PSYC 2410 Chapter : Vision.docx

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Perception: the higher order process of integrating, recognizing, making sense of sensations and interpreting patterns. Case example: the man who mistook his wife for a hat. Normal sense of vision but impairment in perception of visual system. Shown gloves and asked to describe (leather, has 5 pockets) what is it? (something that holds coins?) Specific to sense, different and respond to different stimuli. Receptors project to other structures, sub cortical. All except 1 project to thalamic nuclei (olfaction goes straight to cortex) Structures are specific to sense as well. Primary sensory cortex: specific to sensory modality, receives most of information directly from thalamic nuclei. Secondary sensory cortex: by and large also specific to sense, receive info from primary sensory cortex. Association cortex: receive input from multiple senses and integrate (e. g. touching and looking at object) Different brain areas involved in different processes or analysis.

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