Ainsworth found that separation anxiety normally begins ______
a. during the first year of life c. between the ages of 4 and 5
b. between the ages of 2 and 3 d. between the ages of 6 and 7
A
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Early research on classical conditioning was performed with dogs. In certain variations of this research, experimenters repeatedly presented dogs with meat powder just after ringing a bell. The dogs (who would naturally salivate after being exposed to meat powder) learned to associate the bell with the meat powder, and began to salivate as soon as they heard the bell. In this research, the dogs'
salivation was ____. a. a conditioned response b. an unconditioned response c. a neutral stimulus d. both an unconditioned response and a conditioned response
Diaschisis refers to the ____.
A. increase in activity of neurons surrounding a damaged area B. decreased activity of surviving neurons after other neurons are damaged C. increased activity in the cerebral cortex after damage to any part of the brain D. increased activity in the hypothalamus after damage to any part of the brain