Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 8, Problem 11bCP
List the tracts of the extrapyramidal system and explain how this system differs from the pyramidal motor system.
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List the tracts of the extrapyramidal system and explain how this system differs from the pyramidal motor system.
Describe the structure and function of the pyramidal and extrapyramidal motor tracts.
Briefly explain the function of the supraspinal descending inhibitory motor pathways.
Chapter 8 Solutions
Human Physiology
Ch. 8 - Prob. 1CPCh. 8 - Describe the embryonic origin of the brain...Ch. 8 - Prob. 3aCPCh. 8 - Describe the locations and functions of the basal...Ch. 8 - Prob. 4aCPCh. 8 - Prob. 4bCPCh. 8 - Prob. 5CPCh. 8 - Prob. 6CPCh. 8 - Prob. 7aCPCh. 8 - Prob. 7bCP
Ch. 8 - Prob. 8aCPCh. 8 - Prob. 8bCPCh. 8 - Prob. 9CPCh. 8 - Prob. 10CPCh. 8 - Prob. 11aCPCh. 8 - List the tracts of the extrapyramidal system and...Ch. 8 - Prob. 12aCPCh. 8 - Prob. 12bCPCh. 8 - Prob. 1RACh. 8 - Prob. 2RACh. 8 - Prob. 3RACh. 8 - Prob. 4RACh. 8 - Prob. 5RACh. 8 - Prob. 6RACh. 8 - Prob. 7RACh. 8 - Prob. 8RACh. 8 - Prob. 9RACh. 8 - Prob. 10RACh. 8 - Prob. 11RACh. 8 - Prob. 12RACh. 8 - Prob. 13RACh. 8 - Prob. 14RACh. 8 - Prob. 15RACh. 8 - Prob. 16RACh. 8 - Prob. 17RACh. 8 - The thalamus has been described as a...Ch. 8 - Prob. 19RACh. 8 - Prob. 20RACh. 8 - Prob. 21RACh. 8 - Prob. 22RACh. 8 - Prob. 23RACh. 8 - Prob. 24RACh. 8 - State two reasons why researchers distinguish...Ch. 8 - Describe evidence showing that the hippocampus is...Ch. 8 - Prob. 27RACh. 8 - Prob. 28RACh. 8 - Prob. 29RACh. 8 - Recent studies suggest that medial temporal lobe...Ch. 8 - Much has been made (particularly by left-handers)...Ch. 8 - Prob. 32RACh. 8 - Prob. 33RACh. 8 - Neurologists have noticed that patients with...Ch. 8 - Prob. 35RACh. 8 - Prob. 36RACh. 8 - Table 7.3 (chapter 7) provides the axon diameters...Ch. 8 - Prob. 38RACh. 8 - Prob. 39RACh. 8 - Table 7.3 (chapter 7) provides the axon diameters...
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- Identify and describe the five components of a somatic reflex arcarrow_forwardContrast the functions of upper and lower motor neurons.arrow_forwardInjury to the extra pyramidal motor system does not cause paralysis of voluntary movement and general spasticity. Explain why and discuss the major motor symptoms observed in extra pyramidal motor disorders.arrow_forward
- Which system within the CNS is the most powerful and profound for the motor funtions for our bodies?arrow_forwardSort the structures that the action potential would pass through after being generated by the first order sensory neuron. Drag and drop options into correct order and submit. thalamus anterior ramus of spinal nerve posterior root and rootlets somatosensory cortex of the cerebrum posterior funiculus brainstem brachial plexus posterior grey horn ||| ||| = ||| = ||| = ||| = ||| ||| ||| =arrow_forwardAs compared to the rest of the body, the face and the hand are mapped in the primary motor cortex in a disproportionately large manner. Why?arrow_forward
- An injury to the superior portion of the primary motor cortex would affect the ability to control muscles of which parts of the body?arrow_forwardDefine reflex and explain how reflexes differ from other motor actions.arrow_forwardExplain the descending pathway from the brain where Mr. Dexter decides to move his right leg to the actual movement of his quadriceps. (Use complete sentences.) Use key words in this order: primary motor cortex in precentral gyrus, frontal lobe, descending tract, decussate, ventral horn with motor neuron in lumbar spinal cord, ventral root, spinal nerve, sciatic nerve in lumbosacral plexus, muscles to move leg (ie. quadriceps)to take a step.arrow_forward
- Match functions with parts of the central nervous system (CNS) This structure regulates voluntary movements (checks what the brain has instructed against what is actually happening) The primary motor area is located here This structure is a major sensory relay centre Thirst and satiety centres are located herearrow_forwardAre interneurons important elements of the local level of the motor control hierarchy? Explain how?arrow_forwardCentral pattern generators (CPGs) are found at the segmental level of motor control. (a) What is the job of the CPGs? (b) What controls them, and where is this control localized?arrow_forward
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