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Your professor probably would say yes, but I'd have to say there is very little clinical data to support this either way. It can come in 2 forms, drug induced or from traumatic injury. Depending on the region of the brain injured. There is also episodic vs. semantic memory loss in relation to amnesia. A theory is the trauma or drug releases electrical pulses from the micro tubules in a "tidal wave". Normally a specific sequence of pulses creates a thought, memory, etc. but the trauma or drug disorganizes the release and creates, or does not creat memory. Not a fact, just a thought.
The more applicable factor to me would be the age and cognition of the person. If the brain can creat new pathways you can possibly have a better recovery. Imagine going on a cross country trip. You get out the old road map and chart your course. Along the way you run into road construction (the damaged areas in the brain (cortex, lobes etc.) so if you are resistant to changing your course (your brain is not open to change, learning and reorganizing) you are going to be stuck until the road is fixed, which as we know with road construction, sometimes it seems like it NEVER happens. OR, you could find an exit and take an alterante route (the brain re maps to transfer data, just via a new route). So in a sense the saying "You can't teach an old dog new tricks" is somewhat true, since neurologically it is somewhat more difficult and in cases, impossible. SORRY O.D. :-)
This all may hold true with regaining memories. Nothing is ever "lost" in our brain, it is just misplaced and it is a matter of finding it all and putting it back together to form the memory.
This is probably a test question? I'm guessing? You can tell your professor that is is nearly impossibly to form a hypothesis for this theory because of the multitude of currently untestable factors. It is all pure speculation. Women's brains SEEM to map thoughts differently then men, but this is still pretty new info. Not all women even map in the same manner. This is a no win question on an exam.
Additional reading: http://brainmind.com/Amnesia.html
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