Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Question
Chapter 9.6, Problem 21CC
Summary Introduction
To determine: Whether the relay neurons in the thalamus, which reduce the information transmission during sleep, are depolarized or hyperpolarized.
Introduction: The brain receives sensory input from the external and internal environments. It processes and integrates the information, and if the information is appropriate, a response is created.
Summary Introduction
To determine: The reason for considering that neurons are hyperpolarized.
Introduction: Neuron cells always possess an electrical charge across their membranes. A polarized neuron is always said to be its resting potential, and it becomes depolarized when the charges of the nerves are reversed.
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Chapter 9 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 9.2 - Prob. 1CCCh. 9.3 - Name the four kinds of glial cells found in the...Ch. 9.3 - Prob. 3CCCh. 9.3 - Prob. 4CCCh. 9.3 - Prob. 5CCCh. 9.3 - Prob. 6CCCh. 9.3 - Prob. 7CCCh. 9.3 - Prob. 8CCCh. 9.3 - Prob. 9CCCh. 9.3 - In the late 1800s, the scientist Paul Ehrlich...
Ch. 9.3 - Prob. 11CCCh. 9.4 - Prob. 12CCCh. 9.4 - Prob. 13CCCh. 9.5 - Are the following white matter or gray matter? (a)...Ch. 9.5 - Using the information from Table 9.1, describe the...Ch. 9.5 - In anatomical directional terminology, the...Ch. 9.5 - Prob. 17CCCh. 9.5 - Prob. 18CCCh. 9.5 - Prob. 19CCCh. 9.5 - Prob. 20CCCh. 9.6 - Prob. 21CCCh. 9 - Prob. 1RQCh. 9 - Prob. 2RQCh. 9 - Prob. 3RQCh. 9 - In vertebrates, the central nervous system is...Ch. 9 - Prob. 5RQCh. 9 - Prob. 6RQCh. 9 - Prob. 7RQCh. 9 - Prob. 8RQCh. 9 - Prob. 9RQCh. 9 - Prob. 10RQCh. 9 - Prob. 11RQCh. 9 - What does cerebral lateralization refer to? What...Ch. 9 - Match each of the following areas with its...Ch. 9 - Name the 12 cranial nerves in numerical order and...Ch. 9 - Name and define the two major phases of sleep. How...Ch. 9 - List several homeostatic reflexes and behaviors...Ch. 9 - Prob. 17RQCh. 9 - What are the broad categories of learning? Define...Ch. 9 - Prob. 19RQCh. 9 - Prob. 20RQCh. 9 - Prob. 21RQCh. 9 - What are the three brain systems that regulate...Ch. 9 - Explain the role of Wernickes and Brocas areas in...Ch. 9 - Compare and contrast the following concepts: a....Ch. 9 - What properties do motivational states have in...Ch. 9 - Prob. 26RQCh. 9 - Prob. 27RQCh. 9 - Prob. 28RQCh. 9 - Mr. Andersen, a stroke patient, experiences...Ch. 9 - Prob. 30RQCh. 9 - Prob. 31RQCh. 9 - Prob. 32RQCh. 9 - Prob. 33RQ
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- Match the terms with their descriptions. ____ thalamus a. coordinates motor activity ____ dopamine b. connects the hemispheres ____ limbic system c. protects brain and spinal cord from some toxins ____ corpus callosum d. one type of neurotransmitter ____ cerebral cortex e. support team for neurons ____ cerebellum f. wrap brain and spinal cord ____ neuroglia g. roles in emotion and memory ____ ganglion h. most complex integration ____ blood-brain barrier i. cluster of neuron cell bodies ____ meninges j. regulates sleep-wake cyclearrow_forwardList two functions of the thalamus?arrow_forwardWhich of the following is correct? tertiary neurons found by:- a. extending between the posterior horn and anterior horn b. extending between the posterior horn and the brainstem c. extending between the thalamus and the primary somatosensory cortex d. extending between the primary motor cortex and brainstemarrow_forward
- The den network of fibers that connect the two hemispheres is called the corpus Callosum. Much of what we know about the difference between the left and right hemispheres came from the study of patients with a severe form of epilepsy. To help control the number, duration, and intensity of the epileptic seizures, The corpus callosum was cut. By studying these individuals, Roger Sperry and others learned that the two hemispheres are specialized for different types of task and different modes of thought. Which hemisphere and most people would be better at putting together a puzzle? A. Neither- this is better controlled by the cerebellum B. Both are equally good at this task C. Left D. Rightarrow_forwardIn the limbic stream through the basal ganglia, the basal ganglia output projects from what region? Question 12 options: A) External segment of the globus pallidus B) Ventral pallidum C) Putamen D) Internal segment of the globus pallidus E) Striatumarrow_forwardResearch suggests that PGO waves play an important role in generating REM sleep. PGO waves activate all of the following brain regions EXCEPT: A) the occipital lobes. B) the pons. C) the prefrontal cortex. D) the lateral geniculate nucleus.arrow_forward
- Coordination and timing of movements and balance are functions of which of the following brain structures? a- basal ganglia b- motor cortex c- midbrain motor centers d- cerebellumarrow_forwardRefer to the direct pathway of the basal ganglia. What part of the frontal cortex is targeted by the direct pathway? What are the effects of the direct pathway on the thalamus and frontal cortex? Explain the circuitry of the direct pathway. Begin with the inputs and end with its effect on the cortex.arrow_forwardWrite difference between thalamus and hypothalamus?arrow_forward
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