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SPINAL NERVES

The thirty-one pairs of nerves of the somatic nervous system, which enter and leave the spinal cord between the spinal

STARTLE REACTION (Startle Pattern)

An extremely rapid response to a sudden, unexpected stimulus, such as a pistol shot or a face looming up in

SCHIZOPHRENIA (OTHER TYPES)

Many cases of schizophrenia cannot be classified into the four primary types (simple, paranoid, catatonic, hebephrenic) because the symptom picture

SEPTAL AREA (Septal Region, Septum)

A region of the brain lying beneath the forward end of the corpus callosum, the connection between the two hemispheres.

SCHIZOPHRENIA (PARANOID TYPE)

The major symptoms of this reaction type are poorly organized, internally illogical, changeable delusions, often accompanied by vivid hallucinations.Delusions of

SET

Readiness to make a particular response to a stimulus situation; there are motor sets, perceptual sets, and mental sets. The

SCHIZOPHRENIC REACTIONS (THERAPY)

The treatment of schizophrenic reactions has undergone a drastic change in the past fifteen years. Insulin coma therapy, widely accepted

SEXUAL DEVIATIONS (GENERAL)

There is considerable confusion about the definition of sexual deviation. One approach puts the primary emphasis on social disapproval, and

SCHOLASTIC APTITUDE TESTS

Tests designed to appraise the abilities required for academic work, particularly in liberal arts colleges, teachers’ colleges, and engineering schools.Before

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

SCREEN MEMORY (Cover Memory)

A consciously acceptable memory unwittingly used to cover or screen out an associated experience which would be painful or unacceptable

SEGUIN, EDOUARD (1812-1880)

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

SELF-CONCEPT TESTS

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

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

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

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

SENILE PSYCHOSIS (PARANOID TYPE)

This is the most clearly defined type of senile psychosis, characterized by the gradual appearance of delusions with hallucinations, but

SENILE PSYCHOSIS (PRESBYOPHRENIC TYPE)

A senile reaction occurring primarily in women, and characterized by memory impairment, a jovial mood, and confabulation.Presbyophrenic patients are active,

SENILE PSYCHOSIS (SIMPLE DETERIORATION TYPE)

This is the most common form of senile psychosis, comprising about 50 per cent of the entire group. The symptoms

SENSITIVITY DISTURBANCES

A term used in this book to designate various conditions of reduced, exaggerated, or distorted sensitivity, either organic or functional