Which of the following developmental changes in the brain occurs after birth?
A. The number of dendrites and synapses increases until adolescence, after which it reduces.
B. The number of axons increases and the number of dendrites decreases throughout adolescence and adulthood.
C. No developmental changes occur after birth because all the neurons the brain will ever have are present at birth.
D. New neurons grow until adolescence, after which they begin to die.
Answer: A
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What evidence do some psychologists cite to support the idea that humans have six "basic" emotions? a. Ancient civilizations named six of the days of the week after one of these emotions. b. Each of the six emotions depends on a different neurotransmitter
c. Six facial expressions of emotion are recognizable throughout the world. d. Certain genetic mutations cause the loss of just one of these emotions.
The concept of instinct has been redefined with the idea of:
A. fixed action patterns B. homeostatic mechanisms C. extrinsic motives D. intrinsic motives
Regarding male and female mate selection, which of the following statements does NOT fit with the conclusions of evolutionary psychologists?
a. Women prefer men with status and economic success because the women are concerned about providing for their children. b. Since women spend more time involved in reproduction and nurturing, they are interested in partners who will stay with them. c. Men stay in relationships because they benefit from an investment of resources in the woman's children, regardless of paternity. d. Since the reproductive success of men depends upon their mates' fertility, they tend to look for young, healthy women who will be well suited for reproduction.
Playmates who become friends do all of the following except
a. use information exchange as a form of distraction. b. escalate play in intensity. c. modulate their actions. d. reveal their feelings.