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Question
The two ears of the barn owl are positioned asymmetrically on the head, improving sound localization in the vertical direction.
Answer
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Paul Ekman argued that the perception of facial expressions of emotion is highly relative across cultures.
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Lesions to the hippocampus typically do not result in profound memory problems unless the lesions also encompass the amygdala.
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Imagine that a new drug is discovered that acts by depleting the brain of free magnesium ions. How would this drug affect long-term potentiation (LTP)? a. The amount of LTP would increase. b. The amount of LTP would decrease. c. The amount of LTP would not change. d. The amount of LTP would first decrease, then increase.
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Studies of de-afferentation and its effect on movement control in humans and other species demonstrate that a. movement depends on internal mental representations of the consequences of motor commands. b. movement depends on the availability of intact sensory feedback from effectors. c. movement is controlled by information from sensory receptors rather than muscles. d. movement is controlled differently in humans than in other primate species.
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