Emotion processing in Parkinson's disease: an EEG spectral power study
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Informa Healthcare
2014
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my.unimap-333722014-04-09T04:02:53Z Emotion processing in Parkinson's disease: an EEG spectral power study Yuvaraj, Rajamanickam Murugappan, M Mohd Iqbal, Omar@Ye Htut, Assoc. Prof. Dr. Norlinah, Mohamed Ibrahim Sundaraj, Kenneth, Prof. Dr. Khairiyah, Mohamad Satiyan, M murugappan@unimap.edu.my iqbalomar@unimap.edu.my kenneth@unimap.edu.my Emotion Electroencephalogram Parkinson's disease Relative spectral power Link to publisher's homepage at http://informahealthcare.com/ Objective: Although an emotional deficit is a common finding in Parkinson's disease (PD), its neurobiological mechanism on emotion recognition is still unknown. This study examined the emotion processing deficits in PD patients using electroencephalogram (EEG) signals in response to multimodal stimuli. Method: EEG signals were investigated on both positive and negative emotions in 14 PD patients and 14 aged-matched normal controls (NCs). The relative power (i.e., ratio of EEG signal power in each frequency band compared to the total EEG power) was computed over three brain regions: the anterior (AF3, F7, F3, F4, F8 and AF4), central (FC5 and FC6) and posterior (T7, P7, O1, O2, P8 and T8) regions for theta (4–8 Hz), alpha (8–13 Hz), beta (13–30 Hz) and gamma (30–60 Hz) frequency sub-bands, respectively. Results: Behaviorally, PD patients showed decreased performance in classifying emotional stimuli as measured by subjective ratings. EEG power at theta, alpha, beta, and gamma bands in all regions were significantly different between the NC and PD groups during both the emotional tasks, with p-values less than 0.05. Furthermore, an increase of relative spectral powers in the theta and gamma bands and a decrease of relative powers in the alpha and beta bands were observed for PD patients compared with NCs during emotional information processing. Conclusion: The results suggest the possibility of the existence of a distinctive neurobiological substrate of PD patients during emotional information processing. Also, these distributed spectral powers in different frequency bands might provide meaningful information about emotional processing in PD patients. 2014-04-02T21:49:37Z 2014-04-02T21:49:37Z 2013 Article International Journal of Neuroscience, 2013 1563-5279 http://dspace.unimap.edu.my:80/dspace/handle/123456789/33372 http://informahealthcare.com/doi/abs/10.3109/00207454.2013.860527 10.3109/00207454.2013.860527 en Informa Healthcare |
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Emotion Electroencephalogram Parkinson's disease Relative spectral power |
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Emotion Electroencephalogram Parkinson's disease Relative spectral power Yuvaraj, Rajamanickam Murugappan, M Mohd Iqbal, Omar@Ye Htut, Assoc. Prof. Dr. Norlinah, Mohamed Ibrahim Sundaraj, Kenneth, Prof. Dr. Khairiyah, Mohamad Satiyan, M Emotion processing in Parkinson's disease: an EEG spectral power study |
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Link to publisher's homepage at http://informahealthcare.com/ |
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murugappan@unimap.edu.my |
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murugappan@unimap.edu.my Yuvaraj, Rajamanickam Murugappan, M Mohd Iqbal, Omar@Ye Htut, Assoc. Prof. Dr. Norlinah, Mohamed Ibrahim Sundaraj, Kenneth, Prof. Dr. Khairiyah, Mohamad Satiyan, M |
| format |
Article |
| author |
Yuvaraj, Rajamanickam Murugappan, M Mohd Iqbal, Omar@Ye Htut, Assoc. Prof. Dr. Norlinah, Mohamed Ibrahim Sundaraj, Kenneth, Prof. Dr. Khairiyah, Mohamad Satiyan, M |
| author_sort |
Yuvaraj, Rajamanickam |
| title |
Emotion processing in Parkinson's disease: an EEG spectral power study |
| title_short |
Emotion processing in Parkinson's disease: an EEG spectral power study |
| title_full |
Emotion processing in Parkinson's disease: an EEG spectral power study |
| title_fullStr |
Emotion processing in Parkinson's disease: an EEG spectral power study |
| title_full_unstemmed |
Emotion processing in Parkinson's disease: an EEG spectral power study |
| title_sort |
emotion processing in parkinson's disease: an eeg spectral power study |
| publisher |
Informa Healthcare |
| publishDate |
2014 |
| url |
http://dspace.unimap.edu.my:80/dspace/handle/123456789/33372 |
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1643797148489220096 |
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13.214268 |