Chan says, «It was important to recapitulate progressive changes in clinical measurements, such as cognitive behaviors and
neural anatomical changes as the Huntington's disease monkeys age.
We are now beginning to understand some facets of human emotionality, decision - making, morality, trauma and the drive for political power down to the cellular level, by observing
changes in neurochemistry,
neural pathways, and neuro -
anatomical transformations in the brain.