Questions and CORRECT Answers
Wernicke's - CORRECT ANSWER - Receptive Speech.
Posterior part of Superior Temporal gyrus. Broadman 22
Broca's - CORRECT ANSWER - Expressisve Speech.
Posterior part of Inferior frontal gyrus.
Broadman 44 & 45
Auditory - CORRECT ANSWER - Herschel's gyrus
Broadman ?
Multiple Subipal Transection - CORRECT ANSWER - LKS
Sturge Weber Syndrome
Hemispherectomy - CORRECT ANSWER - Rassmusens
Multilobular resection - CORRECT ANSWER - Sturge weber Syndrome
Corpus Callostomy - CORRECT ANSWER - LGS
Cortical responsses recorded over the Supplemental Motor cortex to median nerve SSEP -
CORRECT ANSWER - Positive Nearfield Responses
Best HFF for invasive monitoring - CORRECT ANSWER - 150Hz
PET - CORRECT ANSWER - Decreased glucose uptake.
,Rassmussen's widespread hemispheric hypometabolism.
Proximal - CORRECT ANSWER - Stimulation of Median nerve stomatosensory EP,
cathode is placed?
Gamma knife - CORRECT ANSWER - Hypothalmic hamartoma
Expressive Aphasia - CORRECT ANSWER - cortical stim near inferior frontal gyrus
Neuronal injury - CORRECT ANSWER - SE can result in injury after 30min
SE Treatment - CORRECT ANSWER - Treatment should begin within 5min
SPECT - CORRECT ANSWER - Hypoperfusion
Increased Latency on sensorimotor cortical potentials - CORRECT ANSWER - Decrease
in body temp
Non-eloquent cortex - CORRECT ANSWER - Functional mapping is used to define &
confine the excision to?
Positive Polarity P22 - CORRECT ANSWER - Polarity & electrode signal generates from
the motor cortex when doing phase-reversal monitoring
Cervical myelopathy - CORRECT ANSWER - May inhibit sensorimotor localization
After discharges - CORRECT ANSWER - Accurate eval of Lang. interruption during stim
must have the absence of AD's
, Sphenoidal electrodes - CORRECT ANSWER - Anterior tip of temporal lobe
Bilateral through skin below zygomatic arch towards foramen ovale
3-4cm
EEG amplifiers - CORRECT ANSWER - LFF 0.5
HFF 70Hz
CMR atleast 60dB
noise level <1uV rms
Input impedance atleast 1Mw
dynamic range atleast 40dB
EEG requirements - CORRECT ANSWER - Record 24hrs
32-64 channels
Storage 30gigabytes or 24hrs
Basal Extracranial Electrodes - CORRECT ANSWER - Mesial or anterior temporal lobe,
region of foramen ovale
days to weeks
Grids - CORRECT ANSWER - Platinum or stainless steel in soft silastic
each grid 4-64 contacts (mm to 1cm)apart
Requires crainiotomy