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Definition
| detection of physical energy by sense organs which then sends information to the brain |
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| the brain's interpretation of raw sensory inputs |
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Definition
| the process of converting an external energy or substance into neural activity |
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| specialized cell responsible for converting external stimuli into neural activity for a specific sensory system |
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Definition
| specialized cell responsible for converting external stimuli into neural activity for a specific sensory system |
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Definition
| lowest level of stimulus needed for the nervous system to detect a stimulus 50% of the time |
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| just noticeable difference (JND) |
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Definition
| the smallest change in the intensity of a stimulus that we can detect |
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Definition
| constructing a mental understanding of a stimulus by putting together the raw sensory information into a complete whole |
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| constructing a mental understanding of a stimulus using our existing knowledge and expectations |
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| the influence that expectations have on perception |
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| process of selecting on sensory channel and ignoring or minimizing others |
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Definition
| the stronger the stimulus, the bigger the change needed for a change in stimulus intensity to be noticed |
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Definition
| photoreceptors in the retina of the eye |
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Definition
| hair cells in the cochlea |
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| olfactory cilia in upper part of the nasal passage |
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| multiple types of receptors in skin |
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| proprioception or kinesthetic sense |
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Definition
| our sense of body position |
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Definition
| our sense of equilibrium or balance |
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Definition
| receptors cells in the retina allowing us to see in low light |
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Definition
| receptor cells in the retina that allow us to see color |
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