[Eeglablist] component time for Dipole fitting

Maayan Gal-On maayangal at gmail.com
Sun Dec 2 04:47:40 PST 2007


Hello all,
We are currently trying to perform dipole localization using the DIPFIT
plug-in, and wish to know for what time it is done. The dipole fitting is
done on each component (as chosen by user), but no time is specified, thus
it's not clear to us which time point is represented in the dipole fitting
result.

Also, the presentation of the ICA components maps (using  topoplot) is
timeless.i.e- there is no option to chose the latencies as done in plotting
the ERP's scalp map. This is a problem, because with no time specified we
can't relay on the maps to chose the appropriate component for dipole
fitting.
We would like to know, how can one decide on the time for the components map
presentation?

One last question,
The dipoles we get using dipfit do not seem to relate to the ICA components
maps, should there be such a correlation?


Thank you,

Maayan & Danit
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