Dr. Susan Colligan

"Memory is made up of many circuits in the brain, and dozens of causes can destroy these sensitive connections," says Susan Colligan, Ph.D., head of neuropsychology at John Muir Rehabilitation Services.
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"There is a lot of hope," confirms Dr. Colligan.

"No player should be returned to practice or a game until a proper time for healing is allowed," explains Susan Colligan, Ph.D., Neuropsychology and Brain Injury clinical director at the John Muir Neurosciences Institute.