For technology to leverage this rich source of communication, tools that better model the breadth of information they convey are required. Floyd K, Burgoon JK. As facial expressions i. Deep Beauty Care 5. Laughter occurs along with speech in a coordinated pattern Provine, The specialization for infant signals of need is also specific to target receivers of the signal.
Since infants are subject to both maintenance and growth needs, they could be expected to modify even these seemingly inexpensive signals, depending on the potential for positive response.
Strategic Expression: Facial Expressions as Tools for Social Influence
Some have hypothesized that this is due to infancy, as humans are one of the few mammals who maintain regular eye contact with their mother while nursing. J Autism Dev Disord. A variety of individual ecological contexts are included here, mainly because of the general lack of empirical information on facial expressions in these different contexts. Rather, repeated signaling of intention or emotion is probably the biggest contributor to fitness accruing from facial expression. Darwin deduced that some animals communicated feelings of different emotional states with specific facial expressions.