Which procedure would be used to track changes in brain activity following traumatic brain injury suffered as a result of a concussion?

Question

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Functional MRI (fMRI) is the best choice to track changes in brain activity following a traumatic brain injury. An fMRI uses a magnetic field to measure changes in blood flow to different areas of the brain, which indicates changes in brain activity. This can be used to identify areas of the brain affected by injury and monitor recovery over time. CT scans, nerve conduction studies, and electromyography (EMG) are not typically used for this purpose. CT scans show the structure of the brain but do not provide information about activity, while nerve conduction studies and EMG are used to evaluate nerve and muscle function.

Which Procedure Would Be Used to Track Changes in Brain