PSYB51H3 Chapter Notes - Chapter 4: Retinal Ganglion Cell, Inferior Temporal Gyrus, Visual Cortex
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Extrastriate cortex: the region of cortex bordering the primary visual cortex and containing multiple areas involved in visual processing. Lesion: in reference to neurophysiology, (1) a region of damaged brain, (2) to destroy a section of the brain. Figure 4. 3: visual pathways are very complex and there are a multitude of visual areas. Visual information from the eyes enters at the bottom of the diagram, via the retinal ganglion cells (rgc). Form the lgn onward, there are both feed-forward and feedback connections between areas. Figure 4. 4: figure shows the convoluted, wrinkled surface of the brain which has been flattened. Where pathways at the top, what pathways at the bottom. Agnosia: a failure to recognize objects in spite of the ability to see them (typically due to brain damage) Inferotemporal (it) cortex: part of the cerebral cortex in the lower portion of the temporal lobe, important in object recognition.
