HYPOMANIC PERSONALITY

A personality pattern disturbance characterized by a mild degree of exhilaration and overactivity Hypomanics are enthusiastic, gregarious, lively individuals constantly overflowing with ideas, emotions,...

HYSTERICAL PERSONALITY

A personality trait disturbance characterized by immature, self-centered behavior with frequent emotional outbursts and histrionic display.Most hysterical personalities are women. Studies indicate that they...

HUNGER DRIVE

Hunger has been studied more intensively than any otherdrive, yet its exact mechanism is still in doubt. Newer investigations, however, have added to our...

HUNTINGTON’S CHOREA

A rare degenerative disease of the central nervous system, characterized by choreiform movements and mental deterioration.Huntington’s chorea was named after the American neurologist, George...

HYDROCEPHALY

An enlargement of the head resultingfrom excessive accumulation of cerebrospinal fluid within the ventricles (open spaces) of the brain (internal hydrocephaly) or, less often,...

HYDROTHERAPY

The use of water in the treatment of diseaseHydrotherapy of one kind or another is as old as the history of medicine, dating back...

HYPERMNESIA

Extreme retentiveness of memory, excessive memory activity, or unusual clarity of memory images.Hypermnesia occasionally occurs in normal individuals who are undergoing great stress pr...

HYPERVENTILATION SYNDROME

A psychophysiologic (psychosomatic) disorder of the respiratory system characterized by repeated anxiety attacks accompanied by “overbreathing”—that is, the patient breathes rapidly and deeply even...

HYPNAGOGIC STATE

The drowsy, trancelike state between sleeping and waking.During the hypnagogic period some people experience transient, dreamlike fantasies which have been termed hypnagogic hallucinations. Suggestibility...

HOARDING

The drive to save appears to be a dominating characteristic in certain individuals. Such people derive basic satisfaction simply from accumulating money or objects...

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