fMRI assessment of somatotopy in human Brodmann area 3b by electrical finger stimulation
FUNCTIONAL magnetic resonance imaging (fMRI) is capable of detecting focal brain activation induced by electrical stimulation of single fingers in human subjects. In eight subjects somatotopic arrangement of the second and fifth finger was found in Brodmann area 3b of the primary somatosensory corte...
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| Veröffentlicht in: | Neuroreport 1998-01, Vol.9 (2), p.207-209 |
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| container_title | Neuroreport |
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| creator | Kurth, Ralf Villringer, Kersten Mackert, Bruno-Marcel Schwiemann, Jessica Braun, Jürgen Curio, Gabriel Villringer, Arno Wolf, Karl-Jürgen |
| description | FUNCTIONAL magnetic resonance imaging (fMRI) is capable of detecting focal brain activation induced by electrical stimulation of single fingers in human subjects. In eight subjects somatotopic arrangement of the second and fifth finger was found in Brodmann area 3b of the primary somatosensory cortex. In four subjects the representation area of the second finger was located lateral and inferior to the fifth finger; in one subject the somatotopy was reversed. In three subjects representation areas of the two fingers in Brodmann area 3b were found overlapping. Additional activated areas were found on the crown of ipsilateral and contralateral post-central gyrus (Brodmann areas 1 and 2) and posterior parietal cortex. |
| doi_str_mv | 10.1097/00001756-199801260-00006 |
| format | Article |
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In eight subjects somatotopic arrangement of the second and fifth finger was found in Brodmann area 3b of the primary somatosensory cortex. In four subjects the representation area of the second finger was located lateral and inferior to the fifth finger; in one subject the somatotopy was reversed. In three subjects representation areas of the two fingers in Brodmann area 3b were found overlapping. Additional activated areas were found on the crown of ipsilateral and contralateral post-central gyrus (Brodmann areas 1 and 2) and posterior parietal cortex.</description><identifier>ISSN: 0959-4965</identifier><identifier>EISSN: 1473-558X</identifier><identifier>DOI: 10.1097/00001756-199801260-00006</identifier><identifier>PMID: 9507956</identifier><language>eng</language><publisher>Hagerstown, MD: Lippincott-Raven Publishers</publisher><subject>Adult ; Biological and medical sciences ; Electric Stimulation ; Female ; Fingers - innervation ; Fingers - physiology ; Fundamental and applied biological sciences. Psychology ; Humans ; Magnetic Resonance Imaging ; Male ; Somatosensory Cortex - physiology ; Somesthesis and somesthetic pathways (proprioception, exteroception, nociception); interoception; electrolocation. 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In eight subjects somatotopic arrangement of the second and fifth finger was found in Brodmann area 3b of the primary somatosensory cortex. In four subjects the representation area of the second finger was located lateral and inferior to the fifth finger; in one subject the somatotopy was reversed. In three subjects representation areas of the two fingers in Brodmann area 3b were found overlapping. Additional activated areas were found on the crown of ipsilateral and contralateral post-central gyrus (Brodmann areas 1 and 2) and posterior parietal cortex.</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Electric Stimulation</subject><subject>Female</subject><subject>Fingers - innervation</subject><subject>Fingers - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Magnetic Resonance Imaging</subject><subject>Male</subject><subject>Somatosensory Cortex - physiology</subject><subject>Somesthesis and somesthetic pathways (proprioception, exteroception, nociception); interoception; electrolocation. 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Psychology</topic><topic>Humans</topic><topic>Magnetic Resonance Imaging</topic><topic>Male</topic><topic>Somatosensory Cortex - physiology</topic><topic>Somesthesis and somesthetic pathways (proprioception, exteroception, nociception); interoception; electrolocation. Sensory receptors</topic><topic>Vertebrates: nervous system and sense organs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kurth, Ralf</creatorcontrib><creatorcontrib>Villringer, Kersten</creatorcontrib><creatorcontrib>Mackert, Bruno-Marcel</creatorcontrib><creatorcontrib>Schwiemann, Jessica</creatorcontrib><creatorcontrib>Braun, Jürgen</creatorcontrib><creatorcontrib>Curio, Gabriel</creatorcontrib><creatorcontrib>Villringer, Arno</creatorcontrib><creatorcontrib>Wolf, Karl-Jürgen</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Neuroreport</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kurth, Ralf</au><au>Villringer, Kersten</au><au>Mackert, Bruno-Marcel</au><au>Schwiemann, Jessica</au><au>Braun, Jürgen</au><au>Curio, Gabriel</au><au>Villringer, Arno</au><au>Wolf, Karl-Jürgen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>fMRI assessment of somatotopy in human Brodmann area 3b by electrical finger stimulation</atitle><jtitle>Neuroreport</jtitle><addtitle>Neuroreport</addtitle><date>1998-01-26</date><risdate>1998</risdate><volume>9</volume><issue>2</issue><spage>207</spage><epage>209</epage><pages>207-209</pages><issn>0959-4965</issn><eissn>1473-558X</eissn><abstract>FUNCTIONAL magnetic resonance imaging (fMRI) is capable of detecting focal brain activation induced by electrical stimulation of single fingers in human subjects. In eight subjects somatotopic arrangement of the second and fifth finger was found in Brodmann area 3b of the primary somatosensory cortex. In four subjects the representation area of the second finger was located lateral and inferior to the fifth finger; in one subject the somatotopy was reversed. In three subjects representation areas of the two fingers in Brodmann area 3b were found overlapping. Additional activated areas were found on the crown of ipsilateral and contralateral post-central gyrus (Brodmann areas 1 and 2) and posterior parietal cortex.</abstract><cop>Hagerstown, MD</cop><pub>Lippincott-Raven Publishers</pub><pmid>9507956</pmid><doi>10.1097/00001756-199801260-00006</doi><tpages>3</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Neuroreport, 1998-01, Vol.9 (2), p.207-209 |
| issn | 0959-4965 1473-558X |
| language | eng |
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| source | MEDLINE; Journals@Ovid Complete |
| subjects | Adult Biological and medical sciences Electric Stimulation Female Fingers - innervation Fingers - physiology Fundamental and applied biological sciences. Psychology Humans Magnetic Resonance Imaging Male Somatosensory Cortex - physiology Somesthesis and somesthetic pathways (proprioception, exteroception, nociception) interoception electrolocation. Sensory receptors Vertebrates: nervous system and sense organs |
| title | fMRI assessment of somatotopy in human Brodmann area 3b by electrical finger stimulation |
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