SHERRINGTON, CHARLES SCOTT(1857-1952)

Sherrington, to whom we owe much of our knowledge of nerve activity, obtained his medical degree in 1885, then devoted himself to physiological research...

SUBJECTIVE TONES

Auditory sensations or hallucinations in which certain notes or melodies are heard in the absence of external stimulation.A common type of subjective tone is...

SCOTOMA (literally, “dimness of vision”)

In psychiatry, a scotoma is, figuratively, a “mental blind spot.” This usage derives from the medical term for a blind or partially blind area...

SCREEN MEMORY (Cover Memory)

A consciously acceptable memory unwittingly used to cover or screen out an associated experience which would be painful or unacceptable if called to mind.The...

SEGUIN, EDOUARD (1812-1880)

A psychologist as well as physician, Seguin was a pupil of the Parisian doctor Jean Itard, who became famous for his work on mental...

SELF-CONCEPT TESTS

Personality tests designed to determine how the individual views himself—that is, the pattern of attitudes he entertains or assumes concerning his values, goals, abilities,...

SENILE PSYCHOSIS (Senile Brain Disease, Senile Dementia)

A state of mental, emotional, and social deterioration resulting primarily from degeneration of the brain in old age; classified by the American Psychiatric Association...

SENILE PSYCHOSIS (DELIRIOUS AND CONFUSED TYPE)

This syndrome occurs in either acute or chronic form and comprises about 10 per cent of senile psychoses.The acute and usually transient form may...

SENILE PSYCHOSIS (DEPRESSED AND AGITATED TYPES)

In these cases, which represent less than 10 per cent of senile psychotic reactions, the patient becomes not only intellectually impoverished, but is subject...

SENILE PSYCHOSIS (PARANOID TYPE)

This is the most clearly defined type of senile psychosis, characterized by the gradual appearance of delusions with hallucinations, but not accompanied by impairment...

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