Long-term potentiation involves ______.
A. inhibition of a neuron
B. synaptic strengthening following repeated stimulation
C. increasing threshold to initiate a neural response
D. at least one complex path of neurons
Answer: B
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The definitional approach to categorization
A. is not well suited for geometrical objects but works for familiar everyday objects. B. sets definite criteria called family resemblances that all category members must have. C. doesn't work well for most natural objects like birds, trees, and plants. D. was proposed to replace the prototype approach.
Cheranita is experiencing the first stage of the general adaptation syndrome. An environmental stressor has triggered a process in her brain in which the ____ activates the sympathetic branch of the ____ nervous system, which stimulates the adrenal gland, which then secretes adrenaline
a. ?hypothalamus; autonomic b. ?medulla oblongata; somatic c. ?hypothalamus; somatic d. ?medulla oblongata; autonomic
The life-span range by nation is _____ years
40 75 43 80
In cross-sectional research on aging,
a) two age groups are compared at one point in time. b) people with different mental disorders are compared at one point in time. c) the same group of people is followed over time. d) people from different cultures are compared at one point in time.