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neurology/brain anatomy question...?
1. Patient suffers head injury in car accidnt, now has large blind areas in visual field, cannot see "shapes" of objects, etc.
2. Stroke victime diagnosed w/ agnosia (semantic agnosia) ; has to handle objects in order to remember their name.
Select area of brain damaged in each:
occipital lobe
right temporal lobe
Broca's area
limbic system
cerebellum
reticular formation
I know it's probably not the last three, but these are the choices. I'm confused because it seems both could be due to damage in occipital lobe, but can only use each one once. Since language is basically in the left temporal lobe, right temporal lobe didn't seem correct, either. Help!
To graydoc--I own "The Man Who Mistook His Wife for a Hat"--It's great! I read it in college while taking an abnormal psychology class. I love Dr. Sach's work. He has a new one out on music and the brain. (My daughter is actually the one with the homework for her AP psychology class--I'm trying to help her out!) And yes, we're still confused, but I think the worksheet she was given has room for improvement.
2 Answers
- greydoc6Lv 71 decade agoFavorite Answer
Tough question! Semantic agnosia is a subtype of visual agnosia, usually due to lesions in left occipital lobe or temporal lobes. Doesn't help, does it?
Lesions in the temporal lobe produce superior homonymous quadrantic defect in each eye.
After passing neurology by the skin of your teeth, you might enjoy Oliver Sachs "The Man Who Mistook His Wife for a Hat." It's several essays on unusual and rare presentations of neurological defects written in an engaging way.
- 1 decade ago
occipital lobe
right temporal lobe
Broca's area
limbic system
cerebellum
reticular formation
I know it's probably not the last three, but these are the choices. I'm confused because it seems both could be due to damage in occipital lobe, but can only use each one once. Since language is basically in the left temporal lobe, right temporal lobe didn't seem correct, either. Help!..... If I may just jump in as I am new, but wanted to see if I might be of any assistance in your daughter's assignment as my experience is based on the following, I was shot thru the brain in Viet Nam and am missing something like 1/3 of Brain matter. I have right parietal lobe as well as occipital damage.I think you are correct also as I have the later.
Source(s): please see above.:)
