NSCI 1051 Study Guide - Midterm Guide: Lateral Geniculate Nucleus, Motor Neuron, Lisa Lopes
6 Dec 2016
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Figure 12. 6: blue is where you can see, black is where you cannot see. A: right optic nerve; cut this off and you will lose vision in right eye in both visual fields. B: optic chiasm, you lose info that crosses if you damage this. Left visual field in right eye or right visual field in left eye. If you lesion the right optic chiasm, you lose vision in both eyes because . Right optic tract = left visual field. As you keep moving down in visual system, visual cells still have receptive fields but they become pickier. Further and further down, you feature detectors become more complex. Hypercomplex cells have on/off option for receptive field. Retina, optic nerve, optic chiasm, optic tract, lateral geniculate nucleus, Where in the cortex is the primary . Spinal reflexes: sometimes need sensory neuron input and motor neuron output; pain can also cause reflex.
