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Chapter 16 SENSORY, MOTOR, AND INTEGRATIVE SYSTEMS Chapter Synopsis This chapter introduces students to the meaning and levels of a sensation and the components of a sensation. Receptors are studied in terms of classification and adaptation. The somatic sensations examined include tactile sensations, thermal sensations, pain sensations, and proprioceptive sensations. The study of the somatic sensory pathways follows with the spinal sensory tracts examined in detail. Somatic motor pathways are covered with a comparison of direct and indirect motor pathways. The chapter concludes with a discussion of the integrative functions of wakefulness, sleep, learning and memory. Homeostatic imbalances and clinical applications included are spinal cord injury, cerebral palsy, Parkinson disease, analgesia: relief from pain, tertiary syphilis, paralysis, amyotrophic lateral sclerosis, and damage to basal ganglia and the cerebellum. There is also a glossary of medical terminology related to the sensory, motor, and integrative systems. Chapter Outline and Objectives INTRODUCTION 1. Provide an overview of the three basic functions of the sensory, motor, and integrative systems of the nervous system. SENSATION 2. Define and compare sensation and perception.
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Sensory Modalities 3. Define sensory modality, give examples, and indicate the unique relationship to impulses transmitted along specific pathways. The Process of a Sensation 4. Generally examine the four requisite events for a stimulus to become a sensation. Sensory Receptors
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This note was uploaded on 06/06/2011 for the course BIO 115 taught by Professor Chen during the Fall '09 term at Moraine Valley Community College.

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