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Chapter 15 Sensory, Motor and Integrative Systems Receptors • • • • • • • • • • Exteroceptors – near the body surface Interoceptors – in blood vessels, viscera Proprioceptors – in muscles, tendons, joints Mechanoreceptors – detect pressure Thermoreceptors - temperature Nocioreceptors – physical or chemical change Photoreceptors - light Chemoreceptors - chemicals Osmoreceptors – pressure of body fluids Baroreceptors – blood pressure Referred Pain Reticular Activating System Sleep Patterns Why We Sleep • To reorganize connections between neurons • Consolidate memories • Synthesize proteins and cholesterols • Tissue repair • Builds up immunity (the more sleep one gets the greater the immunity – up to a point) Terms • • • • • • • • • • Learning and Memory Paraplegia Hemiplegia Quadraplegia Parkinson’s Disease Coma Insomnia Narcolepsy Sleep apnea Phantom pain