SYNESTHESIA (literally, “feeling to- gether”)

An experience in which two senses respond when only one is stimulated; also called crossed perception.About 5 to 10 per cent of the general...

SZONDI TEST

A projective test in which the subject examines a set of photographs of people with different types of mental disorder and chooses those he...

SOMATOPSYCHIC DISORDERS

A term applied by some psychiatrists to psychological disturbances resulting from bodily disorders.An example is the post-encephalitic syndrome, in which a reaction pattern consisting...

SOMNAMBULISM

A dissociative reaction in which repressed impulses, anxieties or conflicts are acted out during sleep.Somnambulism is more than merely walking in one’s sleep, since...

SPECIFIC ENERGIES

The view that the various kinds of sensory experience, such as touch, taste, and sight, are dependent on the specific nature of the nerve...

SPEECH DISORDERS

Marked deviations in the manner or content of speech. These deviations include speech that is not readily intelligible or audible; definitely unpleasant because of...

SPINAL NERVES

The thirty-one pairs of nerves of the somatic nervous system, which enter and leave the spinal cord between the spinal vertebrae. They are classified...

STARTLE REACTION (Startle Pattern)

An extremely rapid response to a sudden, unexpected stimulus, such as a pistol shot or a face looming up in the darkness.Analysis of the...

STIMULUS (literally “goad”)

In general terms, any event that initiates behavior; or more specifically, any energy change that activates a sense organ.The idea of energy change needs...

STIMULUS-STIMULUS ASSOCIATION (S-S Association, Sensory-Sensory Association)

A learned association between two stimuli.S-S associations are commonly formed when we learn to use one stimulus as a cue to another. For example,...

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