Brain Evolution Flashcards
What is convergent evolution?
Environment makes species similar e.g. Flying squirrel
What is the social brain hypothesis
Brain is bigger because humans have larger social networks
Criticism of social brain hypothesis
It is the complexity of groups that give humans a larger brain
Research about the sulcus*** fasciculus?
Smaller in non-human primates
Research on the cerebral cortex
The cerebral cortex have evolved more rapidly than others
Which fibres have been shown to have evolved rapidly and selectively?
Fibres connecting prefrontal cortex and pons nuclei
Criticism against humans are special from other non-human primates?
Don’t know what is special about humans
Who has the highest EQ score?
Humans (Actual size/ expected size = EQ)
What is homology?
Common physical traits shared by populations