biopsychology: hemispheric lateralisation + localisation of brain function Flashcards
brain lateralisation?
2 halves of brain not exactly alike, each is responsible for different functions
contralateral organisation?
right hemisphere controlling left, left hemsiphere controlling right
motor area?
controls voluntary movement
somatosensory area?
recieves info from skin to produce pain
visual area?
recieves + processes visual info
auditory area?
responsible for analysing + processing acoustic info
broca’s area?
left h: speech- if damaged: poor/ absent grammar, know what they want to say but can’t say it (broca’s aphasia)
wernicke’s area?
left h: language- vital for locating words from memory, if damaged: wernicke’s aphasia, can’t produce meaningful sentences
tan?
left frontal lobe degeneration in broca’s area. broca did post morten study + found lesion so claimed he had motor aphasia
dronkers?
did mri on tan’s brain, found evidence to suggest other areas may have contribute to failure in speech- concludes that the broca’s area might not be only region responsible for speech
dejerine?
wernicke said areas of brain must interact to function, dejerine reported man who damaged connection between visual cortex + wernicke’s area + couldn’t read, therefore, damage to connections between any 2 points result in impairments that resemble damage to localised brain region associated with specific function
lashley?
claims higher cognitive functions like learning not localised to one area, she removed areas of cortex in rats when they were learning a maze, found learning required every part of brain
herasty?
women have larger broca+ wernicke’s area than men- observed by scanning techniques. saying men + women are same in terms of areas of brain is form of beta bias
