Sometimes a person's corpus callosum is split, which separates the two hemispheres completely. This is done to
A) study the effects of a split brain.
B) change a person's personality.
C) determine the precise area of cognitive functioning.
D) control epilepsy.
Answer: D
Rationale: Staring in the 1960s, split-brain surgeries began to be used to treat extremely severe cases of epilepsy. It is a very rare operation, and it would be unthinkable to use it as an experimental procedure, despite the wealth of information researchers have attained by studying split-brain patients.
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What is an evolutionary solution to getting large-brained human fetuses out of the womb?
The fetus can push itself out. The fetus' skull is not yet fused, and the pieces can move around during the birth process. The fetus has a very small head. The vaginal opening is always much larger than the fetus' head.
As psychology progressed and moved from structuralism to behaviorism to cognitive psychology, the focus of study _______.
a. shifted from mental processes to behaviors and then back to mental processes b. remained on behaviors as psychology progressed c. remained on internal processes as psychology progressed d. shifted from behavior to mental processes and then back to behavior
Agoraphobia generally begins in ______
a. early childhood c. early adolescence b. late childhood d. late adolescence
What is a common reason for the hospitalization of people with borderline personality disorder?
A) They may attempt suicide or otherwise hurt themselves. B) They finally cannot care for themselves. C) They voluntarily ask for hospitalization, out of desperation. D) They are so afraid of leaving their homes that they suffer social paralysis.