brain localisation Flashcards
brain locations
front - frontal lobe
top - parietal lobe
bottom - temporal lobe
back - occipital lobe
where is the motor area
at the top within the frontal lobe
where is broca’s area
in frontal lobe near the ear
where is the auditory centre
temporal lobe, near ear, under broca’s
where is wernicke’s area
middle of the temporal lobe
where is the cerrebellum
next to spinal cord under occipital lobe
where is the visual area
in the occipital lobe
where is somatosensory centre
top middle of brain in parietal lobe
what does the motor centre do
controls voluntary movement in the opposite side of the body
what does the somatosensory centre
sensory information from the skin is processed here
what does the visual centre do
receives visual information from each eye
the left visual field will be processed in the right hemisphere and vice versa
auditory centre
processes speech based information
broca’s area
mostly found in left hemisphere
responsible for speech production - if area is damaged - patients struggle to speak fluently
(broca’s aphasia)
what does wernicke’s area do
left hemisphere mostly
damage results in being able to speak however words lack meaning - problems understanding it
what is localisation of function
the idea that certain functions have certain locations or areas within the brain
holistic approach
in early 19th C - supported in holistic theory that all parts of brain involved in processing thought
now localisation theory
eval - strength - evidence
peterson et al - brain scans - show wernicke’s area active during listening and broca’s during reading - areas of brain have different functions
objective method for measuring brain activity - scientific evidence for localisation of function
eval - strength - case studies
Phineas Gage - serious brain damage
- affected his personality
- calm and reserved to quick-tempered and rude
- suggests frontal lobe responsible for regulating mood
limitation
lashley - removing different areas of cortex in rats learning a route through a maze
no difference seen in ability to learn after the surgery
processes such as learning are not localised but are processed more holistically
