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Hearing, Touch, Taste, and Smell
Transcript of Hearing, Touch, Taste, and Smell
Taste and Smell
Both taste and smell are chemical senses
Top Down Processing
Hearing and the Brain
Loudness, Pitch, and Location
number of hair cells that respond to stimulation
Place Theory: different sound waves trigger a response from hair cells in different locations in the cochlea
Frequency Theory: brain determines pitch by the frequency of neural impulses
one ear receives sound sooner and at a greater intensity
Five Basic Tastes
What does each taste tell us about the food?
Biology of Taste
Bump on tongue contains 200 taste buds
Each has a pore that catches food molecules
Each pore has 150-200 receptor cells
Biology of Smell
Experience and Smell
Basic Skin Sensations
Rubber Hand Illusion
Explain how top-down processing plays a role in each. (Note: Phantom Limbs video should start 9m30s into video)
Kinesthesis and Vestibular Sense
Kenisthesis: sense of position and movement of individual body parts
Vestibular Sense: sense of body movement and positioning, including balance
inner ear (semicircular canals)
Nociceptors detect harmful temperatures, pressure or chemicals and relay that information to the brain
Brain focuses on:
pain at the end
being around those in pain can increase pain response
social role expectations