Modes of Effective Connectivity within Cortical Pathways Are Distinguished for Different Categories of Visual Context: An fMRI Study
Context contributes to accurate and efficient information processing. To reveal the dynamics of the neural mechanisms that underlie the processing of visual contexts during the recognition of color, shape, and 3D structure of objects, we carried out functional magnetic resonance imaging (fMRI) of su...
| Main Authors: | , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2017-05-01
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| Series: | Frontiers in Behavioral Neuroscience |
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| Online Access: | http://journal.frontiersin.org/article/10.3389/fnbeh.2017.00064/full |
| _version_ | 1818590685718118400 |
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| author | Qiong Wu Jinglong Wu Jinglong Wu Shigeko Takahashi Qiang Huang Hongzan Sun Qiyong Guo Yoshio Ohtani Yoshimichi Ejima Xu Zhang Chunlin Li Tianyi Yan Tianyi Yan |
| author_facet | Qiong Wu Jinglong Wu Jinglong Wu Shigeko Takahashi Qiang Huang Hongzan Sun Qiyong Guo Yoshio Ohtani Yoshimichi Ejima Xu Zhang Chunlin Li Tianyi Yan Tianyi Yan |
| author_sort | Qiong Wu |
| collection | DOAJ |
| description | Context contributes to accurate and efficient information processing. To reveal the dynamics of the neural mechanisms that underlie the processing of visual contexts during the recognition of color, shape, and 3D structure of objects, we carried out functional magnetic resonance imaging (fMRI) of subjects while judging the contextual validity of the three visual contexts. Our results demonstrated that the modes of effective connectivity in the cortical pathways, as well as the patterns of activation in these pathways, were dynamical depending on the nature of the visual contexts. While the fusiform gyrus, superior parietal lobe, and inferior prefrontal gyrus were activated by the three visual contexts, the temporal and parahippocampal gyrus/Amygdala (PHG/Amg) cortices were activated only by the color context. We further carried out dynamic causal modeling (DCM) analysis and revealed the nature of the effective connectivity involved in the three contextual information processing. DCM showed that there were dynamic connections and collaborations among the brain regions belonging to the previously identified ventral and dorsal visual pathways. |
| first_indexed | 2024-12-16T10:00:29Z |
| format | Article |
| id | doaj.art-cb7cac259c174f2990b4c8d2e8d535e8 |
| institution | Directory Open Access Journal |
| issn | 1662-5153 |
| language | English |
| last_indexed | 2024-12-16T10:00:29Z |
| publishDate | 2017-05-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Behavioral Neuroscience |
| spelling | doaj.art-cb7cac259c174f2990b4c8d2e8d535e82022-12-21T22:35:49ZengFrontiers Media S.A.Frontiers in Behavioral Neuroscience1662-51532017-05-011110.3389/fnbeh.2017.00064239691Modes of Effective Connectivity within Cortical Pathways Are Distinguished for Different Categories of Visual Context: An fMRI StudyQiong Wu0Jinglong Wu1Jinglong Wu2Shigeko Takahashi3Qiang Huang4Hongzan Sun5Qiyong Guo6Yoshio Ohtani7Yoshimichi Ejima8Xu Zhang9Chunlin Li10Tianyi Yan11Tianyi Yan12Key Laboratory of Biomimetic Robots and System, Ministry of Education, State Key Laboratory of Intelligent Control and Decision of Complex Systems, Beijing Institute of TechnologyBeijing, ChinaKey Laboratory of Biomimetic Robots and System, Ministry of Education, State Key Laboratory of Intelligent Control and Decision of Complex Systems, Beijing Institute of TechnologyBeijing, ChinaCognitive Neuroscience Laboratory, Graduate School of Natural Science and Technology, Okayama UniversityOkayama, JapanKyoto City University of ArtsKyoto, JapanKey Laboratory of Biomimetic Robots and Systems, Ministry of Education, Beijing Institute of TechnologyBeijing, ChinaDepartment of Radiology, Shengjing Hospital of China Medical UniversityShenyang, ChinaDepartment of Radiology, Shengjing Hospital of China Medical UniversityShenyang, ChinaFaculty of Engineering and Design, Kyoto Institute of TechnologyKyoto, JapanKey Laboratory of Biomimetic Robots and System, Ministry of Education, State Key Laboratory of Intelligent Control and Decision of Complex Systems, Beijing Institute of TechnologyBeijing, ChinaSchool of Biomedical Engineering, Capital Medical UniversityBeijing, ChinaSchool of Biomedical Engineering, Capital Medical UniversityBeijing, ChinaSchool of Life Science, Beijing Institute of TechnologyBeijing, ChinaKey Laboratory of Convergence Medical Engineering System and Healthcare Technology, The Ministry of Industry and Information Technology, Beijing Institute of TechnologyBeijing, ChinaContext contributes to accurate and efficient information processing. To reveal the dynamics of the neural mechanisms that underlie the processing of visual contexts during the recognition of color, shape, and 3D structure of objects, we carried out functional magnetic resonance imaging (fMRI) of subjects while judging the contextual validity of the three visual contexts. Our results demonstrated that the modes of effective connectivity in the cortical pathways, as well as the patterns of activation in these pathways, were dynamical depending on the nature of the visual contexts. While the fusiform gyrus, superior parietal lobe, and inferior prefrontal gyrus were activated by the three visual contexts, the temporal and parahippocampal gyrus/Amygdala (PHG/Amg) cortices were activated only by the color context. We further carried out dynamic causal modeling (DCM) analysis and revealed the nature of the effective connectivity involved in the three contextual information processing. DCM showed that there were dynamic connections and collaborations among the brain regions belonging to the previously identified ventral and dorsal visual pathways.http://journal.frontiersin.org/article/10.3389/fnbeh.2017.00064/fullcontextual informationcolor contextshape context3D-depth contextfMRIdynamic causal modeling |
| spellingShingle | Qiong Wu Jinglong Wu Jinglong Wu Shigeko Takahashi Qiang Huang Hongzan Sun Qiyong Guo Yoshio Ohtani Yoshimichi Ejima Xu Zhang Chunlin Li Tianyi Yan Tianyi Yan Modes of Effective Connectivity within Cortical Pathways Are Distinguished for Different Categories of Visual Context: An fMRI Study Frontiers in Behavioral Neuroscience contextual information color context shape context 3D-depth context fMRI dynamic causal modeling |
| title | Modes of Effective Connectivity within Cortical Pathways Are Distinguished for Different Categories of Visual Context: An fMRI Study |
| title_full | Modes of Effective Connectivity within Cortical Pathways Are Distinguished for Different Categories of Visual Context: An fMRI Study |
| title_fullStr | Modes of Effective Connectivity within Cortical Pathways Are Distinguished for Different Categories of Visual Context: An fMRI Study |
| title_full_unstemmed | Modes of Effective Connectivity within Cortical Pathways Are Distinguished for Different Categories of Visual Context: An fMRI Study |
| title_short | Modes of Effective Connectivity within Cortical Pathways Are Distinguished for Different Categories of Visual Context: An fMRI Study |
| title_sort | modes of effective connectivity within cortical pathways are distinguished for different categories of visual context an fmri study |
| topic | contextual information color context shape context 3D-depth context fMRI dynamic causal modeling |
| url | http://journal.frontiersin.org/article/10.3389/fnbeh.2017.00064/full |
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