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While deployed to Agfanistan, a soldier steps on a landmine and loses the lower portion of his right leg and also sustains a substantial brain injury. In time, doctors observe that the soldier is not acquiring new long-term memories since the explosion occurred; however, his recollection of times previous to the explosion is impeccable. Sometimes the soldier can feel a tingling sensation in his missing limb.
-Over time, the soldier's phantom limb syndrome subsides and he rarely "feels" his missing limb. This is an example of
A)neural plasticity.
B)somatosensory regeneration.
C)autonomic arousal.
D)reticular formation.
E)sympathetic response.

Question

Quizplus · Accepted Answer

The soldier's brain is demonstrating neural plasticity by adapting to the loss of his limb and the brain injury. The brain is able to rewire itself to compensate for the loss, and sometimes this can involve changes in sensory perception, such as in phantom limb syndrome.

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