Facial expression responsible for controlling the expression differ in each case. Voluntary facial expressions are often socially conditioned and follow a cortical route in the brain. Conversely, involuntary facial expressions are believed to be innate and follow a subcortical route in the brain. Facial recognition is often an emotional experience for the brain and the amygdala is highly involved in the recognition process. The eyes are often viewed as important features of facial expressions. Aspects such as blinking rate can possibly be used to indicate whether a person is nervous or whether he or she is lying. Also, eye contact is considered
Facial toning Facial toning Facial toning, or facial exercise is a type of cosmetic procedure or physical therapy tool which promises to alter facial contours by means of increasing muscle tone, and facial volume by promoting muscular hypertrophy, and preventing muscle loss due to aging or facial paralysis. Facial toning and exercise is therefore in part a technique to achieve facial rejuvenation by reducing wrinkles, sagging and expression marks on the face and skin. As a physical therapy, facial toning is used for victims of stroke and forms of facial paralysis such as Bell’s palsy. Facial toning achieves this by performing facial