hemespheric lateralisation of the cerebrum

HLC

• highly wrinkled=high SA

• two hemisphere joined at the corpus callosum

• left=recieve info from right and vice versa

spilt brain paitients

• epilepsy cure=cut corpus callosum

• ended up with diff personalties

• karen byrne=alien hand syndrome

kim peek

• born with no corpus callosum

• could read 2 books at the same time with each eye

• megasavant=good memory

• contradicts roger speary

roger speary

• researched spilt brain patients

• did a series of tests on patients

• covering eyes and asking to either draw or describe object

• right side of the brain=creative and spatial awareness and could draw but not describe

• left side=describe objects but cannot recognise faces or draw

eval of roger sperry

• use of empiracl methods

• paitients were heavily medicated, no control group, brain trauma due to epilepsy