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  #1  
Old 07-24-2011
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Neuro Talking like a Robot after head trauma!

A 37 year old woman came to her husband to the hospital, she said that he had head trauma a month ago, and since then their marriage is falling apart. She complains that he talks to her like a robot, he doesn't express his emotions. Examination would reveal lesion in
A) Right frontal lobe
B) Left frontal lobe
C) Right inferior frontal gyrus
D) Left inferior frontal gyrus
E) Right superior frontal gyrus
F) Left superior frontal gyrus
G) Angular gyrus
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  #2  
Old 07-24-2011
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Left inferior frontal gyrus
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  #3  
Old 07-24-2011
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by ruling out angular gyrus injury causes Gerstmann syndrome thats agraphia alexia acalculia
frontal lobe shows appearance of primitive reflexes no control over expression of emotions disinhibition especially in sexual behavior
superior frontal gyrus causes laughter
so left with D; believing the man to b right handed n left hemisphere to be dominant
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  #4  
Old 07-24-2011
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I'll Go with B.

Assuming that this guy is Right handed, i will go with B.

Answer D = Broca area, he wouldnt talk at all. If by Talks like a robot is "broken speech, that you dont understand at all what patient says.. then yes, is D, but B, is related to personality changes. Lack Affect, etc.
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Old 07-24-2011
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yup sure angular gyrus G and most probably the damaged vessels are lenticulostriate vessels
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Old 07-24-2011
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B. Left frontal lobe
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  #7  
Old 07-24-2011
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Star D

D) Left inferior frontal gyrus
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Old 07-24-2011
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ans angular gyrus--g
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  #9  
Old 07-24-2011
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left frontal lobe
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Old 07-24-2011
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Left frontal lobe?
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Old 07-24-2011
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i think B. left frontal lobe?
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  #12  
Old 07-24-2011
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Correct Answer The answer is C

The answer is C
The right lobe (which is the non dominant lobe in most) controls prosody......which is rhythm and how to convey emotions in the way we speak. So in Broca's dysprosody, the patient can talk fine but cant convey or express emotions in words hence "talks like a robot". And in Wernicke's dysprosody, the patient cant understand emotions.
In reality it is much much more complex than this, but we use this for the sake of USMLE
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  #13  
Old 07-24-2011
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a new concept for me didnt know this but good to ve a discussion on this
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  #14  
Old 10-03-2011
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B) Left frontal lobe
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Neuroanatomy-, Step-1-Questions, Syndromes-Acronyms

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