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21 Cards in this Set
- Front
- Back
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perception
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result of processes that construct mental representations of the information available in the environment
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blindsight
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vision without awareness as a result of lesions in the occipital cortex
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pattern recognition
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step between transduction and perception of stimulus in environment and its categorization as meaningful object
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agnosia
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failure of pattern recognition caused by brain lesions
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apperceptive agnosia
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object recognition fails due to difficulty identifying VISUAL FEATURES of a perceptual category
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associative agnosia
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object recognition fails due to difficulty identifying FUNCTIONAL FEATURES that define a semantic category
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top-down/conceptually driven processes
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expectations derived from LTM that guide pattern recognition & memory encoding
i.e. driving to work |
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bottom-up/data driven processes
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analysis of incoming data held in SENSORY memory during pattern recognition & memory encoding
i.e. driving somewhere you've never been before |
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word superiority effect
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recognition of a single letter faster than in the context of a whole word than as an isolated letter
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change blindness
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failure to recognize large changes in visual scenes
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distinctive features
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perceptual features that distinguish one object from similar objects
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structural descriptions
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consider the relations among features during pattern recognition
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module
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automatic, fast, & encapsulated set of processes
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holistic processing
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perceiving the whole object
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analytic processing
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perceiving the features that compose the whole
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prosopagnosia |
selective inability to recognize faces |
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phoneme |
smallest unit that represents meaning |
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speech spectrogram |
physical acoustic energy of an utterance |
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coarticulation |
each segment of the acoustic signal provides information about multiple phonemes at the same time |
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categorical perception |
categorization of speech input at the phonemic level |
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formants |
bands sound of energy at particular frequencies in a speech signal |
