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They can include mouth shape, eye gazes, facial expressions, body shifting, head tilting, and eyebrow raising. Non -manual grammatical markings can also aid in identifying sentence type, which is especially relevant to our discussion of different types of interrogatives.
In the 19th century, Andrea De Jorio an Italian antiquarian who considered a lot of research about body language published an extensive account of gesture expressions. [ 9 ] Andrew N. Meltzoff an American psychologist internationally renown for infant and child development conducted a study in 1977 on the imitation of facial and manual gestures ...
These include paralinguistic features which are forms of communication that do not involve words but are added around an utterance to give meaning. Examples of paralinguistic features include facial expressions, laughter, eye contact, and gestures. Prosodic features refer to the sound of someone's voice as they speak: pitch, intonation and stress.
SignWriting, developed by Valerie Sutton in 1974, is a system for representing sign languages phonetically (including mouthing, facial expression and dynamics of movement). The script is sometimes used for detailed research, language documentation, as well as publishing texts and works in sign languages.
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 can be an emotional experience for the brain and the amygdala is highly involved in the recognition process.
The way a person feels about an idea/concept, event, or another person can be quickly determined through facial expressions, gestures and in the tone of voice used. In literature an author sets the tone through word choice that create imagery, perspective, tone, subject matter, and more. [ 14 ]
In a study published in the journal Behavioural Processes last month, two US scientists counted 276 different facial expressions when domesticated cats interacted with one another.
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