L64 PNP 200 Lecture Notes - Lecture 7: Visual Cortex, Ai Winter, Multiple Realizability
13 Feb 2018
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Neuroscience didn"t feature prominently in the early days of cog sci, justified by. Widespread view that neural details are "merely implementational" Development of new technologies for studying cognition is the brain (opposed to neuroanatomy) i. ii. Functional data derived from lesion studies on the brain. Illustrates a bottom-up approach to studying cognition and illustrates how. "boxology" can connect up with the brain to. Each box represents a specific function or information processing. Projects to primary visual cortex (aka striate cortex/v1) Identifying two different and dissociable types of visual information- processing. After ablation (a cut) of prestriate cortex hamsters were unable to learn simple pattern discriminations. But remained able to orient towards visual stimuli. Ablating the tectum preserved pattern discrimination, but abolished visual. Ablating the tectum preserved pattern discrimination, but abolished visual orientation. But the tectum is a sub-cortical structure (part of the mid-brain) Brain-damaged patients damage to parietal and temporal loves produces different types of impairment.
