MEG localization of language-specific cortex utilizing MR-FOCUSS
To demonstrate noninvasive localization of cognitive cortical areas involved in language processing with magnetoencephalography (MEG) interpreted by multiresolution FOCUSS (MR-FOCUSS), a current density imaging technique. MEG data were collected during verb-generation and picture-naming tasks from 1...
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| Veröffentlicht in: | Neurology 2004-06, Vol.62 (12), p.2247-2255 |
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| creator | BOWYER, S. M MORAN MASON CONSTANTINOU SMITH, B. J BARKLEY, G. L TEPLEY, N |
| description | To demonstrate noninvasive localization of cognitive cortical areas involved in language processing with magnetoencephalography (MEG) interpreted by multiresolution FOCUSS (MR-FOCUSS), a current density imaging technique.
MEG data were collected during verb-generation and picture-naming tasks from 18 right-handed control subjects and 24 right-handed patients with epilepsy.
The averaged epic data from the verb-generation task, analyzed by MR-FOCUSS, showed initial activation in the left supramarginal gyrus, superior temporal gyrus, and angular gyrus at 239 +/- 31 ms in all subjects, consistent with other language mapping studies. Average amplitude of underlying cortical sources was approximately 452 pAm. The averaged epic data from the picture-naming task, analyzed by MR-FOCUSS, showed activation in the left inferior frontal gyrus (IFG) area starting at 436 +/- 40 ms in all subjects. Average amplitudes of underlying cortical sources were approximately 380 pAm.
The time course of neuronal language processing can be imaged noninvasively with millisecond resolution by magnetoencephalography using the multiresolution FOCUSS technique. |
| doi_str_mv | 10.1212/01.WNL.0000130385.21160.7A |
| format | Article |
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MEG data were collected during verb-generation and picture-naming tasks from 18 right-handed control subjects and 24 right-handed patients with epilepsy.
The averaged epic data from the verb-generation task, analyzed by MR-FOCUSS, showed initial activation in the left supramarginal gyrus, superior temporal gyrus, and angular gyrus at 239 +/- 31 ms in all subjects, consistent with other language mapping studies. Average amplitude of underlying cortical sources was approximately 452 pAm. The averaged epic data from the picture-naming task, analyzed by MR-FOCUSS, showed activation in the left inferior frontal gyrus (IFG) area starting at 436 +/- 40 ms in all subjects. Average amplitudes of underlying cortical sources were approximately 380 pAm.
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MEG data were collected during verb-generation and picture-naming tasks from 18 right-handed control subjects and 24 right-handed patients with epilepsy.
The averaged epic data from the verb-generation task, analyzed by MR-FOCUSS, showed initial activation in the left supramarginal gyrus, superior temporal gyrus, and angular gyrus at 239 +/- 31 ms in all subjects, consistent with other language mapping studies. Average amplitude of underlying cortical sources was approximately 452 pAm. The averaged epic data from the picture-naming task, analyzed by MR-FOCUSS, showed activation in the left inferior frontal gyrus (IFG) area starting at 436 +/- 40 ms in all subjects. Average amplitudes of underlying cortical sources were approximately 380 pAm.
The time course of neuronal language processing can be imaged noninvasively with millisecond resolution by magnetoencephalography using the multiresolution FOCUSS technique.</description><subject>Biological and medical sciences</subject><subject>Cerebral Cortex - physiology</subject><subject>Epilepsy - physiopathology</subject><subject>Evoked Potentials</subject><subject>Female</subject><subject>Humans</subject><subject>Language</subject><subject>Magnetoencephalography</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Neurology</subject><issn>0028-3878</issn><issn>1526-632X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpNkF1LwzAUhoMobk7_ghRB71rPSbo09coxtilsDpxD70KWpSPStbNpQf31RleY5-Y9F8_54CHkCiFCivQWMHp9mkbgCxkw0Y8oIocoGRyRLvYpDzmjb8ekC0BFyEQiOuTMuXeP92mSnpKOTwSRQpfcz0aTIC-1yu23qm1ZBGUW5KrYNGpjQrcz2mZWB7qsavMZNLX1nC02wew5HM-Hy8XinJxkKnfmos0eWY5HL8OHcDqfPA4H01DHQOtwLQylmcKVAL42JsU-xEnKGI9XKtaUKZ5wpjVQxX2bCq0McBQiTdYG0WjWIzf7vbuq_GiMq-XWOm1y_6spGyc553EMKffg3R7UVelcZTK5q-xWVV8SQf76k4DS-5MHf_LPn0wGfviyvdKstmZ9GG2FeeC6BZTz0rJKFdq6f5xIBUXGfgDYn3eW</recordid><startdate>20040622</startdate><enddate>20040622</enddate><creator>BOWYER, S. M</creator><creator>MORAN</creator><creator>MASON</creator><creator>CONSTANTINOU</creator><creator>SMITH, B. J</creator><creator>BARKLEY, G. L</creator><creator>TEPLEY, N</creator><general>Lippincott Williams & Wilkins</general><scope>IQODW</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></search><sort><creationdate>20040622</creationdate><title>MEG localization of language-specific cortex utilizing MR-FOCUSS</title><author>BOWYER, S. M ; MORAN ; MASON ; CONSTANTINOU ; SMITH, B. J ; BARKLEY, G. L ; TEPLEY, N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c402t-d8e22fa1b806dee91504793364ba4c23a6763cc02a6a6798cae0618897de11ec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Biological and medical sciences</topic><topic>Cerebral Cortex - physiology</topic><topic>Epilepsy - physiopathology</topic><topic>Evoked Potentials</topic><topic>Female</topic><topic>Humans</topic><topic>Language</topic><topic>Magnetoencephalography</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Neurology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>BOWYER, S. M</creatorcontrib><creatorcontrib>MORAN</creatorcontrib><creatorcontrib>MASON</creatorcontrib><creatorcontrib>CONSTANTINOU</creatorcontrib><creatorcontrib>SMITH, B. J</creatorcontrib><creatorcontrib>BARKLEY, G. L</creatorcontrib><creatorcontrib>TEPLEY, N</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>MEDLINE - Academic</collection><jtitle>Neurology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>BOWYER, S. M</au><au>MORAN</au><au>MASON</au><au>CONSTANTINOU</au><au>SMITH, B. J</au><au>BARKLEY, G. L</au><au>TEPLEY, N</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>MEG localization of language-specific cortex utilizing MR-FOCUSS</atitle><jtitle>Neurology</jtitle><addtitle>Neurology</addtitle><date>2004-06-22</date><risdate>2004</risdate><volume>62</volume><issue>12</issue><spage>2247</spage><epage>2255</epage><pages>2247-2255</pages><issn>0028-3878</issn><eissn>1526-632X</eissn><coden>NEURAI</coden><abstract>To demonstrate noninvasive localization of cognitive cortical areas involved in language processing with magnetoencephalography (MEG) interpreted by multiresolution FOCUSS (MR-FOCUSS), a current density imaging technique.
MEG data were collected during verb-generation and picture-naming tasks from 18 right-handed control subjects and 24 right-handed patients with epilepsy.
The averaged epic data from the verb-generation task, analyzed by MR-FOCUSS, showed initial activation in the left supramarginal gyrus, superior temporal gyrus, and angular gyrus at 239 +/- 31 ms in all subjects, consistent with other language mapping studies. Average amplitude of underlying cortical sources was approximately 452 pAm. The averaged epic data from the picture-naming task, analyzed by MR-FOCUSS, showed activation in the left inferior frontal gyrus (IFG) area starting at 436 +/- 40 ms in all subjects. Average amplitudes of underlying cortical sources were approximately 380 pAm.
The time course of neuronal language processing can be imaged noninvasively with millisecond resolution by magnetoencephalography using the multiresolution FOCUSS technique.</abstract><cop>Hagerstown, MD</cop><pub>Lippincott Williams & Wilkins</pub><pmid>15210890</pmid><doi>10.1212/01.WNL.0000130385.21160.7A</doi><tpages>9</tpages></addata></record> |
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| source | MEDLINE; Alma/SFX Local Collection; Journals@Ovid Complete |
| subjects | Biological and medical sciences Cerebral Cortex - physiology Epilepsy - physiopathology Evoked Potentials Female Humans Language Magnetoencephalography Male Medical sciences Neurology |
| title | MEG localization of language-specific cortex utilizing MR-FOCUSS |
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