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
Emerging adulthood and early adulthood to those in poor or rural parts of developing nations, who have no emerging adulthood and sometimes no adolescence due to comparatively early entry into marriage and adult-like work, young people in wealthier urban classes have begun to enter stages of development that resemble emerging adulthood, and the amount to do so is rising. Such individuals may develop a bicultural or hybrid identity, with part of themselves identifying with local culture and another part participating in the professional culture of the global economy. One finds examples of such a situation among the middle class young people in India, who lead