EPHE 245 Lecture Notes - Lecture 14: Hebbian Theory, Basal Ganglia, Motor Program

• School: University of Victoria
• Department: Exercise Science, Physical and Health Education
• Course: EPHE 245
• Professor: Olav Krigolson

Document Summary

Shows that the human brain is encoding prediction error. Compute prediction errors and the dopamine system carries them. Review: the dopamine system attaches at all these synapses. Purpose of dopamine: causes changes at the neuronal level. Tre(cid:374)gthe(cid:374) the (cid:272)o(cid:374)(cid:374)e(cid:272)tio(cid:374) (cid:894)i(cid:374)(cid:272)rease nt"s, re(cid:272)eptors, physi(cid:272)al (cid:272)o(cid:374)(cid:374)e(cid:272)tio(cid:374)s we now this happens after hebbian learning) Happens through repetition ltp like state occurs. When pe computed there is a phasic spike in dopamine. External input (you are playing tennis) controller (acc forehand and backhand, selects btwn response options) response output (what to program, what skill are we using) Feedback monitor (basal ganglia, ventral striateum collection of nuclei, plays a key role in (cid:272)o(cid:373)puti(cid:374)g pe"s(cid:895) Arrow from response output to monitor called expectation and from monitor to controller called. A level material is to match where the motor program to the part of the brain. Sma seems to be really involved in sequencing actions, order of events.