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BMB_2_17_11 - Exam 2 is on October 24th Review Session...

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Exam 2 is on October 24th
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Review Session * Wednesday, February 23 (the day before the exam) * 2:00pm - 3:00pm * Campbell Hall, Room 204
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The Motor System
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Cerebellar Function Controls muscle tone to hold posture Monitors positions of body parts and compares with the desired position Adjusts activity of motor cortex and spinal cord to smooth motions Important for the rapid, consecutive, and simultaneous movements Cognitive tasks: attention, emotion, language, motor
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Sagittal plane Motor areas of cerebral cortex Thalamus Corrective feedback Motor centers in brainstem Pons Pontine nuclei Direct pathways Indirect pathways Signals to lower motor neurons Sagittal section through brain and spinal cord Sensory signals from proprioceptors in muscles and joints, vestibular apparatus, and eyes Cortex of cerebellum 1 2 3 4
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Long Onset Latency Dysmetria Tracking Failures Cerebellar Lesion Effects http://www.youtube.com/watch?v=5eBwn22Bnio&feature=related
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Multiple Motor System
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Chapter 6: Homeostasis
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Homeostasis Homeostasis: Ability of the body to keep its internal environment constant. Homeostasis is regulated by the autonomic and diffuse enteric divisions of the PNS and also by the CNS through the pituitary gland. These systems work to maintain a uniform internal environment.
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