There are many methods for studying the physiology of the brain. ________ is the technique involving subtraction whereby brain activity is compared between baseline and stimulation measurements
a. Convergence
b. Single unit recording
c. Positron emission tomography
d. Mental chronometry
Answer: c. Positron emission tomography
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How many of the following are considered secondary sex characteristics: growth of facial hair in boys, development of a functional uterus in girls, voice change in boys, and broadening of shoulders in girls?
a. one b. two c. three d. four
Marla is one year old. She probably ____
a. ?knows general names rather than simple object categories b. ?is at the infant vocalization stage c. ?uses language without gestures d. ?understands more words than she can say
Children do not utter meaningful words until about 18 months of age
Indicate whether the statement is true or false
Andrea wants to be famous. She works hard in her classes and gets straight A's; she attends workshops and conferences in her field and makes an effort to meet all the right people; and during the summer, she volunteers many hours at a research lab
She is sure that nothing will stand in her way. McClelland would say that Andrea is A) high on need for affiliation. B) high on achievement motivation. C) low on conscientiousness. D) high on sensation-seeking. E) low on social status.