Central pattern generators

Eve Marder (Brandeis University) Part 1: Introduction to Central Pattern Generators
Jan 17, 2013

In Part 1, Marder introduces us to central pattern generators (CPGs), the circuits in the nervous system that control rhythmic movements such as walking or breathing. She goes on to explain that the stomatogastric nervous system from crustaceans is an excellent model system for studying CPGs, in part, because the connectivity of all the major neurons is known. Using the stomatogastic system, Marder and colleagues have asked how rhythmic circuits are generated and maintained over the life of the animal.

16:10 What generates the rhythm?
– Bursting pacemaker neurons (or oscillators) can drive rhythmic circuit
– Emerge from circuit interactions
+ reciprocal inhibition …


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