Commotio Cerebri: Cerebral Concussion and the Postconcussion Syndrome in Their Medical and Legal Aspects

actual acute alterations animals appeared associated assumed basis believed blood blow brain cause centers century cerebral cerebrospinal fluid changes circulation clinical commotio cerebri commotion compensation complete compression concept conclusion concussion consciousness consequence consideration considered contusion course craniocerebral injury described develop direct disturbances early effects effects of concussion essential evidence experience experimental fact factors finally findings fluid followed force fracture function further hand head headaches hemorrhages idea immediate impact important incident increased indicated individual injury instances interval later lesions less loss manifestations mechanism minor movement nerve cells nervous neurosis normal noted objective observations occur origin patient period persistent person phase physical possible postconcussion posttraumatic present writer probably problem produced question recovery reported residual responsible result seems severe shock short significant skull struck substance suffered suggested sustained symptoms theory tigroid traumatic true unconscious usually various vasomotor