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Efficient neuromagnetic determination of landmarks in the somatosensory cortex
| Content Provider | Semantic Scholar |
|---|---|
| Author | Mertens, Markus Lütkenhöner, Bernd |
| Copyright Year | 2000 |
| Abstract | OBJECTIVES An efficient procedure for the magnetoencephalographic determination of functional landmarks in the somatosensory cortex has been developed. METHODS Digits 2-5 are stimulated in randomized order using balloon diaphragms. The interval between two stimuli is 500 ms. Source locations in area 3b are derived by interpreting the field component with a mean latency of 48 ms in terms of an equivalent current dipole. RESULTS The signal-to-noise ratio achieved in a given time for each of the 4 stimulation sites turned out to be only slightly smaller than the one obtained by stimulating a single site with an optimal interstimulus interval (about 1 s). CONCLUSIONS Compared to a sequential investigation of the different sites, the proposed procedure allows the reduction of the overall measurement time by a factor of about 2.7. |
| Starting Page | 1478 |
| Ending Page | 1487 |
| Page Count | 10 |
| File Format | PDF HTM / HTML |
| DOI | 10.1016/S1388-2457(00)00349-7 |
| PubMed reference number | 10904230 |
| Journal | Medline |
| Volume Number | 111 |
| Alternate Webpage(s) | https://api.elsevier.com/content/article/pii/S1388245700003497 |
| Alternate Webpage(s) | https://www.sciencedirect.com/science/article/pii/S1388245700003497?dgcid=api_sd_search-api-endpoint |
| Alternate Webpage(s) | http://www.sci.utah.edu/~wolters/LiteraturZurVorlesung/Literatur/G:_Applications/SEPSEF/MertensLuetkenhoener_ClinNeurophysiol_2000.pdf |
| Alternate Webpage(s) | https://doi.org/10.1016/S1388-2457%2800%2900349-7 |
| Journal | Clinical Neurophysiology |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
