HOMOSEXUALITY (Female)
Homosexuality is considerably less prevalent among women than among men. In the Kinsey studies (1948, 1953), 28 per cent of…
HYPNAGOGIC STATE
The drowsy, trancelike state between sleeping and waking.During the hypnagogic period some people experience transient, dreamlike fantasies which have been…
HYDROCEPHALY
An enlargement of the head resultingfrom excessive accumulation of cerebrospinal fluid within the ventricles (open spaces) of the brain (internal…
HYPERVENTILATION SYNDROME
A psychophysiologic (psychosomatic) disorder of the respiratory system characterized by repeated anxiety attacks accompanied by “overbreathing”—that is, the patient breathes…
HOMEOSTASIS
The process of maintaining constancy or equilibrium in the physiological activities of the organism. The normal functioning of all parts…
HOMOSEXUALITY (Male)
Male homosexuality, like female homosexuality, takes a number of forms: the latent type, in which there is an attraction to…
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…
HYPOCHONDRIASIS
Persistent, excessive concern with one’s state of healthaccompanied by various bodily complaints even though no organic pathology can be found.The…
HUNGER DRIVE
Hunger has been studied more intensively than any otherdrive, yet its exact mechanism is still in doubt. Newer investigations, however,…
HYPOCALCEMIA
An endocrine disorder most commonly caused by removal or damage to the parathyroid glands during thyroidectomy. Damage to these glands…
HUMORAL THEORY
The theory that ascribes personality characteristics to the effects of bodily fluids, or “humors.”The humoral theory is the oldest known…
HOMOSEXUALITY (ETIOLOGY AND THERAPY)
Erotic relationships between members of the same sex, ranging from sexual fantasies through kissing and mutual masturbation to oral or…
HORNEY, KAREN (1885-1952)
as a Freudian analyst. She came to this country in the early 1930s, and soon after founded an association and…
HYDROTHERAPY
The use of water in the treatment of diseaseHydrotherapy of one kind or another is as old as the history…
HYPERMNESIA
Extreme retentiveness of memory, excessive memory activity, or unusual clarity of memory images.Hypermnesia occasionally occurs in normal individuals who are…
HYPOGLYCEMIC STATES
Acute but transitory mental symptoms occasionally associated with a deficiency of blood sugar There is no single psychological pattern, but…
HYPOGLYCEMIA, IDIOPATHIC
Aform of hypoglycemia, or low blood- sugar level, that occasionally runs in families.Children who are afflicted with this disorder not…
HELMHOLTZ, HERMANN LUDWIG FERDINAND VON (1821-94)
This remarkably versatile scientist, who made many pioneering contributions to physiological psychology, was bom in Potsdam, Germany, and was educated…