Comparison of Time-Frequency Responses and the Event-Related Potential to Auditory Speech Stimuli in Human Cortex Export

@article{citeulike:5027716, abstract = {We recorded the electrocorticogram directly from the exposed cortical surface of awake neurosurgical patients during the presentation of auditory syllable stimuli. All patients were unanesthetized as part of a language-mapping procedure for subsequent left-hemisphere tumor resection. Time-frequency analyses showed significant high-gamma ({gamma}high: 70-160 Hz) responses from the left superior temporal gyrus, but no reliable response from the left inferior frontal gyrus. Alpha suppression ({alpha}: 7-14 Hz) and event-related potential responses exhibited a more widespread topography. Across electrodes, the {alpha} suppression from 200 to 450 ms correlated with the preceding (50-200 ms) {gamma}high increase. The results are discussed in terms of the different physiological origins of these electrocortical signals. 10.1152/jn.90954.2008}, author = {Edwards, Erik and Soltani, Maryam and Kim, Won and Dalal, Sarang S. and Nagarajan, Srikantan S. and Berger, Mitchel S. and Knight, Robert T.}, citeulike-article-id = {5027716}, citeulike-linkout-0 = {http://dx.doi.org/10.1152/jn.90954.2008}, citeulike-linkout-1 = {http://jn.physiology.org/cgi/content/abstract/102/1/377}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/19439673}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=19439673}, day = {1}, doi = {10.1152/jn.90954.2008}, journal = {J Neurophysiol}, keywords = {clinical, erps, rtknight, speech}, month = {July}, number = {1}, pages = {377--386}, posted-at = {2009-11-09 05:56:49}, priority = {2}, title = {Comparison of Time-Frequency Responses and the Event-Related Potential to Auditory Speech Stimuli in Human Cortex}, url = {http://dx.doi.org/10.1152/jn.90954.2008}, volume = {102}, year = {2009} }

TY - JOUR ID - citeulike:5027716 L3 - citeulike-article-id:5027716 N2 - We recorded the electrocorticogram directly from the exposed cortical surface of awake neurosurgical patients during the presentation of auditory syllable stimuli. All patients were unanesthetized as part of a language-mapping procedure for subsequent left-hemisphere tumor resection. Time-frequency analyses showed significant high-gamma ({gamma}high: 70-160 Hz) responses from the left superior temporal gyrus, but no reliable response from the left inferior frontal gyrus. Alpha suppression ({alpha}: 7-14 Hz) and event-related potential responses exhibited a more widespread topography. Across electrodes, the {alpha} suppression from 200 to 450 ms correlated with the preceding (50-200 ms) {gamma}high increase. The results are discussed in terms of the different physiological origins of these electrocortical signals. 10.1152/jn.90954.2008 IS - 1 JF - J Neurophysiol EP - 386 TI - Comparison of Time-Frequency Responses and the Event-Related Potential to Auditory Speech Stimuli in Human Cortex VL - 102 SP - 377 KW - clinical KW - erps KW - rtknight KW - speech AU - Edwards, Erik AU - Soltani, Maryam AU - Kim, Won AU - Dalal, Sarang AU - Nagarajan, Srikantan AU - Berger, Mitchel AU - Knight, Robert PY - 2009/07/01/ UR - http://dx.doi.org/10.1152/jn.90954.2008 ER -