Holley, NY. Holley is located in west New York. Holley is between the Orleans, Monroe county. Holley has 1.27 square miles of land area and has no water area. As of 2010-2014, the total Holley population is 2,011, which has grown 11.60% since 2000.
A concussion can be caused by direct blows to the head, gunshot wounds, violent shaking of the head, or force from a whiplash type injury. Both closed and open head injuries can produce a concussion. A concussion is the most common type of traumatic brain injury.
1 Second Impact Syndrome, also termed recurrent traumatic brain injury, can occur when a person sustains a second traumatic brain injury before the symptoms of the first traumatic brain injury have healed. 2  The second injury may occur from days to weeks following the first. 3  Loss of consciousness is not required.