Another is to highlight a third-relatum which encapsulates various conditions of perception such as one's spatiotemporal perspective, perceptual modality, and other conditions of perception variation in which can make for variation in phenomenal character (Campbell (2009), Brewer (2011)).
One topic of interest considers the perception variation related to medical intervention types available to guide stakeholders in developing specific telehealth programs.
Under special conditions an asymmetric interaction has been reported between different aspects of face perception: irrelevant variations in facial expression or facial speech do not influence reaction times in a face identity task, while irrelevant variations in facial identity do influence performance in a facial expression classification task [106].
2D processing is followed by a second stage ("3D processing") wherein the 3D interpretation of the scene and the light field are both used to correct lightness perception for variations in the light field with changes in surface location and orientation in the scene.
Perception of variations in environmental as well as internal developmental cues, transduction and amplification of signals and activation of the response to stimuli is crucial for survival, optimal growth and development.
Moreover, investigations exploring cardiovascular activity in emotion perception assessed variations as a function of differences in stimulus intensity, as this variable was revealed critical in eliciting orienting or defense response [ 27, 30- 32].
Perception of variations in auxin homeostasis and downstream signaling events has been analyzed extensively in the model plant Arabidopsis, which led to establishment of pathways specifically required for the transmission of hormonal signals (Boer et al., 2014; Dharmasiri et al., 2005; Kepinski and Leyser, 2005; Paciorek et al., 2005; Ulmasov et al., 1999; Xu et al., 2010).
Pedestrians' perception of variation of temperature differs between those in the northern Sweden and those in the central and southern Sweden.
Significantly, although language issues such as English proficiency (e.g. [23]) are highlighted, individual perceptions and variations of words in the 'same' language are often assumed not to be an issue.
As is stressed by Ohala and Feder [37] and summarized by, for example, Kleber et al. [40], sound changes can occur despite a "subtraction mechanism" due to a misalignment between the production and perception of variation [85].
