Harvard Medical School seem to indicate that( 30 ).Pascua1- Leone observed what happened when certain sensory areas of the cortex were left unused for long periods.In one case,he discovered that the visual cortex of people who had been blind from a young age eventually began to process information obtained from other senses, such as hearing and touch.Later studies showed that even after severe trauma in adulthood,the brain can remap itself.If a stroke,for example,incapacitates the motor cortex controlling movement of the left leg,therapy can induce nearby neural groups to take over the damaged region's functions.
In the field of psychological therapy,our developing understanding
of the nature of the brain( 31 ).Take certain forms of mental illness,such as obsessive-compulsive disorder(CCD),in which people
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