Sentences with phrase «brain size appeared»
Not exact matches
Homo habilis, the first of our genus Homo who appeared 1.9 million years ago, saw a modest hop in brain size, including an expansion of a language - connected part of the frontal lobe called Broca's area.
https://www.scientificamerican.com/
The major step-wise expansion in brain size around 1.9 Ma when Homo appeared was coeval with the occurrence of ephemeral deep lakes.
Areas deep in the brain, especially the amygdala and insula, appear to exhibit abnormal function reflected in overall decreases in resting state connectivity and smaller overall size.