NEUR 3200 Midterm: Module-15-Central-visual-pathways

• School: Carleton University
• Department: Neuroscience
• Course: NEUR 3200
• Professor: John Stead

Document Summary

Information coming in from the temporal side of the retina comes from the right side of the body. Information is relayed to the optic chiasm: stays ipsilateral down the left optic tract, projects to the left geniculate nucleus of the thalamus, to the v1 cortex, be familiar with the function of the tectopulvinar pathway. Lgn neurons respond to similar stimuli as retinal ganglion cells. Lgn has 6 layers: be generally aware of the difference in the type of information carried by m cells and p cells. M cells carry information about movement: carry information about colour and detail, be familiar with the types of stimuli that result in maximal responses within v1 neurons. Most v1 neurons respond primarily to bars and edges in a specific orientation. The preferred orientation is the direction of bar/edge that elicits maximal response from a neuron. V1 cortex is an example of columnar cortical organization. Within each column, cells will respond to similar stimuli.