Practice makes perfect: the neural substrates of tactile discrimination by Mah-Jong experts include the primary visual cortex. Saito, D. N, Okada, T., Honda, M., Yonekura, Y., & Sadato, N. BMC Neurosci, 7:79, 2006. Place: England ISBN: 1471-2202doi abstract bibtex BACKGROUND: It has yet to be determined whether visual-tactile cross-modal plasticity due to visual deprivation, particularly in the primary visual cortex (V1), is solely due to visual deprivation or if it is a result of long-term tactile training. Here we conducted an fMRI study with normally-sighted participants who had undergone long-term training on the tactile shape discrimination of the two dimensional (2D) shapes on Mah-Jong tiles (Mah-Jong experts). Eight Mah-Jong experts and twelve healthy volunteers who were naïve to Mah-Jong performed a tactile shape matching task using Mah-Jong tiles with no visual input. Furthermore, seven out of eight experts performed a tactile shape matching task with unfamiliar 2D Braille characters. RESULTS: When participants performed tactile discrimination of Mah-Jong tiles, the left lateral occipital cortex (LO) and V1 were activated in the well-trained subjects. In the naïve subjects, the LO was activated but V1 was not activated. Both the LO and V1 of the well-trained subjects were activated during Braille tactile discrimination tasks. CONCLUSION: The activation of V1 in subjects trained in tactile discrimination may represent altered cross-modal responses as a result of long-term training.
@article{saito_practice_2006,
title = {Practice makes perfect: the neural substrates of tactile discrimination by {Mah}-{Jong} experts include the primary visual cortex.},
volume = {7},
doi = {10.1186/1471-2202-7-79},
abstract = {BACKGROUND: It has yet to be determined whether visual-tactile cross-modal plasticity due to visual deprivation, particularly in the primary visual cortex (V1), is solely due to visual deprivation or if it is a result of long-term tactile training. Here we conducted an fMRI study with normally-sighted participants who had undergone long-term training on the tactile shape discrimination of the two dimensional (2D) shapes on Mah-Jong tiles (Mah-Jong experts). Eight Mah-Jong experts and twelve healthy volunteers who were naïve to Mah-Jong performed a tactile shape matching task using Mah-Jong tiles with no visual input. Furthermore, seven out of eight experts performed a tactile shape matching task with unfamiliar 2D Braille characters. RESULTS: When participants performed tactile discrimination of Mah-Jong tiles, the left lateral occipital cortex (LO) and V1 were activated in the well-trained subjects. In the naïve subjects, the LO was activated but V1 was not activated. Both the LO and V1 of the well-trained subjects were activated during Braille tactile discrimination tasks. CONCLUSION: The activation of V1 in subjects trained in tactile discrimination may represent altered cross-modal responses as a result of long-term training.},
language = {eng},
journal = {BMC Neurosci},
author = {Saito, Daisuke N and Okada, Tomohisa and Honda, Manabu and Yonekura, Yoshiharu and Sadato, Norihiro},
year = {2006},
pmid = {17144928},
note = {Place: England
ISBN: 1471-2202},
keywords = {Adult, Discrimination Learning, Electroencephalography, Evoked Potentials, Somatosensory, Evoked Potentials, Visual, Humans, Male, Neuronal Plasticity, Photic Stimulation, Physical Stimulation, Play and Playthings, Task Performance and Analysis, Touch, Visual Cortex, comparative study, research support, non-u.s. gov't},
pages = {79},
}
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Eight Mah-Jong experts and twelve healthy volunteers who were naïve to Mah-Jong performed a tactile shape matching task using Mah-Jong tiles with no visual input. Furthermore, seven out of eight experts performed a tactile shape matching task with unfamiliar 2D Braille characters. RESULTS: When participants performed tactile discrimination of Mah-Jong tiles, the left lateral occipital cortex (LO) and V1 were activated in the well-trained subjects. In the naïve subjects, the LO was activated but V1 was not activated. Both the LO and V1 of the well-trained subjects were activated during Braille tactile discrimination tasks. CONCLUSION: The activation of V1 in subjects trained in tactile discrimination may represent altered cross-modal responses as a result of long-term training.","language":"eng","journal":"BMC Neurosci","author":[{"propositions":[],"lastnames":["Saito"],"firstnames":["Daisuke","N"],"suffixes":[]},{"propositions":[],"lastnames":["Okada"],"firstnames":["Tomohisa"],"suffixes":[]},{"propositions":[],"lastnames":["Honda"],"firstnames":["Manabu"],"suffixes":[]},{"propositions":[],"lastnames":["Yonekura"],"firstnames":["Yoshiharu"],"suffixes":[]},{"propositions":[],"lastnames":["Sadato"],"firstnames":["Norihiro"],"suffixes":[]}],"year":"2006","pmid":"17144928","note":"Place: England ISBN: 1471-2202","keywords":"Adult, Discrimination Learning, Electroencephalography, Evoked Potentials, Somatosensory, Evoked Potentials, Visual, Humans, Male, Neuronal Plasticity, Photic Stimulation, Physical Stimulation, Play and Playthings, Task Performance and Analysis, Touch, Visual Cortex, comparative study, research support, non-u.s. gov't","pages":"79","bibtex":"@article{saito_practice_2006,\n\ttitle = {Practice makes perfect: the neural substrates of tactile discrimination by {Mah}-{Jong} experts include the primary visual cortex.},\n\tvolume = {7},\n\tdoi = {10.1186/1471-2202-7-79},\n\tabstract = {BACKGROUND: It has yet to be determined whether visual-tactile cross-modal plasticity due to visual deprivation, particularly in the primary visual cortex (V1), is solely due to visual deprivation or if it is a result of long-term tactile training. 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