The corpus callosum is a thick band of fibers that connect
a. the hindbrain to the midbrain.
b. the motor cortex to the frontal lobe.
c. hindbrain to the spinal cord.
d. the two cerebral hemispheres.
D
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A recent study indicates that an ingredient in coffee appears to protect against ___________
a. hypertension b. peptic ulcer c. liver cirrhosis d. osteoporosis
When using a substance makes normal activities such as driving result in harmful accidents, this is called
A. behavioral tolerance. B. drug misuse. C. behavioral toxicity. D. laissez-faire.
The Yerkes-Dodson Law says:
a) performance on a task is affected by levels of arousal. b) the more money you make the better your job will be. c) nausea from bad food causes a reluctance to eat that food again. d) performance on tests is better in the morning.
A behavior geneticist described research on the genetic influences on personality. He noted, "You have to remember that these influences involve quite a number of genes even for the simplest personality trait."
Which concept was the behavior geneticist discussing? a) meiosis b) dominant genes c) polygenic inheritance d) chromosomal abnormalities