Plasticity means the brain's ability to ______.
A. change its organization and function in response to experience
B. specialize its hemispheres to carry out different functions
C. degrade unused synapses
D. increase neuronal myelination
Answer: A
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The Freudian stage in which a child's sexuality is largely suppressed and he or she focuses on expanding social contacts is the
a. anal stage. b. genital stage. c. phallic stage. d. latency stage.
In Exercise 8, the CS Response Strength Window showed different curves for the low-intensity light (CSLL) and high-intensity tone (CSHT) that were in use during the overshadowing experimental treatment. The different curves corresponded to the greater salience of the tone. Which of the following aspects of the movement-ratio results from the experimental condition was most consistent with the CS-response-strength results?
a. The rapid growth of the movement ratio in the first few trials of Stage 1 (acquisition) b. Values of the movement ratio in excess of 0.5 during Stage 1 c. The much larger movement ratio for the tone than for the light in Stage 2 (extinction) d. The much larger movement ratio for the light than for the tone in Stage 2
A function of the cerebrospinal fluid is to ____
a. cushion the brain b. hold blood in reserve for emergencies c. maintain the blood-brain barrier d. synthesize neurotransmitters
If the effects of reinforcement, extinction, and punishment occur in some situations but not in others, the effects are said to be:
a. generalized b. situation-specific c. isolated d. intermittent