Gamma-band activity reflects the metric structure of rhythmic tone sequences.

@article{citeulike:500305, abstract = {Relatively little is known about the dynamics of auditory cortical rhythm processing using non-invasive methods, partly because resolving responses to events in patterns is difficult using long-latency auditory neuroelectric responses. We studied the relationship between short-latency gamma-band (20-60 Hz) activity (GBA) and the structure of rhythmic tone sequences. We show that induced (non-phase-locked) GBA predicts tone onsets and persists when expected tones are omitted. Evoked (phase-locked) GBA occurs in response to tone onsets with approximately 50 ms latency, and is strongly diminished during tone omissions. These properties of auditory GBA correspond with perception of meter in acoustic sequences and provide evidence for the dynamic allocation of attention to temporally structured auditory sequences.}, address = {Department of Psychology, Cornell University, Ithaca, NY 14853, USA. jsnyder@rotman-baycrest.on.ca}, author = {Snyder, J. S. and Large, E. W. }, citeulike-article-id = {500305}, doi = {http://dx.doi.org/10.1016/j.cogbrainres.2004.12.014}, issn = {0926-6410}, journal = {Brain Res Cogn Brain Res}, keywords = {attention, auditory, erp, musicperception, rhythm}, month = {June}, number = {1}, pages = {117--126}, posted-at = {2008-02-13 17:53:07}, priority = {3}, title = {Gamma-band activity reflects the metric structure of rhythmic tone sequences.}, url = {http://dx.doi.org/10.1016/j.cogbrainres.2004.12.014}, volume = {24}, year = {2005} }

TY - JOUR ID - citeulike:500305 L3 - citeulike-article-id:500305 TI - Gamma-band activity reflects the metric structure of rhythmic tone sequences. JF - Brain Res Cogn Brain Res VL - 24 IS - 1 SP - 117 EP - 126 AD - Department of Psychology, Cornell University, Ithaca, NY 14853, USA. jsnyder@rotman-baycrest.on.ca SN - 0926-6410 N2 - Relatively little is known about the dynamics of auditory cortical rhythm processing using non-invasive methods, partly because resolving responses to events in patterns is difficult using long-latency auditory neuroelectric responses. We studied the relationship between short-latency gamma-band (20-60 Hz) activity (GBA) and the structure of rhythmic tone sequences. We show that induced (non-phase-locked) GBA predicts tone onsets and persists when expected tones are omitted. Evoked (phase-locked) GBA occurs in response to tone onsets with approximately 50 ms latency, and is strongly diminished during tone omissions. These properties of auditory GBA correspond with perception of meter in acoustic sequences and provide evidence for the dynamic allocation of attention to temporally structured auditory sequences. KW - attention KW - auditory KW - erp KW - musicperception KW - rhythm AU - Snyder, JS AU - Large, EW PY - 2005/06// UR - http://dx.doi.org/10.1016/j.cogbrainres.2004.12.014 ER -