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Question
The term tonotopic refers to the fact that the cochlea and the auditory cortex contain maps that are organized according to the sound frequencies that best stimulate the cells.
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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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Neurons in each half of the cerebellum synapse on _________ targets in the thalamus and other subcortical structures, and therefore regulate the effectors on the _________ side of the body. a. ipsilateral ; ipsilateral b. ipsilateral ; contralateral c. contralateral ; ipsilateral d. contralateral ; contralateral
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When a voluntary movement such as contracting ones right biceps is generated, what other signals, if any, must accompany this command? a. A signal to antagonist muscles, such as the right triceps, to relax. b. A signal to antagonist muscles, such as the right triceps, to flex simultaneously. c. A signal to antagonist muscles, such as the left biceps, to relax. d. No other signal is necessary.