If some of the axons innervating a given cell are destroyed or if they become inactive, what compensatory process takes place in the remaining presynaptic cells?
A. Activation of previously silent synapses
B. Removal of toxins
C. Denervation supersensitivity
D. Collateral sprouting
Answer: D
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Baby Rafael cries when his mother leaves him with a new babysitter. This is indicative of
a. separation anxiety. b. social referencing. c. insecure-avoidant attachment. d. the need to find a new primary caregiver.
Researchers have shown that by _________ of age, infants are able to distinguish among several expressions, particularly happiness as opposed to anger, surprise, and sadness
a. one year c. two to four weeks b. three to four months d. six days
Grid cells are located in the ______.
A. hippocampus B. hypothalamus C. parietal lobe D. entorhinal cortex
The judgment of the normality of an individual's behavior can be based on whether
A) ?he or she experiences personal distress. B) ?the behavior deviates from accepted social norms. C) ?his or her everyday adaptive functioning is impaired. D) ?any of these.