential of drugs 313–14,322–3

   behavioural disorders 319–23

   behavioural vs. diagnostic basis for intervention 310–11

   benefits and limitations of medications 311

   benzodiazepines 315–16

   beta-adrenergic antagonists 315,322–3

psychopharmacology in ID (cont.)

   buspirone 314–15

   children and adolescents with ID 102–3

   complex effects of medications 311

   compulsive or repetitive behaviours 314–16

   concerns about medication use in ID 311

   dimensional and categorical approaches 310–11

   dopamine antagonists 320–1

   drug interactions 314

   glutamate receptor antagonists 322

   impulse control disorders 319–23

   influence of ID aetiology on treatment 312–13

   insomnia 314–16,323

   melatonin 323

   mood disorders 316–17

   NMDA receptor antagonists 322

   opioid antagonists 321–2

   phenobarbital behavioural ‘toxicity’ 313–14,322–3

   prevalence of psychotropic medication use 312

   psychiatric disorders 313–23

   psychosis 317–18

   self-injurious behaviour 314–16,319–23

   sleep disturbance 314–16,323

   SSRIs 314,316–17,321

   stimulant medications 318–19

   tardive dyskinesia risk 317,320–1

   tricyclic antidepressants 316

psychoses

   classification of functional psychoses 132

   cognitive therapy 334

   definition and characteristic features 131–2

   functional 131–2

   genetic predisposition 132

   organic 131–2

psychoses in people with ID

   behavioural interventions 299–300

   clinical features, assessment and diagnosis 134,135–7

   general principles of treatment 138

   in epilepsy and ID 243

   non-pharmacological treatments 138

   pharmacological treatments 138

   Prader–Willi syndrome 137

   psychopharmacology 317–18

   range of community and impatient services 138–9

   Usher’s syndrome 137

   velocardiofacial syndrome 137

   see also affective (mood) disorders; schizophrenia and related disorders 132

psychosocial factors, impacts on children and adolescents with ID 100–1

psychosocial interventions for people with ID

   cognitive models of distress 334–5

   cognitive therapy 332–4

   definitions and types of intervention 330–1

   effects of negative social construction 334–5

   effects of stigmatization 334–5

   social models of disability 334–5

   studies of people with ID 331–2

psychosocial masking 9–10,11,52

PTSD see post-traumatic stress disorder

punishment, in behavioural interventions 291

quality-of-life analysis, for behaviour problems 274

rating scales see mental health assessment and monitoring tools

referral of a person with ID 42–3

   prioritization criteria 44

   screening phase 43,44

reinforcement of behaviour 289

relaxation training for people with ID 294–5

repetitive behaviours and ID, psychopharmacology 314–16

response cost (behavioural intervention) 291–2

Rett syndrome

   association with epilepsy 239

   association with self-injurious behaviour 228

   specificity of behavioural phenotypes 204–5

Reynolds Depressive Symptoms Questionnaire 117–18

risk assessment, people with ID at risk of offending

risperidone 102–3,317–18,320–1

RRASOR (Rapid Risk Assessment of Sexual Offence Recidivism) 190

RSMB (Reiss Screen for Maladaptive Behaviour) 25,28

   concurrent validity 34–6

   criterion group validity 32–3,35

   internal consistency 30,31

   test-retest and inter-rater reliability 30–1

Rubenstein–Taybi syndrome

   aetiology-based behavioural research 202–3

   association with epilepsy 239

   link with anxiety disorders 119

SAS (Zung Self-rating Anxiety Scale) 25,121

SCAN (Schedules for Clinical Assessment in Neuropsychiatry) 29

schizophrenia and related disorders 132

   and intellectual functioning 134–5

   association with ID 134–5

   characteristics 133–4

   clinical features, assessment and diagnosis 134,135–7

   effects of medications 135

   general principles of treatment 138

   ICD-10 criteria 133–4

   neurodevelopmental origins 134–5

   non-pharmacological treatments 138

   pharmacological treatments 138

   range of community and inpatient services 138–9

   rates among people with ID 133–4

   relationship to autism 220–1

   risk factors 134–5

seizure disorders, psychiatric symptoms caused by 82

selective serotonin reuptake inhibitors see SSRIs

self-injurious behaviour in people with ID 62–3,64,66,225,227

   and the institutional environment 227–8

   assessment and therapy 230–2

   association with genetically transmitted conditions 228

   attempts to link to medical diagnoses 228

   behavioural interventions 297

   behavioural theories of causation 228–9

   consequences of 226–7

   DC-LD diagnostic criteria 225–6

   definitions 225–6

   effects on quality of life 226–7

   epidemiology 226

   importance of early intervention 232

   neurochemical theories of causation 228–30

   prevalence in people with ID 228

   psychopharmacology 314–16,319–23

   related issues 227–8

   relationship with age 227

   relationship with gender 227

   relationship with IQ 227

   theories on causation 228–30

self-management, in behavioural interventions 290–1

SEN (special educational needs) labelling of children 12

sertraline 314,321

service development see development of services for people with ID

setting events, behaviour problems in people with ID 273

sex offenders with ID

   neuroimaging investigation 261

   use of cognitive therapy 334

sexual abuse

   link with anxiety disorders in people with ID 119–20

   link with PTSD in people with ID 119–20

   vulnerability of people with ID 119–20

sleep disorders and ID, psychopharmacology 314–16,323

Smith–Magenis syndrome

   aetiology-based behavioural research 202–3

   association with self-injurious behaviour 228

   specificity of behavioural phenotypes 204–5

social justice issues in diagnostic labelling 11–12

social models of disability 334–5

   effects of negative social construction 334–5

   effects of stigmatization 334–5

social phobias see anxiety disorders

social skills training 293–4

SONAR 190

SORAG (Sex Offender Risk Appraisal Guide) 190

specific phobias, behavioural interventions 295–6

SSRIs (selective serotonin reuptake inhibitors) 102–3,314,316–17,321

staff supporting people with ID

   characteristics of the workforce 388–9

   effects of staff well-being on service users 391–4

   interactions between staff and service users 391–4

   interventions to improve staff well-being 394

   job satisfaction 390,391

   lack of mental health training 388,391

   organizational challenges 389–91,394

   pay and working conditions 388–9

   qualifications and experience 388–9

   responses to people with ID and mental health problems 391–4

   size of workforce 388

   staff distress/burnout 389–90,391

   staff turnover 388–9,390–1

   staff well-being and staff behaviour 391–4

   staff well-being studies 389

   training in behavioural approach 300

   work-related distress/burnout levels 389

Static-99 190

stigmatization, effects of 334–5

stimulant medication 102–3

   for ADHD 318–19

Sturge–Weber syndrome

   association with epilepsy 239

   cerebral dysplasias 240

sulpiride 320–1

SVR-20 (Sexual Violence Risk-20) 190

tardive dyskinesia, risk from antipsychotic medications 317,320–1

thioridazine 312,317–18,320–1

tics (vocal and motor), in autism spectrum disorders 220

time-out (behavioural intervention) 292

token economy (behavioural intervention) 289–90

topiramate 313–14

Tourette syndrome

   children and adolescents with ID 99–100

   co-morbidity with autism spectrum disorders 220

trazodone 321

treatment methods see specific conditions

tricyclic antidepressants 102–3,316

trisomy 21 see Down syndrome

Tuberous sclerosis

   association with epilepsy 239

   cerebral dysplasias 240

   vigabatrin treatment for epilepsy 313

Unverricht–Lundborg disease 238–9

Usher’s syndrome 137

valproic acid 315

velocardiofacial (VCF) syndrome

   aetiology-based behavioural research 202–3

   association with ID and psychosis 137

   genetic basis 258–9

   neuroimaging studies 258–9

   specificity of behavioural phenotypes 204–5

video feedback, in behavioural interventions 290–1

vigabatrin 313

violent behaviour 261

     see also aggressive behaviour; behaviour problems; challenging behaviours; destructive behaviour

VRAG (Violence Risk Appraisal Guide) 190

West syndrome, and ID 239–40

Williams syndrome

   aetiology-based behavioural research 202–3

   aetiology-based therapeutic approaches 210

   in children and adolescents with ID 99–100

   influence of ‘background’ genetic factors 207

   link with anxiety disorders 119

   link with depressive disorders 115

   specificity of behavioural phenotypes 204–5




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