Adjustment Disorders   7 studies
Affective Disorders, Psychotic   519 studies
Affective Symptoms   4 studies
Aggression   228 studies
Agoraphobia   13 studies
AIDS Dementia Complex   20 studies
Alcohol Drinking   129 studies
Alcohol Withdrawal Delirium   1 study
Alcohol-Related Disorders   361 studies
Alcoholic Intoxication   11 studies
Alcoholism   324 studies
Alzheimer Disease   617 studies
Amnesia   46 studies
Amphetamine-Related Disorders   26 studies
Anorexia Nervosa   57 studies
Antisocial Personality Disorder   6 studies
Anxiety Disorders   810 studies
Anxiety, Separation   14 studies
Aphasia, Primary Progressive   34 studies
Asperger Syndrome   25 studies
Attention Deficit and Disruptive Behavior Disorders   387 studies
Attention Deficit Disorder with Hyperactivity   369 studies
Auditory Perceptual Disorders   5 studies
Autistic Disorder   171 studies
Behavior, Addictive   171 studies
Behavioral Symptoms   1762 studies
Bipolar Disorder   547 studies
Borderline Personality Disorder   37 studies
Bulimia Nervosa   60 studies
Cataplexy   9 studies
Catatonia   2 studies
Child Behavior Disorders   4 studies
Child Development Disorders, Pervasive   173 studies
Cocaine-Related Disorders   249 studies
Cognition Disorders   1019 studies
Combat Disorders   15 studies
Communication Disorders   109 studies
Compulsive Behavior   47 studies
Conduct Disorder   25 studies
Consciousness Disorders   45 studies
Conversion Disorder   7 studies
Creutzfeldt-Jakob Syndrome   2 studies
Delirium   1021 studies
Delirium, Dementia, Amnestic, Cognitive Disorders   1012 studies
Delusions   19 studies
Dementia   1046 studies
Dementia, Vascular   31 studies
Depersonalization   2 studies
Depression   1785 studies
Depression, Postpartum   45 studies
Depressive Disorder   1768 studies
Depressive Disorder, Major   724 studies
Developmental Disabilities   194 studies
Disorders of Excessive Somnolence   27 studies
Dissociative Disorders   12 studies
Drinking Behavior   77 studies
Dyslexia   17 studies
Dyslexia, Acquired   2 studies
Dyspareunia   13 studies
Dyssomnias   796 studies
Dysthymic Disorder   33 studies
Eating Disorders   140 studies
Encopresis   2 studies
Enuresis   9 studies
Erectile Dysfunction   181 studies
Feeding and Eating Disorders of Childhood   4 studies
Female Athlete Triad Syndrome   1 study
Firesetting Behavior   1 study
Food Habits   7 studies
Gambling   31 studies
Heroin Dependence   54 studies
Huntington Disease   52 studies
Hypochondriasis   13 studies
Hysteria   7 studies
Impulse Control Disorders   52 studies
Impulsive Behavior   43 studies
Jet Lag Syndrome   5 studies
Learning Disorders   23 studies
Lewy Body Disease   16 studies
Marijuana Abuse   128 studies
Marijuana Smoking   13 studies
Mental Disorders   7379 studies
Mental Disorders Diagnosed in Childhood   674 studies
Mental Fatigue   3 studies
Mental Retardation   151 studies
Mood Disorders   1995 studies
Morphine Dependence   2 studies
Motor Skills Disorders   1 study
Mutism   4 studies
Narcolepsy   20 studies
Neonatal Abstinence Syndrome   7 studies
Neurocirculatory Asthenia   21 studies
Neurotic Disorders   8 studies
Nocturnal Enuresis   9 studies
Obsessive Behavior   1 study
Obsessive-Compulsive Disorder   107 studies
Opioid-Related Disorders   241 studies
Panic Disorder   85 studies
Paranoid Disorders   5 studies
Paraphilias   3 studies
Passive-Aggressive Personality Disorder   1 study
Pedophilia   2 studies
Personality Disorders   67 studies
Phobic Disorders   88 studies
Pick Disease of the Brain   34 studies
Psychoses, Substance-Induced   2 studies
Psychotic Disorders   1594 studies
Quality of Life   1167 studies
Reactive Attachment Disorder   1 study
REM Sleep Behavior Disorder   2 studies
Restless Legs Syndrome   78 studies
Rett Syndrome   13 studies
Schizophrenia   1164 studies
Schizophrenia and Disorders with Psychotic Features   1139 studies
Schizophrenia, Catatonic   1 study
Schizophrenia, Childhood   2 studies
Schizophrenia, Disorganized   1 study
Schizophrenia, Paranoid   13 studies
Schizotypal Personality Disorder   7 studies
Seasonal Affective Disorder   13 studies
Self Mutilation   3 studies
Self-Injurious Behavior   51 studies
Sexual Dysfunctions, Psychological   236 studies
Shared Paranoid Disorder   2 studies
Sleep Bruxism   2 studies
Sleep Deprivation   35 studies
Sleep Disorders   870 studies
Sleep Disorders, Circadian Rhythm   23 studies
Sleep Disorders, Intrinsic   681 studies
Sleep Initiation and Maintenance Disorders   227 studies
Sleep-Wake Transition Disorders   1 study
Smoking   664 studies
Somatoform Disorders   63 studies
Stress Disorders, Post-Traumatic   338 studies
Stress Disorders, Traumatic   342 studies
Stress Disorders, Traumatic, Acute   7 studies
Stress, Psychological   95 studies
Substance Abuse, Intravenous   11 studies
Substance Withdrawal Syndrome   27 studies
Substance-Related Disorders   1342 studies
Suicide   61 studies
Suicide, Assisted   1 study
Suicide, Attempted   22 studies
Tic Disorders   56 studies
Tobacco Use Disorder   222 studies
Tourette Syndrome   51 studies
Transsexualism   3 studies
Trichotillomania   13 studies
Vaginismus   2 studies