Exam 10: Brain Damage and Neuroplasticity

In a classic study, Sanes and colleagues (1990) transected motor neurons that controlled the muscles of the vibrissae of rats. Several weeks later, stimulation of the area of motor cortex that had previously moved their vibrissae

Regeneration of CNS neurons has been promoted by implanting

Transplanted __________ sheaths have been used successfully to treat transected spinal cords in experiments on laboratory animals.

Illustrated here are EEG discharges characteristic of

In about 90% of patients with Parkinson's disease, there is clear evidence that the disease was caused by

The symptoms of Parkinson's disease are temporarily alleviated in some patients by injections of

Neurological disorders are rarely caused by dominant genes

Down syndrome is

Contusions

MPTP in humans produces a disorder virtually identical to severe

Simple and complex are the two major categories of

When there is a disturbance of consciousness following a blow to the head and there is no evidence of physical damage, the diagnosis is

Necrotic cell death

Currently, people with Huntington's disease live for an average of __________ after the first appearance of symptoms.

Tardive dyskinesia is caused by

What percentage of people carrying the Huntington's gene develop the disorder?

Huntington's disease is caused by

If one of your parents develops Huntington's disease, the probability that you will also develop it is

The process by which neurons passively die as the result of injury is

Although L-DOPA does have some beneficial effects, it is not a solution to the problem of Parkinson's disease because it