AP PSYCH: Heritability

Why is it incorrect to say that 50 percent heritability of intelligence means that the cause of your intelligence is 50 percent genetic and 50 percent environmental?

• because heritability increases as environments change

• because genes are the basis for our behavior, environment has no impact

• because nurture controls intelligence levels, not nature

• because heritability accounts for variations among people, not in specific individuals

Studies of identical twins who had been reared apart most clearly highlight the importance of ________ in personality development.

• mutation

• genetic predispositions

• natural selection

• home environments

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Damage to the left cerebral hemisphere is most likely to reduce people's ability to

• speak fluently

• copy drawings

• recognize faces

• recognize songs

Young Keith was in a very bad accident, where specific parts of his brain were damaged. His neurologists noted that over the course of the next several months, other parts of his brain began to compensate for these deficits, and he was not as impaired as they had expected. Keith’s case demonstrates the concept of _______________.

• neuroadaptivity
• neuroplasticity
• neurogenesis
• pruning

Heritability refers to the extent to which

• trait differences among individuals are attributable to genetic variations.
• unrelated individuals share common genes.
• nurture controls a trait rather than nature.
• adult personality is determined by infant personality.

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The biochemical units of heredity that make up the chromosomes are called

• genes.
• genomes.
• epigenetics.
• heredity.

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A condition resulting from surgery that isolates the brain's two hemispheres by cutting the fibers (mainly those of the corpus callosum) connecting them.

• hemispherectomy

• lobotomy

• lesion

• split brain

A condition in which a person can respond to a visual stimulus without consciously experiencing it.

• serial processing

• blindsight

• parallel processing

• artificial intelligence

The principle that information is often simultaneously processed on separate conscious & unconscious tracks.

• serial processing

• blindsight

• dual processing

• subliminal processing

Processing many aspects of a problem simultaneously; generally used to process well-learned information or to solve easy problems.

• serial processing

• dual processing

• parallel processing

• sequential processing