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A facial expression is one or more motions or positions of the muscles beneath the skin of the face. These movements convey the emotional state of an individual to observers. Facial expressions are a form of nonverbal communication. They are a primary means of conveying social information between humans, but they also occur in most other ...
The Facial Action Coding System (FACS) is a system to taxonomize human facial movements by their appearance on the face, based on a system originally developed by a Swedish anatomist named Carl-Herman Hjortsjö. [ 1 ] It was later adopted by Paul Ekman and Wallace V. Friesen, and published in 1978. [ 2 ]
A means of communication is therefore a means to an end to make communication between people easier, more understandable and, above all, clearer. In everyday language, the term means of communication is often equated with the medium. However, the term "medium" is used in media studies to refer to a large number of concepts, some of which do not ...
Lip reading, also known as speechreading, is a technique of understanding a limited range of speech by visually interpreting the movements of the lips, face and tongue without sound. Estimates of the range of lip reading vary, with some figures as low as 30% because lip reading relies on context, language knowledge, and any residual hearing. [1]
Utterance being spoken. In spoken language analysis, an utterance is a continuous piece of speech, by one person, before or after which there is silence on the part of the person. [1] In the case of oral languages, it is generally, but not always, bounded by silence. Utterances do not exist in written language; only their representations do.
Emotion recognition is the process of identifying human emotion. People vary widely in their accuracy at recognizing the emotions of others. Use of technology to help people with emotion recognition is a relatively nascent research area. Generally, the technology works best if it uses multiple modalities in context.
For example, when reading an email, people are unable to hear the sender's voice or see the sender's facial expression; both voice and facial expressions are important social cues that allow one to understand how someone else is feeling, and without them, one can be more prone to misinterpret what someone is conveying in an email. [citation needed]
Affect display. Affect displays are the verbal and non-verbal displays of affect (emotion). [1] These displays can be through facial expressions, gestures and body language, volume and tone of voice, laughing, crying, etc. Affect displays can be altered or faked so one may appear one way, when they feel another (e.g., smiling when sad).