September 12, 2014

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Senses of Hearing and Taste

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Sensation and PerceptionHearing and Taste

Up to 4000 hZ: All hairs fire in sync with the frequency of the sound (Temporal Coding)

Over 4000 hZ: Different areas of the Basilar Membrane fire depending on the frequency of the sound (Place Coding)

Temporal Lobe processing:

Primary Auditory Cortex

Right PAC: Left Ear

Left PAC: Right Ear

Localization

Sound reaches our ears at different times

You don’t know it but your brain does

Your brain does the localization for you.

Emotional Processing

Sensation and PerceptionTaste and Smell

Sensing and Perceiving Taste

Basic taste detection

SweetSourBitterSaltyYUMMY (taste intensity)

Different tastes are NOT located on different parts of the tongue

All different taste buds are uniformly distrubuted on the tongue and in the throat

Just like combinations of colors create millions more, combinations of taste bud responses, processed in the brain lead to…...

Sensing and Perceiving Taste

Other factors in taste perception