Multiscale Coupling of Transcranial Direct Current Stimulation to Neuron Electrodynamics: Modeling the Influence of the Transcranial Electric Field on Neuronal Depolarization

Figure 15

Transmembrane voltage increase in plane through left motor cortex viewed from the back of the head. The arrows in (a) locate the primary motor cortex region.

(a) = 1 ms

(b) = 10 ms

(c) = 20 ms

(d) = 50 ms