The ‘when’ and ‘where’ of semantic coding in the anterior temporal lobe: Temporal representational similarity analysis of electrocorticogram data
Electrocorticograms (ECoG) provide a unique opportunity to monitor neural activity directly at the cortical surface. Ten patients with subdural electrodes covering ventral and lateral anterior temporal regions (ATL) performed a picture naming task. Temporal representational similarity analysis (RSA)...
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| Veröffentlicht in: | Cortex 2016-06, Vol.79, p.1-13 |
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| container_title | Cortex |
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| creator | Chen, Y. Shimotake, A. Matsumoto, R. Kunieda, T. Kikuchi, T. Miyamoto, S. Fukuyama, H. Takahashi, R. Ikeda, A. Lambon Ralph, M.A. |
| description | Electrocorticograms (ECoG) provide a unique opportunity to monitor neural activity directly at the cortical surface. Ten patients with subdural electrodes covering ventral and lateral anterior temporal regions (ATL) performed a picture naming task. Temporal representational similarity analysis (RSA) was used, for the first time, to compare spatio-temporal neural patterns from the ATL surface with pre-defined theoretical models. The results indicate that the neural activity in the ventral subregion of the ATL codes semantic representations from 250 msec after picture onset. The observed activation similarity was not related to the visual similarity of the pictures or the phonological similarity of their names. In keeping with convergent evidence for the importance of the ATL in semantic processing, these results provide the first direct evidence of semantic coding from the surface of the ventral ATL and its time-course. |
| doi_str_mv | 10.1016/j.cortex.2016.02.015 |
| format | Article |
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Ten patients with subdural electrodes covering ventral and lateral anterior temporal regions (ATL) performed a picture naming task. Temporal representational similarity analysis (RSA) was used, for the first time, to compare spatio-temporal neural patterns from the ATL surface with pre-defined theoretical models. The results indicate that the neural activity in the ventral subregion of the ATL codes semantic representations from 250 msec after picture onset. The observed activation similarity was not related to the visual similarity of the pictures or the phonological similarity of their names. In keeping with convergent evidence for the importance of the ATL in semantic processing, these results provide the first direct evidence of semantic coding from the surface of the ventral ATL and its time-course.</description><identifier>ISSN: 0010-9452</identifier><identifier>EISSN: 1973-8102</identifier><identifier>DOI: 10.1016/j.cortex.2016.02.015</identifier><identifier>PMID: 27085891</identifier><language>eng</language><publisher>Italy: Elsevier Ltd</publisher><subject>Adolescent ; Adult ; Anterior temporal lobe ; Brain Mapping - methods ; Electrocorticography ; Female ; Humans ; Male ; Middle Aged ; Multi-voxel pattern analysis ; Neuropsychological Tests ; Pattern Recognition, Visual - physiology ; Photic Stimulation ; Reaction Time - physiology ; Representational similarity ; Research Report ; Semantic representation ; Temporal Lobe - physiology ; Young Adult</subject><ispartof>Cortex, 2016-06, Vol.79, p.1-13</ispartof><rights>2016 The Authors</rights><rights>Copyright © 2016 The Authors. Published by Elsevier Ltd.. All rights reserved.</rights><rights>2016 The Authors 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c562t-4cfc47ad54d5d614d5daf3695beff8816e91d6c392735a158cae2f4275302ce83</citedby><cites>FETCH-LOGICAL-c562t-4cfc47ad54d5d614d5daf3695beff8816e91d6c392735a158cae2f4275302ce83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0010945216300302$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>230,314,776,780,881,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27085891$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Y.</creatorcontrib><creatorcontrib>Shimotake, A.</creatorcontrib><creatorcontrib>Matsumoto, R.</creatorcontrib><creatorcontrib>Kunieda, T.</creatorcontrib><creatorcontrib>Kikuchi, T.</creatorcontrib><creatorcontrib>Miyamoto, S.</creatorcontrib><creatorcontrib>Fukuyama, H.</creatorcontrib><creatorcontrib>Takahashi, R.</creatorcontrib><creatorcontrib>Ikeda, A.</creatorcontrib><creatorcontrib>Lambon Ralph, M.A.</creatorcontrib><title>The ‘when’ and ‘where’ of semantic coding in the anterior temporal lobe: Temporal representational similarity analysis of electrocorticogram data</title><title>Cortex</title><addtitle>Cortex</addtitle><description>Electrocorticograms (ECoG) provide a unique opportunity to monitor neural activity directly at the cortical surface. Ten patients with subdural electrodes covering ventral and lateral anterior temporal regions (ATL) performed a picture naming task. Temporal representational similarity analysis (RSA) was used, for the first time, to compare spatio-temporal neural patterns from the ATL surface with pre-defined theoretical models. The results indicate that the neural activity in the ventral subregion of the ATL codes semantic representations from 250 msec after picture onset. The observed activation similarity was not related to the visual similarity of the pictures or the phonological similarity of their names. In keeping with convergent evidence for the importance of the ATL in semantic processing, these results provide the first direct evidence of semantic coding from the surface of the ventral ATL and its time-course.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Anterior temporal lobe</subject><subject>Brain Mapping - methods</subject><subject>Electrocorticography</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Multi-voxel pattern analysis</subject><subject>Neuropsychological Tests</subject><subject>Pattern Recognition, Visual - physiology</subject><subject>Photic Stimulation</subject><subject>Reaction Time - physiology</subject><subject>Representational similarity</subject><subject>Research Report</subject><subject>Semantic representation</subject><subject>Temporal Lobe - physiology</subject><subject>Young Adult</subject><issn>0010-9452</issn><issn>1973-8102</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFUk2PFCEQJUbjjqv_wBiOXroFGrppDyZm41eyiZfxTBionmHSDSMwu85tf4b79_aXSGdmV73oBXhFveIV9RB6SUlNCW3fbGsTYoYfNSuoJqwmVDxCC9p3TSUpYY_RghBKqp4LdoaepbQlhBEpxFN0xrpykD1doNvlBvDdzc_rDfi7m1usvT3BCDMOA04waZ-dwSZY59fYeZwLqcQguhBxhmkXoh7xGFbwFi_vYYRdhAQ-6-yCL4HkJjfq6PKhkPV4SC7N9WEEk2OYu3EmrKOesNVZP0dPBj0meHHaz9G3jx-WF5-ry6-fvly8v6yMaFmuuBkM77QV3Arb0nnVQ9P2YgXDICVtoae2NU3PukZoKqTRwAbOOtEQZkA25-jdse5uv5rAmiK4qFe76CYdDypop_6-8W6j1uFKcSl529FS4PWpQAzf95CymlwyMI7aQ9gnRSWRLW8E7_6f2vWkLRopKan8mGpiSCnC8KCIEjUbQG3V0QBqNoAiTBUDFNqrP7t5IN1P_He7UP70ykFUyTjwBqyLZQ7KBvfvF34BXKLMXQ</recordid><startdate>201606</startdate><enddate>201606</enddate><creator>Chen, Y.</creator><creator>Shimotake, A.</creator><creator>Matsumoto, R.</creator><creator>Kunieda, T.</creator><creator>Kikuchi, T.</creator><creator>Miyamoto, S.</creator><creator>Fukuyama, H.</creator><creator>Takahashi, R.</creator><creator>Ikeda, A.</creator><creator>Lambon Ralph, M.A.</creator><general>Elsevier Ltd</general><general>Masson</general><scope>6I.</scope><scope>AAFTH</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7TK</scope><scope>5PM</scope></search><sort><creationdate>201606</creationdate><title>The ‘when’ and ‘where’ of semantic coding in the anterior temporal lobe: Temporal representational similarity analysis of electrocorticogram data</title><author>Chen, Y. ; Shimotake, A. ; Matsumoto, R. ; Kunieda, T. ; Kikuchi, T. ; Miyamoto, S. ; Fukuyama, H. ; Takahashi, R. ; Ikeda, A. ; Lambon Ralph, M.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c562t-4cfc47ad54d5d614d5daf3695beff8816e91d6c392735a158cae2f4275302ce83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Anterior temporal lobe</topic><topic>Brain Mapping - methods</topic><topic>Electrocorticography</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Multi-voxel pattern analysis</topic><topic>Neuropsychological Tests</topic><topic>Pattern Recognition, Visual - physiology</topic><topic>Photic Stimulation</topic><topic>Reaction Time - physiology</topic><topic>Representational similarity</topic><topic>Research Report</topic><topic>Semantic representation</topic><topic>Temporal Lobe - physiology</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Y.</creatorcontrib><creatorcontrib>Shimotake, A.</creatorcontrib><creatorcontrib>Matsumoto, R.</creatorcontrib><creatorcontrib>Kunieda, T.</creatorcontrib><creatorcontrib>Kikuchi, T.</creatorcontrib><creatorcontrib>Miyamoto, S.</creatorcontrib><creatorcontrib>Fukuyama, H.</creatorcontrib><creatorcontrib>Takahashi, R.</creatorcontrib><creatorcontrib>Ikeda, A.</creatorcontrib><creatorcontrib>Lambon Ralph, M.A.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Neurosciences Abstracts</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Cortex</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Y.</au><au>Shimotake, A.</au><au>Matsumoto, R.</au><au>Kunieda, T.</au><au>Kikuchi, T.</au><au>Miyamoto, S.</au><au>Fukuyama, H.</au><au>Takahashi, R.</au><au>Ikeda, A.</au><au>Lambon Ralph, M.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The ‘when’ and ‘where’ of semantic coding in the anterior temporal lobe: Temporal representational similarity analysis of electrocorticogram data</atitle><jtitle>Cortex</jtitle><addtitle>Cortex</addtitle><date>2016-06</date><risdate>2016</risdate><volume>79</volume><spage>1</spage><epage>13</epage><pages>1-13</pages><issn>0010-9452</issn><eissn>1973-8102</eissn><abstract>Electrocorticograms (ECoG) provide a unique opportunity to monitor neural activity directly at the cortical surface. Ten patients with subdural electrodes covering ventral and lateral anterior temporal regions (ATL) performed a picture naming task. Temporal representational similarity analysis (RSA) was used, for the first time, to compare spatio-temporal neural patterns from the ATL surface with pre-defined theoretical models. The results indicate that the neural activity in the ventral subregion of the ATL codes semantic representations from 250 msec after picture onset. The observed activation similarity was not related to the visual similarity of the pictures or the phonological similarity of their names. In keeping with convergent evidence for the importance of the ATL in semantic processing, these results provide the first direct evidence of semantic coding from the surface of the ventral ATL and its time-course.</abstract><cop>Italy</cop><pub>Elsevier Ltd</pub><pmid>27085891</pmid><doi>10.1016/j.cortex.2016.02.015</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Adolescent Adult Anterior temporal lobe Brain Mapping - methods Electrocorticography Female Humans Male Middle Aged Multi-voxel pattern analysis Neuropsychological Tests Pattern Recognition, Visual - physiology Photic Stimulation Reaction Time - physiology Representational similarity Research Report Semantic representation Temporal Lobe - physiology Young Adult |
| title | The ‘when’ and ‘where’ of semantic coding in the anterior temporal lobe: Temporal representational similarity analysis of electrocorticogram data |
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