Task-guided selection of the dual neural pathways for reading.

@article{citeulike:1373813, abstract = {The visual perception of words is known to activate the auditory representation of their spoken forms automatically. We examined the neural mechanism for this phonological activation using transcranial magnetic stimulation (TMS) with a masked priming paradigm. The stimulation sites (left superior temporal gyrus [L-STG] and inferior parietal lobe [L-IPL]), modality of targets (visual and auditory), and task (pronunciation and lexical decision) were manipulated independently. For both within- and cross-modal conditions, the repetition priming during pronunciation was eliminated when TMS was applied to the L-IPL, but not when applied to the L-STG, whereas the priming during lexical decision was eliminated when the L-STG, but not the L-IPL, was stimulated. The observed double dissociation suggests that the conscious task instruction modulates the stimulus-driven activation of the lateral temporal cortex for lexico-phonological activation and the inferior parietal cortex for spoken word production, and thereby engages a different neural network for generating the appropriate behavioral response.}, address = {Department of Speech Physiology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. kimihiro@m.u-tokyo.ac.jp}, author = {Nakamura, K. and Hara, N. and Kouider, S. and Takayama, Y. and Hanajima, R. and Sakai, K. and Ugawa, Y. }, citeulike-article-id = {1373813}, doi = {http://dx.doi.org/10.1016/j.neuron.2006.09.030}, issn = {0896-6273}, journal = {Neuron}, keywords = {priming, reading, subliminal, tms}, month = {November}, number = {3}, pages = {557--564}, posted-at = {2007-06-09 03:31:29}, priority = {2}, title = {Task-guided selection of the dual neural pathways for reading.}, url = {http://dx.doi.org/10.1016/j.neuron.2006.09.030}, volume = {52}, year = {2006} }

TY - JOUR ID - citeulike:1373813 L3 - citeulike-article-id:1373813 TI - Task-guided selection of the dual neural pathways for reading. JF - Neuron VL - 52 IS - 3 SP - 557 EP - 564 AD - Department of Speech Physiology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. kimihiro@m.u-tokyo.ac.jp SN - 0896-6273 N2 - The visual perception of words is known to activate the auditory representation of their spoken forms automatically. We examined the neural mechanism for this phonological activation using transcranial magnetic stimulation (TMS) with a masked priming paradigm. The stimulation sites (left superior temporal gyrus [L-STG] and inferior parietal lobe [L-IPL]), modality of targets (visual and auditory), and task (pronunciation and lexical decision) were manipulated independently. For both within- and cross-modal conditions, the repetition priming during pronunciation was eliminated when TMS was applied to the L-IPL, but not when applied to the L-STG, whereas the priming during lexical decision was eliminated when the L-STG, but not the L-IPL, was stimulated. The observed double dissociation suggests that the conscious task instruction modulates the stimulus-driven activation of the lateral temporal cortex for lexico-phonological activation and the inferior parietal cortex for spoken word production, and thereby engages a different neural network for generating the appropriate behavioral response. KW - priming KW - reading KW - subliminal KW - tms AU - Nakamura, K AU - Hara, N AU - Kouider, S AU - Takayama, Y AU - Hanajima, R AU - Sakai, K AU - Ugawa, Y PY - 2006/11/09/ UR - http://dx.doi.org/10.1016/j.neuron.2006.09.030 ER -