PSYC 2240 Lecture Notes - Lecture 6: Basal Ganglia, Substantia Nigra, Caudate Nucleus
11 Jan 2019
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October 25, 2018: we have an incredible system in the brain that allows us to make movements and not do the movements we don"t want to do. We don"t even have to think about this movement, it is a very fluid and smooth kind of activity. This system is referred to as basal ganglia (bg) group of subcore nuclei (deep inside the brain): portions that make up the bg: caudate nucleus, putamen together make up the striatum. Then we have the globus palladus (which has 2 portions externus (on the outside of globus pallatus) and internus (inside of the palladus)). Then we have the subthalamis nucleus and substantia nigra: the input goes into the caudate nucleus (with regards to movement), output is part of the globus palladus and substantia nigra. Certain types of stimuli or environments can drive you to behave or move in a certain way. There are also different loops and circuitry in the brain, involving the bg.
