In one investigation, __________, appearing an average of four years in advance of death, predicted mortality
A) growth in the prefrontal cortex
B) an increase in processing speed
C) a sharp drop in life satisfaction
D) a cognitive rebound
C
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Your clock makes a clicking sound just before the alarm. Initially that sound didn't waken you, but now it does, due to classical conditioning. What is the unconditioned stimulus?
a. The clicking sound b. The alarm c. Waking up d. The clock
Research by Gentile et al. (2009) on media effects and helping behavior found that
a. people assigned their partner the easiest puzzles after playing a prosodies video game. b. people assigned their partner the easiest puzzles after playing a violent video game. c. people were more likely to answer more questions on a questionnaire after playing a prosodies video game. d. people were more likely to answer fewer questions on a questionnaire after playing a violent video game.
Pavlov called the stimuli (CSs) that come to signal biologically significant events the:
a. first-signal system b. second-signal system c. cortical mosaic d. mind
We can distinguish between the lower sound of the male singer and the higher sound of the female singer because the voices differ in:
a. pitch c. amplitude b. loudness d. decibels