1. ________ 2. ________ 3. ________ 4. _______ 5. ________ 6. _______ 7. _______, 8.______ & 9....
TRANSCRIPT
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1. ________2. ________ 3. ________
4. _______
5. ________
6. _______7. _______, 8.______ & 9. _______
1. Auditory canal 2.
Eardrum
3. Oval Window
4. Cochlea
5. Auditory Nerve
6. Semicircular Canals
7. Malleus Hammer)
8. Incus (Anvil)
9. Stapes (Stirrup)
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Localization of Sounds
Because we have two ears, sounds that reach one ear faster than the other ear
cause us to localize the sound.
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Localization of Sound
1. Intensity differences2. Time differences
Time differences as small as 1/100,000 of a second can cause us to localize sound. The head acts as a “shadow” or partial sound
barrier.
Sound Localization Demonstration – Myers Resources
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Touch
The sense of touch is a mix of four distinct skin senses—pressure, warmth, cold, and pain.
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yers
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ne/ G
etty
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ages
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Pain
Pain tells the body that something has gone wrong. Usually pain results from damage to the skin and other tissues. A rare disease exists in
which the afflicted person feels no pain.
Ashley Blocker (right) feels neither painnor extreme hot or cold.
AP Photo/ Stephen M
orton
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Gate-Control Theory
Melzack and Wall (1965, 1983) proposed that our spinal cord contains neurological “gates” that either block pain or allow it to
be sensed.
Gary C
omer/ PhototakeU
SA.com
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Pain Control• Pain can be controlled by a number of
therapies including, drugs, surgery, acupuncture, exercise, hypnosis, and even thought distraction.
• Rubbing an area that is sore can sometimes decrease the pain, because it overloads the sensory neurons in the area.
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SmellLike taste, smell is a chemical sense.
Odorants enter the nasal cavity to stimulate 5 million receptors to sense smell. Unlike taste, there are many different forms of
smell.
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Smell and Memories
The brain region for smell (in red) is
closely connected with the brain
regions involved with memory (limbic system). That is why strong memories are
made through the sense of smell.
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Sensory Interaction
When one sense affects another sense, sensory interaction takes place. So, the
taste of strawberry interacts with its smell and its texture on the tongue to produce
flavor.
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Taste
Traditionally, taste sensations consisted of sweet, salty, sour, and bitter tastes.
Recently, receptors for a fifth taste have been discovered called “Umami”.
Sweet Sour Salty Bitter Umami(Fresh
Chicken)
Jelly Bean Activity - Meyers
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Body Position and MovementThe sense of our body parts’ position and
movement is called kinesthesis. The vestibular sense monitors the head’s
position.
http://w
ww.heyokamagazine.com
Whirling Dervishes Wire Walk
Bob D
aemm
rich/ The Im
age Works
Vestibular Sense Demonstration - Meyers
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Selective Attention - Preview
Asking for Directions Invisible G
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Perceptual Constancy
• Perceptual Constancy: perceiving objects as unchanging despite changes in retinal image
•color•shape •size
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Interplay Between Perceived Size and Distance