TY - GEN
T1 - Duraǧan hal görsel uyarilmiş potansiyellerin prefrontal korteksteki i̇zdüsümü
AU - Özker, Müge
AU - Bayraktaroglu, Zübeyir
AU - Kasikçi, Itir
AU - Erdoǧan, Basri
AU - Akin, Ata
AU - Demiralp, Tamer
PY - 2009
Y1 - 2009
N2 - The aim of this experiment was to investigate the impact of steady-state visual stimulation on electrophysiology of the human brain. The study was performed on 6 subjects and the measurements were made by the non-invasive technique, EEG (Electroencephalography). The changes in the electrophysiological brain signals that had been obtained by EEG during visual stimulation were analyzed. The amount of changes in the recorded signals exhibited dependencies to the frequency of the applied visual stimulation. In this study, the frequency dependent electrophysiological response of the frontal cortex of the brain was analyzed and compared with the response of the occipital cortex. In both occipital and prefrontal cortexes, the highest EEG signal energy was observed at the 10-13 Hz stimulation band. Other than this frequency band, there were no similarities between the two regions in terms of local maximum and minimum signal energy values .On the other hand, when the EEG response to the whole stimulation frequency was considered, the correlation coefficient of the signal powers of both regions was found to be 0.84.
AB - The aim of this experiment was to investigate the impact of steady-state visual stimulation on electrophysiology of the human brain. The study was performed on 6 subjects and the measurements were made by the non-invasive technique, EEG (Electroencephalography). The changes in the electrophysiological brain signals that had been obtained by EEG during visual stimulation were analyzed. The amount of changes in the recorded signals exhibited dependencies to the frequency of the applied visual stimulation. In this study, the frequency dependent electrophysiological response of the frontal cortex of the brain was analyzed and compared with the response of the occipital cortex. In both occipital and prefrontal cortexes, the highest EEG signal energy was observed at the 10-13 Hz stimulation band. Other than this frequency band, there were no similarities between the two regions in terms of local maximum and minimum signal energy values .On the other hand, when the EEG response to the whole stimulation frequency was considered, the correlation coefficient of the signal powers of both regions was found to be 0.84.
KW - Electroencephalography
KW - Steady-state visual evoked potentials
UR - http://www.scopus.com/inward/record.url?scp=70350217429&partnerID=8YFLogxK
U2 - 10.1109/BIYOMUT.2009.5130370
DO - 10.1109/BIYOMUT.2009.5130370
M3 - Konferans katkısı
AN - SCOPUS:70350217429
SN - 9781424436064
T3 - Proceedings of 2009 14th National Biomedical Engineering Meeting, BIYOMUT 2009
BT - Proceedings of 2009 14th National Biomedical Engineering Meeting, BIYOMUT 2009
T2 - 2009 14th National Biomedical Engineering Meeting, BIYOMUT 2009
Y2 - 20 May 2009 through 22 May 2009
ER -