[Simnibs-discuss] anodal vs. cathodal tDCS but same e-field patterns
fabio.masina83 at gmail.com
Sat Dec 19 13:29:33 CET 2020
I tried to perform two tDCS simulations (both setting 2mA) using the
default head model (i.e., Ernie). The electrode positions were:
1st simulation_anodal tDCS (target electrode on F7, return on FP2)
2nd simulation_cathodal tDCS (target electrode on F7, return on FP2)
Basically, I only changed the current direction, by changing the polarity
of the target electrode accordingly to the kind of stimulation (2mA for
anodal tDCS and -2mA for cathodal tDCS).
After launching these simulations separately, I realized that the outputs
were exactly the same. Actually, I would have expected to view two
oppositive outputs. I mean, I would have expected two opposite e-field
patterns. Maybe, am I missing something?
Thanks for any suggestion.
*Fabio Masina, PhD*
IRCCS, Ospedale San Camillo
Via Alberoni 70, 30126
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