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Diseases » Behavioral disorders » Glossary

Glossary for Behavioral disorders

  • Addiction: Any of various addictions to substances or activities.
  • Adenylosuccinate lyase deficiency: A rare inherited disorder characterized by a deficiency of the enzyme called adenlyosuccinate lyase which generally results in psychomotor retardation and autistic behavior.
  • Agoraphobia: Fear of unfamiliar surroundings
  • Alcohol abuse: Excessive use of alcohol ranging from binge drinking to severe alcoholism
  • Alcoholism: Alcoholism is the compulsive urge to drink alcohol despite knowing the negative impact on one's health.
  • Alzheimer's Disease: Dementia-causing brain disease mostly in seniors and the elderly.
  • Anorexia Nervosa: A disorder where a distorted sense of body image leads to self-starvation to the point of death in some cases.
  • Anxiety: A feeling of apprehension, and fear without apparent stimulus that is associated sometime with somatic responses
  • Asperger syndrome: A neuropsychiatric disorder mainly involving the inability to understand and becoming involved in social interaction.
  • Attention Deficit Hyperactivity Disorder: Behavioral disorder with hyperactivity and/or inattention.
  • Autism: Childhood mental condition with social and communication difficulties.
  • Behavioral symptoms: Symptoms of personal behavior.
  • Behavioural disorders: Disorders that affect a persons behaviour
  • Binge eating disorder: Excessive overeating but without purging
  • Bipolar disorder: Cycles of mania and depression; commonly called "manic-depression".
  • Bulimia nervosa: Eating disorder with binging (overeating) and purging (vomiting).
  • Child health conditions: Any medical conditions typically afflicting children.
  • Chromosome 17 ring: A rare chromosomal disorder where genetic material from one or both ends of chromosome 17 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic material missing.
  • Chromosome 2, monosomy 2q37: A very rare chromosomal disorder where a part of the long arm of chromosome 2 is missing which results in various birth defects and abnormalities. The features of the disorder are determined by the exact size and location of the deletion.
  • Conduct Disorder: Behavioral disorder with antisocial behaviors
  • Depression: Various syndromes with excessive anxiety, phobias, or fear.
  • Depressive disorders: Depression or its various related conditions.
  • Drug abuse: Addiction to any of various illicit drugs.
  • Dysthymia: Mild form of depression
  • Eating disorders: Various mental disorders impairing normal eating or appetite.
  • Emotional disorders: A disorder of emotions
  • Encephalitis lethargica: A rare brain disease characterized by fever, headache, lethargy and reduced physical and mental responses. The disease occurred as an epidemic in the 1920's but now occurs sporadically - the exact cause is still not known.
  • Gambling addiction: Addiction to gambling activities.
  • Generalized anxiety disorder: Excessive anxiety and worrying.
  • Heckenlively syndrome: A rare syndrome characterized by eye anomalies, behavioral problems and abnormal amino acid metabolism.
  • Hyperactivity conditions: Medical conditions causing or characterized by hyperactivity.
  • Hypothalamic hamartomas: A benign congenital tumor that develops on or near the hypothalamus.
  • MPS 3 C: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) due to deficiency of an enzyme called acetyl-CoA:alpha-glucosamide N-acetyltransferase. Mucopolysaccharide levels build up and are then deposited in various tissues.
  • MPS 3 D: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) due to deficiency of an enzyme called N-acetylglucosamine-6-sulfate sulfatase. Mucopolysaccharide levels build up and are then deposited in various tissues.
  • Mental health conditions: Medical conditions related to mental health, emotions, behavior, personality, psychology, psychiatry, and so on.
  • Mental illness: Any psychological syndrome
  • Mood disorders: Disorders that affect a persons mood
  • Obsessive-compulsive disorder: Behavioral disorder with obsessive thoughts and compulsive acts.
  • Panic: Symptoms of intense fear and terror (often with the desire to flee)
  • Panic disorder: It is a severe medical condition characterized by extremely elevated mood.
  • Post-traumatic stress disorder: Stress following a traumatic event.
  • Psychiatric disorders: Any condition that affects ones mind
  • Psychological disorders: Any condition that affects ones mind
  • Rett's syndrome: Autism-like behavioral syndrome in infant girls
  • Social phobia: Excessive anxiety in social situations.
  • Social problems: Difficulty relating to other people
  • Specific phobias: Irrational fears of specific situations, actions or items.
  • Tourette Syndrome: A neurological disorder involving vocal and movement tics where where uncontrollable movements or verbal utterances are made.
  • Tuberous sclerosis, type 1: A rare genetic disorder with a variety of abnormalities such as seizures, mental retardation, skin lesions and nodules in various body tissues and organs.


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