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Information arriving from sense organs (ears, eyes, etc) |
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| Mental process of organizing sensations into meaningful patterns-what occurs at the level of the brain |
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| Transparent membrane covering the front of the eye; responsible for focus |
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| Structure in the eye that focuses light rays |
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| Light-sensitive layer of cells in the back of the eye |
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| Opening at the front of the eye through which light passes |
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| Visual receptors for colors and bright light (daylight); 6.5 million in each eye |
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| Visual receptors for dim light, produce black & white; about 100 million total |
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| ***ALL incoming visual information collects & transports to 1 impulse & travles from optic nerve to occipital lobe. |
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| At what level of the brain can you see picture? |
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| What sees the picture your eye or brain? |
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| Resistance to perceiving threatening or disturbing stimuli (Like the experiment with "dirty words" and new mothers) |
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| Perception of a stimulus below the threshold for conscious recognition (story of coca cola executive) |
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Color vision theory that states we have 3 cone types: red, green, blue
-other colors are produced by a mix of these
-black & white is produced by rods
(happens at the level of the eye) |
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Color vision theory based on 3 "systems": red, green, blue OR yellow, black, white
-exciting one color in a pair (red) blocks the excitation in the other member of the pair (green)
The theory is that the trichromatic theory works at the level of the eye; at the level of the brain the opponent process works |
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| Part of Opponent Process Theory; visual sensation that remains after stimulus is removed |
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| How long does it take humans to FULLY adapt to light? |
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| 30 minutes for eyes to adjust to dark |
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| Light-sensitive pigment in the rods; involved with night vision |
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| Three small bones that vibrate; link eardrum with the cochlea |
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| Amplifies sound waves 90x!! |
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| Snail-shaped organ that makes up inner ear; (the "true" organ of HEARING) |
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Receptor cells within cochlea that transduce vibrations into nerve impulses
-once dead they can never be replaced |
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| All _____ accumulate to __ nerve impulse that travels down the _______ to the _______ of the _____. |
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| vibrations; 1; auditory canal; temporal lobe; brain |
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| Hearing occurs at what level? |
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Poor transfer of sounds from tympanic membrane to inner ear
-compensate with amplifier (hearing aid) |
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Caused by damage to hair cells OR auditory nerve
-hearing aids useless in these cases since auditory messages cannot reach the brain |
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| Electronic device that stimulates auditory nerves |
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| Damage caused by exposing hair cells to excessively loud sounds |
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| By age 65, what percent of hair cells in the cochlea are lost? |
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| Colorless, odorless airborne chemical signal |
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| Sense organ for pheromones in animals |
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| Do humans have pheromones & can they be bottled in perfume or cologne? |
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| Not 100% sure humans can produce pheromones; remains CONTROVERSIAL |
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| Where are pheromones believed to be found in humans? |
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| Voluntarily focusing on a specific sensory input |
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| When sensory receptors respond less to unchanging stimuli |
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| Which of our senses adapts the quickest? |
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| Which NEVER adapts and WHY? |
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| Eyes never adapt because of *Physiological Nystagmus: eye is always moving in socket so it doesn't adapt |
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| Using mild pain to block more intense or long-lasting pain |
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| Subliminal messages can only mildly influence attitude, the message has to be simple |
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