Identical twins raised in the same environment by the same parents can be affected by nonshared environmental influences within the family
Indicate whether this statement is true or false.
True
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Broca's discovery of the speech area of the brain may have involved asking all of the following questions except
a. Did the loss of speech cause the stroke? b. What did the stroke victims who were unable to speak have in common? c. How did stroke victims who were unable to speak differ from others? d. Did the severity of the speech problem vary with the size of the affected brain area?
The optic nerves from each eye come together in the brain at the
A) corpus callosum B) thalamus C) hypothalamus D) optic chiasm
Javier is walking through his yard in deep twilight. Which of the following statements most accurately describes the visual system or systems he is using?
A. He is relying on the photopic system, which is associated with the cones, because cones are sensitive to color. B. He is relying on the scotopic system, which is associated with the rods, because rods are more sensitive to light than cones are. C. He is relying on the Purkinje shift to adjust to the decreasing levels of light available to his eyes. D. He is relying on both the photopic and scotopic systems because it is a time of intermediate light intensity.
In sign-tracking experiments, the stimulus that an animal approaches is best interpreted as a(n) _____, while the approach behavior is a(n) _____
A) ?SD; operant response B) ?CS; CR C) ?US; UR D) ?SR; adjunctive response