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    • Sakai, Kuniyoshi L. (23)
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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Page: 1 2 Hits 1 – 20 of 24 1 Enhanced activations in syntax-related regions for multilinguals while acquiring a new language Umejima, Keita; Flynn, Suzanne; Sakai, Kuniyoshi L. In: Sci Rep (2021) BASE Show details 2 Merge-Generability as the Key Concept of Human Language: Evidence From Neuroscience Tanaka, Kyohei; Nakamura, Isso; Ohta, Shinri. - : Frontiers Media S.A., 2019 BASE Show details 3 Dissociating Effects of Scrambling and Topicalization within the Left Frontal and Temporal Language Areas: An fMRI Study in Kaqchikel Maya Ohta, Shinri; Koizumi, Masatoshi; Sakai, Kuniyoshi L.. - : Frontiers Media S.A., 2017 BASE Show details 4 Differential Signatures of Second Language Syntactic Performance and Age on the Structural Properties of the Left Dorsal Pathway Yamamoto, Kayako; Sakai, Kuniyoshi L.. - : Frontiers Media S.A., 2017 Abstract: In adult second language (L2) acquisition, individual differences are considerably large even among people with similar experiences. The neural mechanisms underlying this variability would include structural plasticity of language-related pathways. To elucidate such neuroplasticity, we focused on the transitional period of adolescence, which is associated with certain plasticity toward maturation following the sensitive period of language acquisition (≤12 years old). The adolescent brain would thus be influenced by age-dependent factors, as well as performances in L2. Here, we examined individual differences in L2 performances controlling the duration of experience to reveal the differential signatures of performances and age on the plasticity of structural properties in major language-related pathways. We recruited Japanese students at two ages, i.e., junior (age: 13–14) and senior (age: 16–17) high-school students, all of whom started to expose to English at age 12 or 13. We divided them into subgroups, so that either L2 performance [Junior (High)/Senior (Low)] or age [Senior (Low)/Senior (High)] was matched in group comparisons; the duration of L2 experience was also controlled between the Senior (Low) and Senior (High) groups. We then examined the thickness and fractional anisotropy (FA) of the dorsal and ventral pathways, i.e., the arcuate fasciculus (Arcuate) and inferior fronto-occipital fasciculus (IFOF), respectively, using semi-automatic methods for selecting regions without branches. Regarding FA in the left Arcuate, the Senior (High) group showed significantly higher FA than the other two groups, indicating performance-related group differences. Further, FA in the left Arcuate was selectively correlated with the accuracy of a syntactic task. Regarding the thickness of the left Arcuate, the Senior (High) and Senior (Low) groups showed significantly larger thickness than the Junior (High) group, indicating age-related group differences. These differential performance-related and age-related signatures were evident on the left Arcuate alone, in contrast to the right Arcuate that showed only mild differences in thickness, and to the bilateral IFOF that lacked either signature. Our results suggest that the left dorsal pathway continued to develop to adolescence, and that performance differences in a syntactic task can be predicted by its FA, independent of age and the duration of experience. Keyword: Psychology URL: https://doi.org/10.3389/fpsyg.2017.00829 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5440582/ BASE Hide details 5 Activation changes of the left inferior frontal gyrus for the factors of construction and scrambling in a sentence TANAKA, Kyohei; OHTA, Shinri; KINNO, Ryuta. - : The Japan Academy, 2017 BASE Show details 6 The Dorsal Rather than Ventral Pathway Better Reflects Individual Syntactic Abilities in Second Language Yamamoto, Kayako; Sakai, Kuniyoshi L.. - : Frontiers Media S.A., 2016 BASE Show details 7 Subliminal enhancement of predictive effects during syntactic processing in the left inferior frontal gyrus: an MEG study Iijima, Kazuki; Sakai, Kuniyoshi L.. - : Frontiers Media S.A., 2014 BASE Show details 8 Neural Mechanisms Underlying the Computation of Hierarchical Tree Structures in Mathematics Nakai, Tomoya; Sakai, Kuniyoshi L.. - : Public Library of Science, 2014 BASE Show details 9 Functional and anatomical correlates of word-, sentence-, and discourse-level integration in sign language Inubushi, Tomoo; Sakai, Kuniyoshi L.. - : Frontiers Media S.A., 2013 BASE Show details 10 Syntactic Computation in the Human Brain: The Degree of Merger as a Key Factor Ohta, Shinri; Fukui, Naoki; Sakai, Kuniyoshi L.. - : Public Library of Science, 2013 BASE Show details 11 Computational principles of syntax in the regions specialized for language: integrating theoretical linguistics and functional neuroimaging Ohta, Shinri; Fukui, Naoki; Sakai, Kuniyoshi L.. - : Frontiers Media S.A., 2013 BASE Show details 12 Left Inferior Frontal Activations Depending on the Canonicity Determined by the Argument Structures of Ditransitive Sentences: An MEG Study Inubushi, Tomoo; Iijima, Kazuki; Koizumi, Masatoshi. - : Public Library of Science, 2012 BASE Show details 13 Agrammatic comprehension caused by a glioma in the left frontal cortex Kawamura, Mitsuru; Sakai, Kuniyoshi L.; Maruyama, Takashi... In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 110 (2009) 2, 71-80 BLLDB OLC Linguistik Show details 14 Syntax in a native language still continues to develop in adults: honorification judgment in Japanese Sakai, Kuniyoshi L.; Sakai, Hiromu; Momo, Kanako In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 107 (2008) 1, 81-89 BLLDB OLC Linguistik Show details 15 Sign and speech: amodal commonality in left hemisphere dominance for comprehension of sentences Sakai, Kuniyoshi L.; Tatsuno, Yoshinori; Suzuki, Kei... In: Brain. - Oxford : Oxford Univ. Press 128 (2005) 6, 1407-1417 BLLDB Show details 16 Language acquisition and brain development Sakai, Kuniyoshi L. In: Science. - Washington, DC : AAAS, American Assoc. for the Advancement of Science 310 (2005) 5749, 815-819 BLLDB Show details 17 Sign and speech: amodal commonality in left hemisphere dominance for comprehension of sentences Sakai, Kuniyoshi L.; Tatsuno, Yoshinori; Suzuki, Kei. - : Oxford University Press, 2005 BASE Show details 18 Sign and speech: amodal commonality in left hemisphere dominance for comprehension of sentences Sakai, Kuniyoshi L.; Tatsuno, Yoshinori; Suzuki, Kei. - : Oxford University Press, 2005 BASE Show details 19 Language-Related Activations in the Left Prefrontal Regions Are Differentially Modulated by Age, Proficiency, and Task Demands Tatsuno, Yoshinori; Sakai, Kuniyoshi L.. - : Society for Neuroscience, 2005 BASE Show details 20 Correlated Functional Changes of the Prefrontal Cortex in Twins Induced by Classroom Education of Second Language Sakai, Kuniyoshi L.; Miura, Kunihiko; Narafu, Nobuko. - : Oxford University Press, 2004 BASE Show details Page: 1 2

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