Formant transition-specific adaptation by lipreading of left auditory cortex N1m. Export

@article{citeulike:2431271, abstract = {To test for the feature specificity of adaptation of auditory-cortex magnetoencephalographic N1m responses to phonemes during lipreading, we presented eight healthy volunteers with a simplified sine-wave first-formant (F1) transition shared by /ba/, /ga/, and /da/, and a continuum of second-formant (F2) transitions contained in /ba/ (ascending), /da/ (level), and /ga/ (descending), during lipreading of /ba/ vs. /ga/ vs. a still-face baseline. N1m responses to the F1 transition were suppressed during lipreading, further, visual /ga/ (vs. /ba/) significantly suppressed left-hemisphere N1m responses to the F2 transition contained in /ga/. This suggests that visual speech activates and adapts auditory cortex neural populations tuned to formant transitions, the basic sound-sweep constituents of phonemes, potentially explaining enhanced speech perception during lipreading.}, address = {Laboratory of Computational Engineering, Helsinki University of Technology, Espoo, Finland. iiro.jaaskelainen@tkk.fi}, author = {J\"{a}\"{a}skel\"{a}inen, I. P. and Kauram\"{a}ki, J. and Tujunen, J. and Sams, M.}, citeulike-article-id = {2431271}, citeulike-linkout-0 = {http://dx.doi.org/10.1097/WNR.0b013e3282f36f7a}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/18281900}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=18281900}, day = {8}, doi = {10.1097/WNR.0b013e3282f36f7a}, issn = {0959-4965}, journal = {Neuroreport}, keywords = {adaptation, audiovis, auditory, jc-neuroreport, multisensory, n1m}, month = {January}, number = {1}, pages = {93--97}, posted-at = {2008-02-26 20:24:46}, priority = {2}, title = {Formant transition-specific adaptation by lipreading of left auditory cortex N1m.}, url = {http://dx.doi.org/10.1097/WNR.0b013e3282f36f7a}, volume = {19}, year = {2008} }

TY - JOUR ID - citeulike:2431271 L3 - citeulike-article-id:2431271 N2 - To test for the feature specificity of adaptation of auditory-cortex magnetoencephalographic N1m responses to phonemes during lipreading, we presented eight healthy volunteers with a simplified sine-wave first-formant (F1) transition shared by /ba/, /ga/, and /da/, and a continuum of second-formant (F2) transitions contained in /ba/ (ascending), /da/ (level), and /ga/ (descending), during lipreading of /ba/ vs. /ga/ vs. a still-face baseline. N1m responses to the F1 transition were suppressed during lipreading, further, visual /ga/ (vs. /ba/) significantly suppressed left-hemisphere N1m responses to the F2 transition contained in /ga/. This suggests that visual speech activates and adapts auditory cortex neural populations tuned to formant transitions, the basic sound-sweep constituents of phonemes, potentially explaining enhanced speech perception during lipreading. IS - 1 JF - Neuroreport SN - 0959-4965 AD - Laboratory of Computational Engineering, Helsinki University of Technology, Espoo, Finland. iiro.jaaskelainen@tkk.fi EP - 97 TI - Formant transition-specific adaptation by lipreading of left auditory cortex N1m. VL - 19 SP - 93 KW - adaptation KW - audiovis KW - auditory KW - jc-neuroreport KW - multisensory KW - n1m AU - Jääskeläinen, IP AU - Kauramäki, J AU - Tujunen, J AU - Sams, M PY - 2008/01/08/ UR - http://dx.doi.org/10.1097/WNR.0b013e3282f36f7a ER -