This work builds on the existing literature on the inhibition of facial expression by addressing gaps that have previously limited the interpretation of results. For years eyes have been associated with emotional expression on the face. Since this study this process has been called the Efference Hypothesis Decker, Of these eight, three were excluded due to expressing excessively in response to the negative video clip, two in response to the positive video clip, and three in response to both the negative and the positive video clips. Firstly, the principle of serviceable habits was explained by Darwin about how certain behaviours lead to rewards.
Facial Feedback Theory
The neural bases of emotion regulation: Psychological Review 2: Another part of the controversy has resulted from the difficulty of demonstrating the phenomenon in the laboratory. Further, Fridlund found that facial expressions facilitated pivotal points in social interaction, such as during social greetings. The facial feedback hypothesis in human interaction: Results indicated differences in emotions in determining the pattern of physiological responses.
Facial Feedback Hypothesis | Encyclopedia of Psychology
An argument for basic emotions. Personality and emotional memory: Any type of risk like pregnancy, death? Studies have variously shown: Although they all differ in regard to the exact mechanism through which facial expressions produce or manage emotional experiences, all are collectively referred to as facial feedback theories.
Journal of Personality and Social Psychology, 17, Darwin's theory can be demonstrated, and the moderate, yet significant effect of this theory of emotions opens the door to new research on the "multiple and nonmutually exclusive plausible mechanisms"  of the effects of facial activity on emotions. Such facial expressions can show the world what we are feeling inside. Is it sensory feedback from the facial muscles and skin, unmediated by thinking, that affects emotional experience, as James, Darwin, Tomkins, and Izard have suggested? The results suggest a change in cognitive abilities to understand emotions that go beyond the age related abilities.