PSYB65H3 Chapter 4: Laterality
Document Summary
Harder to determine with no linguistic or right hand motor skill when lh is damaged: there is constant communication between the two sides, both work together to interpret ex. Split brain: both sides connected by commissures (anterior posterior), corpus callosum, habenular commissure and hippocampal formation, cats. With these patients discovered than rh comprehends spoken and written words ; unable to speak or write; is capable of arranging letters to spell 3 or 4 letter words; is specialized for recognition of faces (used chimeric faces) Intracarotid amobarbital testing: aka wada test, used to assess the laterality of language in people who are going to be having brain surgery. Then assess cognitive functioning of patient: have shown that most people show lh dominance for speech though some show bilateral (have some type of interference with different language functions) or rh (in left handers)
