The art of thinking · 2 · Perception and attention

Salience (cognitive psychology)

Also known as: Perceptual salience, Visual salience, Saliency

German: Salienz

In cognitive psychology, salience is the property of a stimulus that makes it stand out from its surroundings and draw attention by itself (bottom-up, stimulus-driven), as distinct from attention guided by a person’s goals and expectations (top-down); a salient element is not necessarily a relevant one.

Cognitive psychology
Attention
Perception

In one sentence

Salience is how strongly a stimulus stands out and captures attention by itself, independent of whether it matters for the task.

Example

A bright red “NEW” badge on a product page draws the eye before the small gray note that a firmware update changes the default safety parameters — the salient element is not the important one.

What the research shows

Elements that differ from their surroundings in color, luminance, size, orientation or motion, and elements that appear suddenly, attract attention. Steven Yantis and John Jonides (1984) showed that abrupt visual onsets capture attention in visual search. Laurent Itti and Christof Koch (2001) modeled this bottom-up guidance with a saliency map that combines local feature contrasts. Maurizio Corbetta and Gordon L. Shulman (2002) described partly separate brain networks for goal-directed and stimulus-driven attention.

A long debate concerns how automatic this capture is. Jan Theeuwes (1992) found that a salient color singleton slowed search even when it was irrelevant, which supports stimulus-driven capture. Charles L. Folk, Roger W. Remington and James C. Johnston (1992) found that capture depends on the observer's attentional control settings: a feature captures attention mainly when it matches what the observer is looking for (contingent capture).

Evidence status

That salience guides attention, and that goals and expectations also guide it, is well established. How the two interact — and how far salience captures attention against a person's goals — is still contested. Saliency-map models predict eye fixations on free viewing reasonably well but less well during goal-directed tasks such as reading or searching for a specific item. Salience is a property of the display relative to its context, not of an element alone: what stands out on one page is lost on a page full of highlights.

How it applies

Salience explains why visual emphasis helps when it marks what matters and misleads when it marks something else. The glossary “Applied cognitive psychology for information use” treats the design side, for example the signaling principle and warning habituation. Salient design of a safety sign or a warning message supports noticing; it is not evidence that the hazard is controlled.

External references

How to read this pool

Entries, context cards and transitional topics

The art of thinking explains ways of thinking — where a method comes from, what it asks of you and how it was adapted later. You meet four kinds of content here, each with its own job:

Glossary entry: Defines one concept or method of thinking: its origin, an example and how it relates to neighboring ideas. “X vs. Y” sections set two methods side by side.
Context card of the art of thinking: A short, self-contained answer to one question about a way of thinking — its lineage, its steps, its limits. These cards are listed on The art of thinking only.
Transitional topicBridges both pools: A context card that bridges both pools: it shows how a way of thinking was adapted into documentation, analysis or quality practice. It sits with the reference context cards and is marked as transitional wherever it appears.
Reference entry or context card: Belongs to the Glossary & Norms Space on regulation, norms and engineering. Entries here link to one only where a method is also an established tool of documentation or quality work, such as the five whys or a user’s mental model.

All context cards of the art of thinking