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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Trenado, C. Haab, L. Strauss, D.J. |
| Copyright Year | 2001 |
| Abstract | Auditory evoked cortical potentials (AECPs) have been consolidated as a diagnostic tool in audiology. Further applications of this technique are in experimental neuropsychology, neuroscience, and psychiatry, e.g., for the attention deficit disorder, schizophrenia, or for studying the tinnitus decompensation. In particular, numerous psychophysiological studies have emphasized their dynamic characteristics in relation to exogenous and endogenous attention. However, the effect of corticothalamic feedback dynamics to neural correlates of focal and nonfocal attention and its large-scale effect reflected in AECPs is far from being understood. To address this issue, we model neural correlates of auditory selective attention reflected in AECPs by using corticothalamic feedback dynamics. In our framework, we make use of a well-known multiscale model of evoked potentials, for which we define for the first time a neurofunctional map of relevant corticothalamic loops to the hearing path. Such loops are in turn are coupled to our proposed probabilistic scheme of auditory selective attention. It is concluded that our model represents a promising approach to gain a deeper understanding of the neurodynamics of auditory attention and might be used as an efficient forward model to support hypotheses that are obtained in experimental paradigms involving AECPs. |
| Sponsorship | IEEE Engineering in Medicine and Biology Society |
| Page Count | 7 |
| File Size | 1170563 |
| Starting Page | 46 |
| Ending Page | 52 |
| File Format | |
| ISSN | 15344320 |
| Volume Number | 17 |
| Issue Number | 1 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-02-01 |
| Publisher Place | U.S.A. |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Neurofeedback Psychology Auditory system Cybernetics Hospitals Neuroscience Psychiatry Large-scale systems Neurodynamics Enterprise resource planning top-down processing Auditory selective attention corticothalamic feedback evoked potentials probabilistic model single trials processing |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neuroscience Rehabilitation Internal Medicine Biomedical Engineering Computer Science Applications |
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