Human Brain Evolution & Development | Christopher Walsh | Episode 306

Send us Fan Mail How genomics is used to study what makes a human brain, and how genetically damaged neurons get removed. TOPICS DISCUSSED: Scale & Size: A human brain is about three times a chimpanzee brain by mass, but the larger change is extra association cortex and extra upper-layer circuits that talk mostly to other cortex.When Development Ends: Most cortical neurons are born before birth. Myelin and other glia keep forming into the twenties. Synapses keep changing after that.Broken...