You are watching sleep researchers monitor the sleep of a normal adult. The participant is hooked up to an EEG. What brain waves would you observe as the person becomes drowsy and then enters the first stage of sleep?
a. alpha eventually replaced by delta
b. delta eventually replaced by theta
c. alpha eventually replaced by theta
d. delta eventually replaced by beta
e. beta replaced by spindles
c. alpha eventually replaced by theta
Psychology
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What is one criticism of the DSM classification of personality disorders as discrete categories rather than dimensional traits?
a. Category names are arbitrary. b. A categorical approach does not explain etiology. c. The labels have created more problems than they solved. d. There are a lot of people with serious personality problems who do not fit the official DSM-5 subtypes.
Psychology
Which of the following is NOT considered a teratogen?
a) x-rays b) vitamins not above the recommended daily amount c) viruses d) environmental toxins
Psychology