In a process comparable to insulin resistance, the sympathetic nervous system activity continues to increase, yet cells become less responsive. (womenshealthandfitness.com.au)
The decrease in central nervous system activity is what reduces the frequency of seizures. (thesprucepets.com)
This opposes an important sympathetic nervous system activity, which is to draw blood to the central part of the body as a protection against attack. (infraredsauna.com)