FUND. OF ANATOMY & PHYSIOLOGY F16 PKG
10th Edition
ISBN: 9781323431122
Author: Martini
Publisher: PEARSON C
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Chapter 15, Problem 15RQ
What is a motor homunculus? How does it differ from a sensory homunculus?
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Which nervous system component belongs to its corressponding motor pathway?
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Motor Pathway
Cerebellum
A) plan and initiate voluntary movements
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B) refine and adjust movements
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C) relay commands to most muscles below the neck
Frontal Lobe
D) relay commands to muscles of facial expression, eye movement, chewing, and swallowing
Why are some areas of the body represented as largerthan other areas on the spatial map of the primary motorcortex?
Chapter 15 Solutions
FUND. OF ANATOMY & PHYSIOLOGY F16 PKG
Ch. 15 - What do we call the bodys specialized cells that...Ch. 15 - Prob. 2CPCh. 15 - Prob. 3CPCh. 15 - Define adaptation.Ch. 15 - List the major types of general sensory receptors,...Ch. 15 - Identify the three classes of mechanoreceptors.Ch. 15 - What would happen to you if the information from...Ch. 15 - Prob. 8CPCh. 15 - Which spinal tract carries action potentials...Ch. 15 - Prob. 10CP
Ch. 15 - Prob. 11CPCh. 15 - Prob. 12CPCh. 15 - Prob. 13CPCh. 15 - Prob. 1RQCh. 15 - __________ receptors are normally inactive, but...Ch. 15 - Prob. 3RQCh. 15 - Prob. 4RQCh. 15 - Prob. 5RQCh. 15 - Prob. 6RQCh. 15 - Prob. 7RQCh. 15 - What are the three major somatic sensory pathways...Ch. 15 - Prob. 9RQCh. 15 - Which three motor tracts make up the medial...Ch. 15 - Prob. 11RQCh. 15 - Prob. 12RQCh. 15 - What three steps are necessary for transduction to...Ch. 15 - Differentiate between a tonic receptor and a...Ch. 15 - What is a motor homunculus? How does it differ...Ch. 15 - Prob. 16RQCh. 15 - Prob. 17RQCh. 15 - Prob. 18RQCh. 15 - By which structures and in which pan of the brain...Ch. 15 - Prob. 20RQCh. 15 - Prob. 21RQCh. 15 - Prob. 22RQCh. 15 - Prob. 23RQCh. 15 - Prob. 1CCCh. 15 - Prob. 2CC
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- What is the brain area just anterior to the precentral gyrus that selects and sequences basic motor movements into more complex tasks?arrow_forwardWhat is the role of the cerebellum in motor functioning?arrow_forwardWhat areas of the brain are responsible for integrating sensory input and generating motor output?arrow_forward
- What is spatial summation?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_forwardWhen expert pianists listen to familiar, well-practiced music, they imagine the finger movements, and the finger area of their motor cortex becomes active, even if they are not moving their fingers (Haueisen & Knösche, 2001). If we regard those neurons as another kind of mirror neuron, what do these results imply about the origin of mirror neurons?arrow_forward
- how are action potentials transmitted to the brain? How do microglia contributor to sensation of pain in the brain?arrow_forwardMulti-cell recordings from the human motor cortex can be used to guide a robotic arm. Discuss BCI and action control: a) How the woman controls the robotic arm b) She has been paralyzed for over 20 years, but this BCI system still works for her. What does that mean? c) What kinds of information do motor neurons code?arrow_forwardWhat is the main difference between the corticospinal and corticonuclear tracts?arrow_forward
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