Studies by Weinberger and Others of Brain Abnormality in Schizophrenic

question 67

Multiple Choice

Studies by Weinberger and others of brain abnormality in schizophrenic patients report

• A) decreased number of gyri and sulci in control patients.
• B) increased number of cells within the corpus callosum in schizophrenic patients.
• C) larger lateral ventricles in schizophrenic patients.
• D) flattening of the cortex in schizophrenic patients.
• E) schizophrenic patients show more problems with eye tracking than do controls.

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Definitions:

Extinction

In psychology, extinction is the process by which a conditioned response decreases or disappears after repeated presentations without the unconditioned stimulus.

Positive Reinforcer

A stimulus that increases the probability of a behavior being repeated by providing a rewarding outcome.

Punishment

A consequence that follows an undesirable behavior, with the intent of reducing or eliminating that behavior.

Reinforcers

Stimuli, events, or conditions that increase the likelihood of a behavior being repeated.