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14 Cards in this Set
- Front
- Back
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Explain difference between Sensation and Perception. |
Sensation: buts of info that come from the senses. Perception: brain takes all the senses and turns into meaningful experiences |
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What's an absolute threshold? |
The intensity level that gives people a 50% chance to detect it |
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What's transduction? |
Changing physical energy into electrical signals |
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What's the path of light through the eye? (5) |
Cornea Pupil Lens Retina Optic nerve |
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What do rods detect? |
Shapes |
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What do cones detect? |
Color |
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What do rods and cones allow us to see?(2each) |
Rods: shades, dim lights Cones: colors, fine detail |
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Which part of the brain senses pain? |
Thalamus |
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How does our brain perceive pain? |
The signal is sent to the limbic system and parietal lobe and other association areas |
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How can we lessen pain? Explain. (2) |
-Gate Control Theory: rubbing or slapping the wound will interfere with the pain signals and shifts the brains attention -Endorphins: chemicals released by the brain when there's severe injuries, acts as morphine |
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How do we increase the pain? (1) |
-Dread: makes things feel more painful |
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What is the bottom-up perception? |
Piecing together sensory info based on available data from senses to form conclusion |
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What's the top-down perception? |
Using expectations to perceive sensory info |
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What is the saphir-whorf hypothesis? |
The idea that language influences our perception of the world |
