Alcohol, amphetamines, barbiturates, cocaine, marijuana, and opiates tend to
a. increase dreaming by increasing REM sleep.
b. suppress dreaming by interfering with REM sleep.
c. cause narcolepsy and cataplexy in older individuals.
d. cause sleepwalking and sleeptalking in adolescents and young adults.
B
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Group selection works well as an explanation for human behavior because humans ____
a. can expel uncooperative individuals from groups b. are a highly social species who emphasize groups c. can make rational choices about mate selection d. benefit from living in groups
Dora is coloring a picture because she thinks it is fun to color. This is an example of:
a. extrinsic motivation b. intrinsic motivation c. self-actualization d. incentive motivation
Spreading activation refers to the concept of transferring activation from:
a. neuron to a neuron. b. dendrite to a dendrite. c. node to a node. d. memory to a memory.
If a baby's experiences do not stimulate certain nerve connections, those connections are eliminated—a process called
a. synaptic division. c. neuron pruning. b. synaptic pruning. d. neuron division.