Brain Lesions Flashcards
Amygdala
Kluver Bucy syndrome: loss of inhibition
- hyperphagia, hypersexual, curious oral fixations
- docile
- loss of fear (may be friendly)
- associated with HSV
Frontal Lobe
Loss of orientation, judgement and concentration
primitive reflexes may re-emerge
Frontal eye field deficit: eyes toward side of lesion
Non-Dominant parieto-temporal lobe
At the angular gyrus
Hemispatial neglect syndrome
C/L side of world is gone - only recognize one half of the field of vision
Dominant Parieto-temporal Lobe
Gerstmann syndrome
- agraphia, acalculia, agnosia, left-right disorientation
Reticular activating system
Coma, decreased consciousness
Mammillary Bodies
CAN of beer
Confabulation, confusion
Ataxia
Nystagmus
opthalmoplegia, anterograde and retrograde amnesia, confabulation, change in personality
** do not give thiamine deficient individual glucose–> cerebral damage due to osmotic changes
(body unable to use glucose because B1 deficiency means Pyruvate dehd, and aketoglu. are not functioning- glucose cannot be used as an energy source
==> test with transketolase enzyme)
Basal Ganglia
RESTING TREMOR
chorea
atheosis
Huntingtons disease
Parkinsons disease
Cerebellum
INTENTION TREMOR
Limb Ataxia, loss of balance
deficiets ipsilateral to cerebellar lesion
Cerebellar Hemisphere
INTENTION TREMOR
Limb Ataxia, loss of balance
deficiets ipsilateral to cerebellar lesion
Cerebellar Vermis
Truncal ataxia, dysarthria
Subthalamic Nucleus
Contralateral Hemiballismus
Hippocampus
Antergrade amnesia- no new memories
PPRP
eyes look away from PRPP lesion
FEF
eyes look toward the FEF lesion
