Dementia (Alzheimer's disease, multi-infarct dementia, Pick's disease, Creutzfeldt-Jakob disease, Huntington's disease, Parkinson's disease, AIDS dementia complex, Frontotemporal dementia) · Delirium · Post-concussion syndrome

alcohol (drunkenness, alcohol dependence, delirium tremens, Korsakoff's syndrome, alcohol abuse) · opiods (opioid dependency) · sedative/hypnotic (benzodiazepine withdrawal) · cocaine (cocaine dependence) · general (Intoxication, Drug abuse, Physical dependence, Withdrawal)

Schizophrenia (disorganized schizophrenia) · Schizotypal personality disorder · Delusional disorder · Folie à deux · Schizoaffective disorder

Mania · Bipolar disorder · Clinical depression · Cyclothymia · Dysthymia

Anxiety disorder (Agoraphobia, Panic disorder, Panic attack, Generalized anxiety disorder, Social anxiety) · OCD · Acute stress reaction · PTSD · Adjustment disorder · Conversion disorder (Ganser syndrome) · Somatoform disorder (Somatization disorder, Body dysmorphic disorder, Hypochondriasis, Nosophobia, Da Costa's syndrome, Psychalgia)  · Neurasthenia

Eating disorder (anorexia nervosa, bulimia nervosa) · Sleep disorder (dyssomnia, insomnia, hypersomnia, parasomnia, night terror, nightmare) · </br>Sexual dysfunction (erectile dysfunction, premature ejaculation, vaginismus, dyspareunia, hypersexuality) · Postnatal depression

Personality disorder · Passive-aggressive behavior · Kleptomania · Trichotillomania · Voyeurism · Factitious disorder · Munchausen syndrome · Ego-dystonic sexual orientation

Mental retardation

Specific: speech and language (expressive language disorder, aphasia, expressive aphasia, receptive aphasia, Landau-Kleffner syndrome, lisp) · Scholastic skills (dyslexia, dysgraphia, Gerstmann syndrome) · Motor function (developmental dyspraxia)
Pervasive: Autism · Rett syndrome · Asperger syndrome

ADHD · Conduct disorder · Oppositional defiant disorder · Separation anxiety disorder · Selective mutism · Reactive attachment disorder · Tic disorder · Tourette syndrome · Speech (stuttering · cluttering)