Author:
BARR WILLIAM B.,McCREA MICHAEL
Abstract
Neuropsychology, with its emphasis on standardized and empirically
based methods, has made a number of scientific contributions
to address growing concerns about concussions resulting from
sports injuries. This study employs a test–retest paradigm
to determine the immediate effects of concussion in high-school
and college athletes. The Standardized Assessment of Concussion
(SAC) was administered to 1,313 male athletes prior to the
beginning of the competitive season. Reliable change indices
and multiple regression models were computed on retest scores
obtained from 68 noninjured athletes who were readministered
the SAC at either 60 or 120 days following baseline testing.
Receiver operating characteristic (ROC) curve analyses were
used to test these models with data obtained on 50 athletes
tested immediately following concussion. The results indicate
that a decline of 1 point on the SAC at retesting classified
injured and noninjured participants with a level of 94% sensitivity
and 76% specificity. The RCI and multiple regression models
provided comparable levels of group classification, but provided
cut-offs that are conservative for use with this population.
The results support and extend previous research findings
indicating that the SAC is a valid instrument for detecting
the immediate effects of mild traumatic brain injury.
(JINS, 2001, 7, 693–702.)
Publisher
Cambridge University Press (CUP)
Subject
Psychiatry and Mental health,Neurology (clinical),Clinical Psychology,General Neuroscience
Cited by
230 articles.
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