Ch2Cognitionnotes

Ch2Cognitionnotes - Fundamentals of Cognitive Psychology...

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Fundamentals of Cognitive Psychology Chapter 2 Perception
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Perception Sensation as transduction of physical energy in the environment into an initial mental representation stored in sensory memory. Recognition of objects and events is the end result of fast perceptual processing. Unconscious perceptual processing actively constructs consious mental representations.
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Visual Consciousness Transduction of the visible spectrum (400 nm to 700 nm) of electromagnetic radiation. Crossing of the visual pathways from retina to primary visual. Left visual field represented in right hemisphere.
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Visual Consciousness A critical periods for cortical development in cats show that primary visual cortex is necessary for visual consciousness. Blindsight in humans: Damage to primary visual cortex eliminates visual consciousness but a second pathway allows accurate discrimination.
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Refers to the step between the transduction and perception of a stimulus in the environment and its categorization as a meaningful object. Agnosia—failure of pattern recognition
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Ch2Cognitionnotes - Fundamentals of Cognitive Psychology...

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