According to the cocktail party effect, you are most likely to hear ______ amid several noisy conversations.
A. your friend's voice
B. the loudest voice
C. discordant music
D. your name
Answer: D
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How does the ApoE4 gene appear to contribute to the development of Alzheimer's disease?
a. Through an increased buildup of beta-amyloid b. By decreasing blood flow to the prefrontal lobe c. Through the creation of new synapses within the brain d. By making the brain more susceptible to damage from a blow to the head
If you walk under a ladder and then break a leg, you may avoid ladders in the future. Each time you avoid a ladder and nothing happens, this avoidance action is reinforced. This illustrates
a. the method of successive approximations. b. superstitious behavior. c. shaping. d. response chaining.
Young mice engineered to produce ______ amounts of the protein RbAp48 showed ______ in memory ability.
A. increased; no change in performance B. decreased; enhanced performance C. increased; impairment D. decreased; impairment
Penelope is having a difficult time staying awake in her overheated introductory class, even though she is not sleep deprived. One reason may be because:
a. Overheating decreases the activity of the attention centers in the brain b. Overheating activates the preoptic area c. REM sleep is increased when the body becomes warm d. None of the above