Talk:Electroconvulsive therapy

Why are we mentioning voltage and current, but not impedance?
Please, to make the information more correct, mention the follow information. It's crucially important.

"However, only about 1% of the electrical current crosses the bony skull into the brain because skull impedance is about 100 times higher than skin impedance (Weaver et al., 1976)." https://assets.cambridge.org/97805218/83887/excerpt/9780521883887_excerpt.pdf