localisation and lateralisation

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Last updated 1:54 PM on 11/22/22
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37 Terms

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phrenology
a person's personality was reflected in the lumps and bumps of their skull
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localisation meaning
the specific part of the brain in which a function is carried out
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corpus callosum
bundle of fibres that is a communication pathway between the two hemispheres
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hemispheric lateralisation
when some physical or physiological functioning is controlled by a particular hemisphere
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for most people the brain is _____________
contralateral
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contralateral meaning
the right hemisphere controls the left side of the body and vice versa
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support for contralateralisation
stroke patients
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left visual field
everything seen to the left of both eyes
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right visual field
everything seen to the right of both eyes
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where is visual information processed from the left visual field?
the right hemisphere
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where is visual information processed from the right visual field?
the left hemisphere
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why is visual stimuli processed in the opposite hemisphere?
optic chiasm
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what is the optic chiasm
where the optic nerves cross over
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what other senses are contralateral?
hearing, taste and smell
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4 lobes of the brain
occipital lobe, temporal lobe, parietal lobe and frontal lobe
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which hemisphere(s) is the motor cortex found?
both
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where in the hemisphere is the motor cortex?
back of the frontal lobe
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what is the motor cortex?
involved in voluntary movement by sending signals to muscles
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which hemisphere(s) is the somatosensory centre found?
both
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somatosensory location
front of parietal lobe
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what is the valley called that separates the motor cortex and somatosensory centre?
central sulcus
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somatosensory centre function
processes sensory information to produce senses related to touch, temperature, pressure and pain
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which hemisphere(s) is the primary visual cortex found?
both
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primary visual cortex location
back of occipital lobe
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primary visual cortex function
receives and processes visual information e.g colour, shape and movement
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the primary visual cortex is _____________
contralateral
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which hemisphere(s) is the primary auditory cortex found?
both
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primary auditory cortex location
temporal lobes
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primary auditory cortex function
analyse sound based information
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the primary auditory cortex is _____________
contralateral
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what happens if the primary auditory cortex is damaged?
hearing loss
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which hemisphere(s) are the language centres found?
left
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what are the language centres called?
Broca's area and Wernicke's area
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Broca's area location
left frontal lobe (in front of motor cortex)
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Broca's area function
responsible for speech production
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Wernicke's area location
back of left temporal lobe
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Wernicke's area function
language comprehension