1.4c - The Brain: Damage Response and Brain Hemispheres
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5 Terms
neurogenesis
the formation of new neurons
split brain
having separate brain hemispheres from surgery severing the corpus callosum connecting them (treat severe epilepsy!)
What happens in neuroplasticity?
build new pathways
functions migrate/taken by other brain parts
‘unused’ brain areas available for other uses [ex: blind person better sound/smell]
Left hemisphere excels in vs. right hemisphere excels in
speech // optical, inferences, modulating speech, self-awareness
In split brains, what do the left hemisphere and right hemisphere see/process?
Left: sees from right eye, control right side, speech 🗣
Right: sees from left eye, control left side, optical 👁
*if ask what they saw, will respond what they saw from RIGHT EYE (left hemi = speech), hand will move with what they saw with corresponding eye (eye opposite from hemisphere opposite from hand) [ex: see apple with right eye, in left hemisphere, if ask to move right hand to point to what they saw will point to apple!]