Name
Abstract | ||
|---|---|---|
Determining the cortical region that is effectively targeted by TMS to induce a reproducible behavioral effect is a non-trivial problem. In mapping experiments, a grid of coil positions is used to systematically assess the TMS effect on, e.g. muscle responses or error rates. The center-of-mass (CoM) of the response distribution is projected onto the cortex to determine the likely target site, implicitly assuming the existence of a single, contiguous target. The mapping results, however, often contain several local maxima. These could either stem from measurement noise, or hint towards a distributed target region. Critically, the calculation of a CoM, by design, treats multiple maxima as if they were noise. |
Year | DOI | Venue |
|---|---|---|
2009 | 10.1016/j.neuroimage.2009.04.021 | NeuroImage |
Keywords | Field | DocType |
center of mass,goodness of fit,confidence region,monte carlo simulation,error rate,electric field | Visual Suppression,Transcranial magnetic stimulation,Data mapping,Computer science,Cognitive psychology,Algorithm,Maxima and minima,Electromagnetic coil,Field strength,Statistics,Maxima,Sigmoid function | Journal |
Volume | Issue | ISSN |
47 | 4 | 1053-8119 |
Citations | PageRank | References |
2 | 0.47 | 3 |
Authors | ||
2 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| A Thielscher | 1 | 6 | 1.17 |
| F A Wichmann | 2 | 231 | 17.54 |