For which of the following potential treatments for Alzheimer's disease did research have to be discontinued due to dangerous side effects?
A. Memantine, which may regulate activity of the neurotransmitter glutamate
B. ACh inhibitors that improve cognitive functioning
C. Donepezil placebo inhibitors
D. Vaccines that might clear away any accumulated plaques
Answer: D
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Psychologists have debated whether or not humans have "basic emotions" and, if so, what constitutes a basic emotion? What evidence do people most often cite as support for the idea of basic emotions?
What will be an ideal response?
How do crawling infants (ages six months and above) respond to the visual cliff?
a. Over 90 percent prefer the shallow side b. Most refuse to budge from the center board c. Most refuse to move but will follow another baby d. Holding a parent's hand greatly increases the number who will crawl off the center board
Gina is eighteen years old and feels that she is no longer as close to her parents as she was when she was a child. In fact, she has moved away from the religious commune
where she was raised and is engaged to the boyfriend she met at college. This scenario is consistent with which of the following concepts? a. Distancing hypothesis b. Reaction range c. Active genotype-environment interaction d. Nature-nurture debate
When you hear a police siren, the sound seems to rise and fall. What is most likely responsible for this perceptual experience?
A. changes in amplitude B. changes in location C. changes in frequency D. changes in time of arrival