A Temporary Disruption of Neural Activity Within a Region of Brain

question 86

Multiple Choice

A temporary disruption of neural activity within a region of brain can be produced by

• A) using a knife to cut brain tissue.
• B) using an injection of muscimol into the brain region.
• C) local heating of the brain using radiofrequency waves.
• D) injection of kainic acid.
• E) stimulation of bregma.

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Definitions:

Repression

A defense mechanism in psychoanalytic theory where distressing thoughts and memories are unconsciously pushed out of conscious awareness.

Displacement

A defense mechanism where the mind substitutes either a new aim or a new object for goals felt in their original form to be dangerous or unacceptable.

Regression

A defense mechanism where an individual reverts to an earlier stage of development in the face of unacceptable thoughts or impulses.

Factor Analysis

A statistical method used to describe variability among observed, correlated variables in terms of potentially lower number of unobserved variables called factors.