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Definition
| what occurs when a stimulus activates a receptor |
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Definition
| the organization of sensory information into meaningful experiences |
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Definition
| the study of the relationships between sensory experiences and the physical stimuli that cause them |
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| the weakest amount of stimulus that a person can detect half the time |
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Definition
| the smallest change in physical stimulus that can be detected half the time |
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Definition
| the principle that for and change in a stimulus to be detected, a constant proportion of that stimulus must be added or subtracted |
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Definition
| the study of peoingple's tendencies to make correct judgements in detecting the presence of stimuli |
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Definition
| the opening in the iris that regulates the amount of light entering the eye |
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Definition
| a flexible, elastic, transparent structure in the eye that changes its shape to focus light on the retina |
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Definition
| the innermost coating of the back of the eye, containing the light-sensitive receptor cells |
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| the nerve that carries impulses from the retina to the brain |
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Definition
| the process of combining the images received from the two eyes into a single, fused image |
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Definition
| the differences between the images stimulating each eye |
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Definition
| the nerve that carries impulses from the inner ear to the brain, resulting in the perception of sound |
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Definition
| three semicircular canals that provide the sense of balance, located in the inner ear and connected to the brain by a nerve |
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Definition
| the nerve that carries smell impulses from the nose to the brain |
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Definition
| the sense of movement and body position |
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Definition
| the experience that comes from organizing bits and pieces of information into meaningful wholes |
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Definition
| brief auditory or visual messages that are presented below the absolute threshold |
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Definition
| the apparent movement of stationary objects relative to one another that occurs when the observer changes position |
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Definition
| the tendency to perceive certain objects in the same way regardless of changing angle, distance, or lighting |
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Definition
| perceptions tht misrepresent physical stimuli |
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Definition
| an ability to gain information by some means other than the ordinary senses |
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