PSYC 212 Lecture 7: Visual Cortex - LGN
29 Jan 2019
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Document Summary
Contralateral representation of visual space: information from the nasal part of the retina crosses to the other side of the brain. Optic chiasm: info coming from temporal side will remain on the same side, whereas info on the nasal side will be inverted when going into the eyes. Thalamus for perception: important for dispatching sensory information to the core parts of the brain: what happens in lateral geniculate nucleus: Layers 1 and 2 are magnocellular, meaning that they receive input from ganglion cells. Respond best to fine spatial details of stationary objects. Each lgn receives signal from one eye only. Wont ask to remember precise numbers but the general concept. Retinotopic mapping: with every spot on the retina will be a specific spot for the parts of the lgn. Rgcs with adjacent receptive fields connect to adjacent neurons in the lgn. Located at the tip of the occipital lobe.
