Nervous System - Basic Sensory

Anorexis no appetite the most subtle receptors are the

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Unformatted text preview: f the world always accurate? Sensory Transduction: Sensory receptors transduce energy of one type or another into changes in membrane potential that ultimately result in electrical impulses being sent to the CNS via afferent nerve pathways Summations of intero- receptors: Hunger Thirst Breathing Orexis (creates appetite) vs. Anorexis (no appetite) The most subtle receptors are the visceral receptors, such as CO2 concentration, etc. Sensory Receptors Physiology: sesnsory receptors, transduction, adaptation Specialized nerve ending or separate cell that detects a sensory stimulus Conversion of stimulus energy into electrical energy Decrease amplitude of receptor potential over time with constant stimulus Separate cell Sensory Receptor Characteristics Law of specific nerve energies: given adequate stimulus A sensory receptor is specific and most sensitive for a p...
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This document was uploaded on 03/23/2014 for the course BIOL 175 at Georgetown.

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