Visual appeal is an important element of the hedonic quality of an interface. Research suggests that judgments of visual appeal are in essence emotional judgments that occur rapidly. Pragmatic quality resembles the notion of usability (e.g. ease of use), while hedonic quality refers to pleasure of use. Pragmatic quality is in essence a “hygiene factor” …
walking out on a negotation if it does not meet minimum terms or user is on fence about engagement. plays on fear of loss or loss aversion, motivates people to act and can apply to social media
the brain craves a story that ties everything together. If the story lacks causality, it will struggle to create that story, and will eventually just make up it’s own causalities — the WYSIATI effect.
Ego depletion refers to the idea that self-control or willpower draw upon a limited pool of mental resources that can be used up. When the energy for mental activity is low, self-control is typically impaired, which would be considered a state of ego depletion. In particular, experiencing a state of ego depletion impairs the ability …
bottom-up and top-down attention, or stimulus-driven and goal-oriented attention (Carrasco,2011; Corbetta & Shulman, 2002; Desimone & Duncan, 1995; Kastner & Ungerleider, 2000). Top-down attention refers to the voluntary allocation of attention to certain features, objects, or regions in space. For instance, a subject can decide to attend to a small region of space in the …
The fovea centralis (the term fovea comes from the Latin, meaning pit or pitfall) is a small, central pit composed of closely packed cones in the eye. It is located in the center of the macula lutea of the retina.[1][2] The fovea is responsible for sharp central vision (also called foveal vision), which is necessary …
Smooth pursuit eye movements allow the eyes to closely follow a moving object. It is one of two ways that visual animals can voluntarily shift gaze, the other being saccadic eye movements. Pursuit differs from the vestibulo-ocular reflex, which only occurs during movements of the head and serves to stabilize gaze on a stationary object. …
Change blindness (aka. inattention blindness and selective attention) is a surprising perceptual phenomenon that occurs when a change in a visual stimulus is introduced and the observer does not notice it. For example, observers often fail to notice major differences introduced into an image while it flickers off and on again.
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