Question 27 1 pts Joel notices a book sliding off the top shelf of his bookcase and about to fall on the floor. He moves quickly to catch the book and prevent it from falling on the floor. In the context of the cerebral cortex, the quick movement of his hand is most likely a result of a process in the: ?temporal lobe. ?somatosensory cortex. ?Wernicke's area. ?motor cortex.
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Step 1: The process of quickly moving his hand to catch the book and prevent it from falling on the floor involves motor control and coordination. Show more…
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You may select more than one answer choice for the following question. Select all that are correct. A difference between the "traditional view" and the "modern view" of the function/organization of the primary motor cortex is that when Graziano et al (2006) stimulated specific regions of the monkey primary motor cortex, it generated specific movement involving the action of multiple body parts. The "modern view" suggests that most neurons' activity codes for the direction of movement of a particular body part. The traditional/conventional view suggests that many neurons in the primary motor cortex code for the "endpoint" or target of movement. The "traditional/conventional view" suggests that the primary motor cortex is somatotopically organized and that more cortex area is devoted to body parts that make particularly intricate movements. The "modern view" suggests that the primary motor cortex is somatotopically organized and that more cortex area is devoted to body parts that make particularly intricate movements. The "traditional/conventional view" suggests that most neurons' activity codes for the direction of movement, while the "modern view" suggests that most neurons in the primary motor cortex code for the "endpoint" or target of movement.
Which of the following cortical areas plays an important role in triggering planned movements and providing feedback for their control? Group of answer choices Supplementary motor area Primary motor cortex Posterior parietal cortex Which of the following is a function of the executive level of motor control? Group of answer choices Selection of muscles to be used. Vigor and speed of motor performance. Timing of muscle contraction and relaxation. Which of the following statements concerning central pattern generators (CPGs) is false? Group of answer choices The rhythmic output of a CPG is not dependent upon sensory feedback. The output of a CPG is fixed and cannot be modified or modulated. CPGs communicate with one another for intra- and inter-segmental coordination. To produce a rhythmic output, neurons showing reciprocal inhibitory connections, exhibit what is called "post-inhibitory rebound". Group of answer choices True False Sensory feedback can tune the CPG to rhythms that are appropriate for the environmental and kinematic context in which the animal is moving, such as altering your gait to avoid tripping over an object. Group of answer choices False True
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