One of the reasons that PET scans can indicate brain activity is that very active neurons absorb more:
A. radioactive solution than less active ones
B. radio frequencies than less active ones
C. magnetism than less active ones
D. ultrasound than less active ones
Answer: A
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School performance, understanding other people's viewpoint, learning a second language, and resisting risky impulses all correlate positively with what?
a. Confabulation b. Executive functioning c. Proactive interference d. The availability heuristic
Researchers found that happiness predicted bigger increases in income, while higher income did not predict increases in happiness. What was the basic explanation for the former?
a. ?Happy people form better relationships. b. ?Happy people are better educated. c. ?Happy people are more competent. d. ?Happy people are healthier.
When one can alternately see both a wine glass and then two faces within the same image, this illustrates the reversibility of __________ images
Fill in the blank(s) with correct word
Lena is studying the properties of light in a laboratory. If she increases the amplitude of the light waves she is studying, what effect will this have on her perception of the light?
a. ?The light will be brighter. b. ?The light will be dimmer. c. ?The hue of the light will be more red-toned. d. ?The hue of the light will be more blue-toned.