Which of the following statements is NOT true in terms of the repairing damaged brains?
Correct answer: D. Transplants of dopamine cell bodies alleviate some of the symptoms of Alzheimer's disease in human patients
- A. Adult neurons can sometimes from new connections
- B. If one input to a target area is lost, the remaining inputs sometimes send out new branches from their axons to colonize the vacant space
- C. Although transplanted neurons taken from a brain at the right stage of development will grow in an adult host brain, they will not restore normal function
- D. Transplants of dopamine cell bodies alleviate some of the symptoms of Alzheimer's disease in human patients
Explanation
Dopamine-cell transplants have been investigated mainly for Parkinson's disease, not as an established treatment that alleviates Alzheimer's symptoms. Adult neurons can form new connections, and surviving inputs may sprout into areas left vacant by damage.
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