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12 Cards in this Set
- Front
- Back
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chemical senses
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visual and auditory perception
environment info carried by waves |
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neurogenesis
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constant renewal of sense receptors
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macrosmatic
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strong sense of smell critical for survival
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microsmatic
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weak sense of smell
not critical for survival |
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detection threshold
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lowest concentration for odor detection
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recognition threshold
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how much odor is needed for identification
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olfactory muscosa
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located at the rood of nasal cavity
size of a dime |
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olfactory receptor neurons
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located in olfactory muscosa
stimulated as odor molecules pass transduction |
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recognition profiles
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pattern of activated ORN
different odor molecules activate different olfactory receptor neurons |
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olfactory bulb
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info sent to higher brain regions
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higher-order processing
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info travels from olfactory bulb to piriform cortex, amygdala, orbitofrontal cortex
explains connection between smells and emotions |
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anosmia
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loss of smell
caused by injury or infection broken connection between olfactory bulb and olfactory cortex lose the ability to smell you lose the abiltiy to taste |
