Splantern

Persuasion

Visual Appeal

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” …

Visual Appeal Read More »

Top-Down & Bottom-Up Attention

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 …

Top-Down & Bottom-Up Attention Read More »

Fovea

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 …

Fovea Read More »

Change Blindness

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.