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31 Cards in this Set
- Front
- Back
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visual agnosia
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inability to recognize objects because of general intellectual loss or loss of basic sensory abilities
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apperceptive agnosia
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can't recognize simple shapes
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associative agnosia
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can't recognize complex objects
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fovea
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detects fine detail
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geniculate nucleus
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perceives details and recognizese objects
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parietal regions
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spatial information
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temporal cortex
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identifies objects
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cortical column
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where sense of vision/hearing takes place
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2 1/2 D sketch
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where various visual features are relative but doesnt represent the environment
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3D model
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representation of objects in a visual scene
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template matching
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retinal image transferred to brain which then compares it to various stored patters and templates
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fusiform gyrus
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where facial recognition takes place in the brain
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stereopsis
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can still see depth when close one eye
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occlusion
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closer images cover further images
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motion parallax
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view changes more when close to moving object
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2 1/2 D
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more information about up/down and right/left than depth
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bottom up
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piecing together smaller information to form a grander idea
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top down
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gain insight from previous knowledge
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McGurk effect
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vision and sound used to distinguish phonemes
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Attention
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ability to select some inputs to process and ignore others
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goal driven attention
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trying to do some task and ignoring other things around you
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stimulus driven attention
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like a loud noise or someone saying your name
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Dichotic listening task
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different inputs into each year and can't remember much about unattended ear
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Filter Theory
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blocks out signal that you dont want to attend to based on physical properties
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Attenuation Theory
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less intense signal for unattended but not completely blocked out
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Late Selection Theory
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input not attenuated but when try to respond, dont have the capacity to shadow so turn off one of the messages
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late selection
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after many levels of brain processing- semantic processing
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early selection
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upfront and at the retina- sensory
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Neisser and Becklen Study
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2 superimposed films and had to follow specific events and notice unusual ones
ex: moonwalking bear |
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O'Craven et al Study
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mixtures of buildings and faces and asked to attend to one
- faces: fusiform gyrus - places: hippocampal place area |
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visual sensory pathway
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eye
optic chiasm lateral geniculate nucleus superior colliculus visual cortex |
