Lec 09.docx

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17 Apr 2012

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Lec 09:
Neuropsychological screening:
- diarrhea: speech disfunction
- normal pressure hydrocephalus
- ventricle: fluid filled spaces: which can be enlarged, which means that there is internally increased pressure, to
determine whether they have the hydrocephalus, so they have to remove some of the fluid through the spinal cord ,
when there is low they have to inject fluid..
- atrophy: shrinking of brain due to loss of gray cells: neural death
- paraneoplastic: shows a possibility of a tumor, or cancer, but also other mechanisms that cause this…
- atrophy of corpus callosum: allows cross talk with the two hemispheres, and it is in the middle of the brain
- agenesis of corpus callosum: doesn’t have corpus callosum
- ADL: deficiencies of the daily routine life
- cognitive and emotion difficulties: memory difficulties, she has labile affect: unstable
Gate: wide based gate: she walked weird.. She fallen over
- cellebelur distharthia: where her voice doesn’t sound like that
- she didn’t have the strongest cognitive reserve
Corpus Callosum:
- connects with the left and right hem: the integration is this
(4) subsections of the brain:
-> Frontal lobe : motor control, reasoning and judgment (when asked to move your finger, motor strip is activated) -
SMELL is different, it is in the base of the frontal lobe
-> Parietal Lobe: somatosensory information processing
-> Occipital lobe : visual perception : primary visual cortex
-> Temporal lobe : auditory informationL hippocampus, memory : this is what is involved in diff types of
neurological disroders: epilepsy
Left hem: verbal language and linear thinking
Right hem: visul perception and integrating the whole
Executive function: highest level of function: organizing goal directed behaviour
- her achivement and intelligence show if it is in the low to avg brain level of cognitive reserve
Attenitonal systems:
Orienting: directing your attention to something , like a stimuli
Selcting: to identify a single : selective attention to cut through extraneous chatter that’s going on
Divided: multitasking
Sustained: staying attention over a long period of time..
- testing these is through stroop tests to measure all this, and digit span test, even in the intelligence test, and they did
that in the RBANS test
Motor/coordination systems:
- cerebellum: coordinates muscle tone, posture, and hand eye movements
- homunculus : how much of the motor cortex ix devoted to diff motor functions.. And on the somatosensory cortex
and they contribute to a different conceptual way
Memory systems:
-neuropsychological tests: epidodic (memories of life events AND anything that you learn and acquire on a daily
basis) semantic memory: general knowledge.. Basic knowledge
- structgures of the brain: hippocampus, involved in the long term memory
Language :
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