lecture07 object recognition

lecture07 object recognition - Lecture 7: Object...

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Unformatted text preview: Lecture 7: Object Recognition Psych 123 Cognitive Neuroscience Visual Areas of the Human Cerebral Cortex Dorsal stream: visual information that flows from the primary visual cortex to the parietal cortex, thought to specialize in visual spatial perception (what vs. where theory) or visually guided behavior (action vs. perception theory). Ventral stream: visual information that flows from the primary visual cortex to the inferotemporal cortex, thought to specialize in visual pattern recognition (what vs. where theory) or conscious visual perception (action vs. perception theory). The Dorsal Pathway Damage to the dorsal pathway can impair a persons ability to visually perceive spatial information, like the orientation of an object. Patient DF could not orient a handheld card in the same orientation as the groove in a disk (a ) , but she could accurately place the card within the groove (b ) . The Ventral Pathway Damage to the ventral pathway can impair a persons ability to visually perceive and recognize objects. Visual Agnosia: inability to recognize visually presented objects.recognize visually presented objects....
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lecture07 object recognition - Lecture 7: Object...

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