<P> Research on nonverbal communication rocketed during the mid 1960s by a number of psychologists and researchers . Argyle and Dean, for example, studied the relationship between eye contact and conversational distance . Ralph V. Exline examined patterns of looking while speaking and looking while listening . Eckhard Hess produced several studies pertaining to pupil dilation that were published in Scientific American . Robert Sommer studied the relationship between personal space and the environment . Robert Rosenthal discovered that expectations made by teachers and researchers can influence their outcomes, and that subtle, nonverbal cues may play an important role in this process . Albert Mehrabian studied the nonverbal cues of liking and immediacy . By the 1970s, a number of scholarly volumes in psychology summarized the growing body of research, such as Shirley Weitz's Nonverbal Communication and Marianne LaFrance and Clara Mayo's Moving Bodies . Popular books included Body Language (Fast, 1970), which focused on how to use nonverbal communication to attract other people, and How to Read a Person Like a Book (Nierenberg & Calero, 1971) which examined nonverbal behavior in negotiation situations . The Journal of Environmental Psychology and Nonverbal Behavior were also founded in 1978 . </P> <P> The pioneer F-M Facial Action Coding System 2.0 (F-M FACS 2.0) was created in 2017 by Dr. Freitas - Magalhães, and presents about 2,000 segments in 4K, using 3D technology and automatic and real - time recognition . </P> <Table> <Tr> <Td> </Td> <Td> This article possibly contains unsourced predictions, speculative material, or accounts of events that might not occur . Information must be verifiable and based on reliable published sources . Please help improve it by removing unsourced speculative content . (December 2015) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article possibly contains unsourced predictions, speculative material, or accounts of events that might not occur . Information must be verifiable and based on reliable published sources . Please help improve it by removing unsourced speculative content . (December 2015) (Learn how and when to remove this template message) </Td> </Tr>

A persons appearance is one way that information is communicated