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. Author manuscript; available in PMC: 2010 Dec 6.
Published in final edited form as: Exp Neurol. 2009 Apr 5;219(1):27–35. doi: 10.1016/j.expneurol.2009.03.029

Figure 3. MST coil design.

Figure 3

Figure 8 coil (left), double cone coil (middle), cap coil (right). The figure 8 coil was least efficient in seizure induction. The Double cone coil conforms well to vertex and midline prefrontal placements and was more efficient in seizure induction. The cap coil, which is a round coil with concave windings to conform closely to the scalp, was highly efficient in inducing seizure with a bilateral placement.