Section3-3-1 - 3/15/12 Odor perception issues Adaptation:...

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3/15/12 1 Odor perception issues Adaptation Olfactory is most sensitive to change in environment Internalization of receptors Odor molecule mixtures Produce unique perceptions; e.g., bacon doesn’t smell like a bunch of independent molecules; we are pretty bad at extracting components Rarely exposed to “pure odorant” Some neurons in Piriform cortex respond only to combined stimulation of 2 odorants, not to either alone. Odor memories Strong emotional content Direct link to amygdala Odor Imagery. Can you imagine odors? Olfactory dreams are rare. Brain imaging studies; different patterns of activation ? (controversial) Individual differences Learning of preferences Genetic variation 1000 genes…. .ya think??? Species differences 1000 genes…. .ya think?? Alzheimer’s and loss of olfaction? Adaptation: internalization of receptors If inside of cell, no odorant can bind What is taste good for?
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This note was uploaded on 04/09/2012 for the course EXP 3202 taught by Professor Staff during the Spring '12 term at Florida State College.

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Section3-3-1 - 3/15/12 Odor perception issues Adaptation:...

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