Taste - marking and identifying territory o Taste has a...

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Taste Smell and taste are often grouped together as the chemical sense o Stimuli are both chemical compounds Differ in the medium through which the stimulants are carried o Smell uses the medium of air o Taste uses the medium of water/saliva Repertoire (how many types of smell/taste there are) o Large repertoire for smell o Small repertoire for taste o Partly because they perform diff functions Effective range (how close to the stimulus do we need to be to sense it) o Smell – large o Taste - small Coding o Odors are coded in a distributed faction (pattern of activity across receptor cells) o Tastes are coded in a specific way Function o Smell has a broad range of functions (whether to ingest a certain type of food, sense of smell is attuned to toxic properties of food, role in identifying mates,
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Unformatted text preview: marking and identifying territory o Taste has a narrow range (whether a certain substance should be consumed) • Preferences o Smell is acquired from experience o Taste is inborn • Taste and feeding ecology o Spets Often carnivores and insectivores Concentrate on one or a few food items Food identification can be programmed genetically Interesting adaptations involve search and captures Complex gustatory sense not necessary o Generalists Omnivores Eat wide variety of foods Must learn what foods are safe to eat Need gustatory sense to guide food selection • Anatomy and physiology of gustation o Tongue is the primary organ of taste o Fungiform papillae o Foliate papillae o Circumvallate papillae...
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This note was uploaded on 11/27/2011 for the course PSYC 225 taught by Professor Staff during the Fall '10 term at UNC.

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