In critical theory, sociology, and psychoanalysis, the gaze (translated from French le regard) is the act of seeing and being seen. Numerous existentialists and phenomenologists have addressed the concept of gaze beginning with Jean-Paul Sartre.
Body language, on the other hand, does not have a grammar system and must be interpreted broadly, instead of having an absolute meaning corresponding with a certain movement, so it is not a language like sign language, and is simply termed as a "language" due to popular culture.
Eye tracking is the field of monitoring what people do with their eyes – observing what people choose to look at, how their eyes move, how their visual activities behave. Eye trackers are the instruments that measure our eye behavior.
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 is often an emotional experience for the brain and the amygdala is highly involved in the recognition process.
To take actions, hand gestures use Gaze as the targeting mechanism. The combination of Gaze and the Air tap gesture results in a gaze-and-commit interaction. An alternative to gaze-and-commit is point-and-commit, enabled by motion controllers.
As mentioned above, her conception of haptic visuality stems from Riegl, Deleuze and Guattari; she expands on both the haptic/optical distinction and psychoanalytic accounts of the Gaze, offering application to contemporary media objects.
Learn about paralinguistics, the study of vocal (and sometimes non-vocal) signals beyond the basic verbal message or speech. Learn about paralinguistics, the study of vocal (and sometimes non-vocal) signals beyond the basic verbal message or speech.
Full-text PDF on ResearchGate | This chapter focuses on the methodologies for coding behaviors in proxemics, kinesics (i.e. body and head movements), and gaze. The discussion in this chapter of methodological issues in body movement research is divided into two segments: body positions and body actions.