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Abstract #8163

Controversies in TBI

Erin Bigler1 and Erin D. Bigler2

1Brigham Young University, Provo, UT, United States, 2Psychology and Neuroscience Center, Brigham Young University, Provo, UT, United States

Enduring neuroimaging controversies exist in the study of traumatic brain injury (TBI) especially related to mild TBI (mTBI). The presentation begins with a brief historical overview of various definitional statements as to what constitutes a TBI, especially involving “concussion.” Although various lesion quantification methods have become standard, when to scan post-injury and what to quantify remain part of the debate. Individual differences and the heterogeneity of the injury complicate and may mask effects at the individual level. With advanced neuroimaging techniques, controversies remain as to acquisition, post-processing and study design questions and what outcome metrics should be examined.

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