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Humans are emotional creatures. Our emotional state informs how we behave from the most fundamental processes, to complex actions and difficult decisions [1, 2]. Our lives are in many ways guided by our emotions, so knowing more about emotions allows us to know more about human behavior more generally.
Editors: MandalManas K. This important volume provides a holistic understanding of the cultural, psychological, neurological and biological elements involved in human facial expressions and of computational models in the analyses of expressions. It includes methodological and technical discussions by leading scholars across the world on the subject.
Body language refers to the nonverbal signals that we use to communicate. According to experts, these nonverbal signals make up a huge part of daily communication. It has been suggested that body language may account for between 60 percent to 65 percent of all communication.
Do you greet someone with a big grin or a disappointing sulk? It's generally their facial expression. And when you meet someone for the first time, you're likely to remember if they greeted you with a big grin or a disappointing sulk.
Some are victims, others are suspects — but in either case I need to learn the truth, and do so by placing reliance upon the one undeniable universal language as exemplified in the way our facial expressions and body language correspond. It is also pertinent to note that, even without training or specific awareness and almost instinctively, people will apply the same assessment criteria, even unwittingly, to your speech and actions as well, and therefore for the interrogator it is even more important to understand and be able to manipulate the talent to seek to achieve the stated objectives. The six basic emotionsgenerally are easily identifiable in all, and by all, are: happy, angry, sad, fearful, surprised and disgusted.
Those expressions are correct! The ways our face expresses emotion are varied, but the interpretations are pretty much universal. A Smile definitely is universal. It makes people feel liked and gives the impression you care about them.
A facial expression  is one or more motions or positions of the muscles beneath the skin of the face. According to one set of controversial theories, these movements convey the emotional state of an individual to observers. Facial expressions are a form of nonverbal communication.
A recent research has shown something very surprising, people who used botox, which is an injection that helps older people get rid of wrinkles became less likely to get depressed!! Moreover people who used botox reported experiencing less sadness and being less affected when watching drama on television. What's happening here?