Population Receptive Field Characteristics in the between- and Within-Digit Dimensions of the Undominant Hand in the Primary Somatosensory Cortex
Abstract Somatotopy is an important guiding principle for sensory fiber organization in the primary somatosensory cortex (S1), which reflects tactile information processing and is associated with disease-related reorganization. However, it is difficult to measure the neuronal encoding scheme in S1 i...
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| Veröffentlicht in: | Cerebral cortex (New York, N.Y. 1991) N.Y. 1991), 2021-08, Vol.31 (10), p.4427-4438 |
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| container_title | Cerebral cortex (New York, N.Y. 1991) |
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| creator | Wang, Luyao Zhang, Zhilin Okada, Tomohisa Li, Chunlin Chen, Duanduan Funahashi, Shintaro Wu, Jinglong Yan, Tianyi |
| description | Abstract
Somatotopy is an important guiding principle for sensory fiber organization in the primary somatosensory cortex (S1), which reflects tactile information processing and is associated with disease-related reorganization. However, it is difficult to measure the neuronal encoding scheme in S1 in vivo in normal participants. Here, we investigated the somatotopic map of the undominant hand using a Bayesian population receptive field (pRF) model. The model was established in hand space with between- and within-digit dimensions. In the between-digit dimension, orderly representation was found, which had low variability across participants. The pRF shape tended to be elliptical for digits with high spatial acuity, for which the long axis was along the within-digit dimension. In addition, the pRF width showed different change trends in the 2 dimensions across digits. These results provide new insights into the neural mechanisms in S1, allowing for in-depth investigation of somatosensory information processing and disease-related reorganization. |
| doi_str_mv | 10.1093/cercor/bhab097 |
| format | Article |
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Somatotopy is an important guiding principle for sensory fiber organization in the primary somatosensory cortex (S1), which reflects tactile information processing and is associated with disease-related reorganization. However, it is difficult to measure the neuronal encoding scheme in S1 in vivo in normal participants. Here, we investigated the somatotopic map of the undominant hand using a Bayesian population receptive field (pRF) model. The model was established in hand space with between- and within-digit dimensions. In the between-digit dimension, orderly representation was found, which had low variability across participants. The pRF shape tended to be elliptical for digits with high spatial acuity, for which the long axis was along the within-digit dimension. In addition, the pRF width showed different change trends in the 2 dimensions across digits. These results provide new insights into the neural mechanisms in S1, allowing for in-depth investigation of somatosensory information processing and disease-related reorganization.</description><identifier>ISSN: 1047-3211</identifier><identifier>EISSN: 1460-2199</identifier><identifier>DOI: 10.1093/cercor/bhab097</identifier><identifier>PMID: 33973012</identifier><language>eng</language><publisher>United States: Oxford University Press</publisher><subject>Adult ; Brain Mapping ; Female ; Fingers - innervation ; Fingers - physiology ; Functional Laterality - physiology ; Hand - innervation ; Hand - physiology ; Humans ; Magnetic Resonance Imaging ; Male ; Models, Neurological ; Original ; Physical Stimulation ; Population ; Psychomotor Performance - physiology ; Somatosensory Cortex - diagnostic imaging ; Somatosensory Cortex - physiology ; Space Perception ; Touch - physiology ; Young Adult</subject><ispartof>Cerebral cortex (New York, N.Y. 1991), 2021-08, Vol.31 (10), p.4427-4438</ispartof><rights>The Author(s) 2021. Published by Oxford University Press. 2021</rights><rights>The Author(s) 2021. Published by Oxford University Press.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c490t-9bad1425845d128c6d9c6ebe9d2432d6abf474c5092be40546f23612052abcbd3</citedby><cites>FETCH-LOGICAL-c490t-9bad1425845d128c6d9c6ebe9d2432d6abf474c5092be40546f23612052abcbd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,1578,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33973012$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Luyao</creatorcontrib><creatorcontrib>Zhang, Zhilin</creatorcontrib><creatorcontrib>Okada, Tomohisa</creatorcontrib><creatorcontrib>Li, Chunlin</creatorcontrib><creatorcontrib>Chen, Duanduan</creatorcontrib><creatorcontrib>Funahashi, Shintaro</creatorcontrib><creatorcontrib>Wu, Jinglong</creatorcontrib><creatorcontrib>Yan, Tianyi</creatorcontrib><title>Population Receptive Field Characteristics in the between- and Within-Digit Dimensions of the Undominant Hand in the Primary Somatosensory Cortex</title><title>Cerebral cortex (New York, N.Y. 1991)</title><addtitle>Cereb Cortex</addtitle><description>Abstract
Somatotopy is an important guiding principle for sensory fiber organization in the primary somatosensory cortex (S1), which reflects tactile information processing and is associated with disease-related reorganization. However, it is difficult to measure the neuronal encoding scheme in S1 in vivo in normal participants. Here, we investigated the somatotopic map of the undominant hand using a Bayesian population receptive field (pRF) model. The model was established in hand space with between- and within-digit dimensions. In the between-digit dimension, orderly representation was found, which had low variability across participants. The pRF shape tended to be elliptical for digits with high spatial acuity, for which the long axis was along the within-digit dimension. In addition, the pRF width showed different change trends in the 2 dimensions across digits. These results provide new insights into the neural mechanisms in S1, allowing for in-depth investigation of somatosensory information processing and disease-related reorganization.</description><subject>Adult</subject><subject>Brain Mapping</subject><subject>Female</subject><subject>Fingers - innervation</subject><subject>Fingers - physiology</subject><subject>Functional Laterality - physiology</subject><subject>Hand - innervation</subject><subject>Hand - physiology</subject><subject>Humans</subject><subject>Magnetic Resonance Imaging</subject><subject>Male</subject><subject>Models, Neurological</subject><subject>Original</subject><subject>Physical Stimulation</subject><subject>Population</subject><subject>Psychomotor Performance - physiology</subject><subject>Somatosensory Cortex - diagnostic imaging</subject><subject>Somatosensory Cortex - physiology</subject><subject>Space Perception</subject><subject>Touch - physiology</subject><subject>Young Adult</subject><issn>1047-3211</issn><issn>1460-2199</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>TOX</sourceid><sourceid>EIF</sourceid><recordid>eNqFkctu1jAQRiMEoqWwZYm8pIu0vibxBgn9pRSpEhVQsbR8mTRGiR1sp8Bj8Mak5KeCFSuP5TPHo_mq6jnBJwRLdmoh2ZhOzaANlu2D6pDwBteUSPlwrTFva0YJOaie5PwFY9JSQR9XB4zJlmFCD6ufV3FeRl18DOgDWJiLvwV07mF0aDfopG2B5HPxNiMfUBkAGSjfAEKNdHDosy-DD_WZv_EFnfkJQl5VGcX-N3sdXJx80KGgizt8r7hKftLpB_oYJ11iXpvietvFVOD70-pRr8cMz_bnUXV9_ubT7qK-fP_23e71ZW25xKWWRjvCqei4cIR2tnHSNmBAOsoZdY02PW-5FVhSAxwL3vSUNYRiQbWxxrGj6tXmnRczgbMQStKjmrfRVNRe_fsS_KBu4q3qOO4461bBy70gxa8L5KImny2Mow4Ql6zWVYtG8JaIFT3ZUJtizgn6-28IVnc5qi1Htc9xbXjx93D3-J_gVuB4A-Iy_0_2C2FVrZc</recordid><startdate>20210826</startdate><enddate>20210826</enddate><creator>Wang, Luyao</creator><creator>Zhang, Zhilin</creator><creator>Okada, Tomohisa</creator><creator>Li, Chunlin</creator><creator>Chen, Duanduan</creator><creator>Funahashi, Shintaro</creator><creator>Wu, Jinglong</creator><creator>Yan, Tianyi</creator><general>Oxford University Press</general><scope>TOX</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>5PM</scope></search><sort><creationdate>20210826</creationdate><title>Population Receptive Field Characteristics in the between- and Within-Digit Dimensions of the Undominant Hand in the Primary Somatosensory Cortex</title><author>Wang, Luyao ; Zhang, Zhilin ; Okada, Tomohisa ; Li, Chunlin ; Chen, Duanduan ; Funahashi, Shintaro ; Wu, Jinglong ; Yan, Tianyi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c490t-9bad1425845d128c6d9c6ebe9d2432d6abf474c5092be40546f23612052abcbd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adult</topic><topic>Brain Mapping</topic><topic>Female</topic><topic>Fingers - innervation</topic><topic>Fingers - physiology</topic><topic>Functional Laterality - physiology</topic><topic>Hand - innervation</topic><topic>Hand - physiology</topic><topic>Humans</topic><topic>Magnetic Resonance Imaging</topic><topic>Male</topic><topic>Models, Neurological</topic><topic>Original</topic><topic>Physical Stimulation</topic><topic>Population</topic><topic>Psychomotor Performance - physiology</topic><topic>Somatosensory Cortex - diagnostic imaging</topic><topic>Somatosensory Cortex - physiology</topic><topic>Space Perception</topic><topic>Touch - physiology</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Luyao</creatorcontrib><creatorcontrib>Zhang, Zhilin</creatorcontrib><creatorcontrib>Okada, Tomohisa</creatorcontrib><creatorcontrib>Li, Chunlin</creatorcontrib><creatorcontrib>Chen, Duanduan</creatorcontrib><creatorcontrib>Funahashi, Shintaro</creatorcontrib><creatorcontrib>Wu, Jinglong</creatorcontrib><creatorcontrib>Yan, Tianyi</creatorcontrib><collection>Oxford Journals Open Access Collection</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>PubMed Central (Full Participant titles)</collection><jtitle>Cerebral cortex (New York, N.Y. 1991)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Luyao</au><au>Zhang, Zhilin</au><au>Okada, Tomohisa</au><au>Li, Chunlin</au><au>Chen, Duanduan</au><au>Funahashi, Shintaro</au><au>Wu, Jinglong</au><au>Yan, Tianyi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Population Receptive Field Characteristics in the between- and Within-Digit Dimensions of the Undominant Hand in the Primary Somatosensory Cortex</atitle><jtitle>Cerebral cortex (New York, N.Y. 1991)</jtitle><addtitle>Cereb Cortex</addtitle><date>2021-08-26</date><risdate>2021</risdate><volume>31</volume><issue>10</issue><spage>4427</spage><epage>4438</epage><pages>4427-4438</pages><issn>1047-3211</issn><eissn>1460-2199</eissn><abstract>Abstract
Somatotopy is an important guiding principle for sensory fiber organization in the primary somatosensory cortex (S1), which reflects tactile information processing and is associated with disease-related reorganization. However, it is difficult to measure the neuronal encoding scheme in S1 in vivo in normal participants. Here, we investigated the somatotopic map of the undominant hand using a Bayesian population receptive field (pRF) model. The model was established in hand space with between- and within-digit dimensions. In the between-digit dimension, orderly representation was found, which had low variability across participants. The pRF shape tended to be elliptical for digits with high spatial acuity, for which the long axis was along the within-digit dimension. In addition, the pRF width showed different change trends in the 2 dimensions across digits. These results provide new insights into the neural mechanisms in S1, allowing for in-depth investigation of somatosensory information processing and disease-related reorganization.</abstract><cop>United States</cop><pub>Oxford University Press</pub><pmid>33973012</pmid><doi>10.1093/cercor/bhab097</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| source | Oxford University Press Journals All Titles (1996-Current); MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| subjects | Adult Brain Mapping Female Fingers - innervation Fingers - physiology Functional Laterality - physiology Hand - innervation Hand - physiology Humans Magnetic Resonance Imaging Male Models, Neurological Original Physical Stimulation Population Psychomotor Performance - physiology Somatosensory Cortex - diagnostic imaging Somatosensory Cortex - physiology Space Perception Touch - physiology Young Adult |
| title | Population Receptive Field Characteristics in the between- and Within-Digit Dimensions of the Undominant Hand in the Primary Somatosensory Cortex |
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