Which of the following is a brain-imaging method in which radioactive sugar is injected into the subject and a computer compiles a color-coded image of the activity of the brain?
A. electroencephalography (EEG)
B. computed tomography (CT)
C. positron emission tomography (PET)
D. functional magnetic resonance imaging (fMRI)
Answer: C
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High levels of antioxidants have what effect on the progression of Alzheimer's disease?
a. Slow though not stop b. Stop c. Speed up d. No effect whatsoever
Daniel has a new job. At his first meeting with his new co-workers, someone calls the boss the “old man.” Daniel is not sure if this remark is meant as an insult or a joke, but when he sees the boss and the others all smiling and laughing he realizes that the remark was friendly kidding. Daniel’s realization best illustrates ____.?
a. ?Darwin’s theory of emotion b. ?social comparison c. ?the facial feedback hypothesis d. ?social referencing
Suppose that height is a normally distributed variable with mean of 66 inches and a standard deviation of 3 inches. If you select a person at random from the population, what is the probability that the person is between 60 and 72 inches tall?
a. .34 b. .475 c. .68 d. .95
What statement is most true regarding response expectancy paradigms?
A) Anticipation speed refers to how quickly an infant will look at an object that has just appeared in their field of vision. B) Response expectancy and habituation paradigms essentially assess the same competencies. C) To study response expectancies, the researcher creates a patterning of responses and records how quickly the infant will glance in a direction in anticipation of an object. D) Unlike habituation speed, response expectancy abilities are not well tied to later intellectual abilities.