期刊
NEUROREPORT
卷 11, 期 18, 页码 4087-4092出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00001756-200012180-00035
关键词
electrophysiology; mild traumatic brain injury; P300; sports
We have used event-related potentials (ERP) to assess cerebral activity following mild traumatic brain injuries in 20 college athletes practising contact sports. Concussion victims showed a striking decrease in P300 amplitude, an effect presumed to reflect alterations in attentional-cognitive processes. Moreover, the degree of impairment was strongly related to the severity of post-concussion symptoms. Our data suggest that concussions cause objectively measurable changes in the electrophysiological markers of brain activity and hence in the functions of the structures from which they originate. ERPs may thus constitute a reliable method to accurately monitor the clinical course and recovery of head injuries in athletes. NeuroReport 11:4087-4092 (C) 2000 Lippincott Williams & Wilkins.
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