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Conf Proc IEEE Eng Med Biol Soc · Jan 2012
Assessing traumatic brain injuries using EEG power spectral analysis and instantaneous phase.
- A Napoli, M Barbe, K Darvish, and I Obeid.
- Department of Electrical and Computer Engineering, Temple University, Philadelphia, PA 19122, USA. a. napoli@temple.edu
- Conf Proc IEEE Eng Med Biol Soc. 2012 Jan 1;2012:4692-5.
AbstractAlthough mild traumatic brain injury (mTBI) occurs commonly, little is known about how multiple mTBI incidents accumulate over time to produce serious morbidity or how the extent of injury can be quantified. This work presents a rat model that uses deceleration-induced brain trauma and an implantable EEG system for recording injury-induced changes in brain activity. Specifically, we present an analysis method to assess and quantify mTBI by combining information derived from EEG power spectral analysis and EEG phase shifts. We found that in different frequency bands, both EEG power spectra and the instantaneous phases of the two EEG channels before the impact were different from those measured after the impact. This study shows that EEG analysis can be used as a tool to identify and assess brain related injuries.
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