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Related Experiment Video

Updated: Feb 3, 2026

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

Published on: January 23, 2017

Attention or salience?

Thomas Parr¹, Karl J Friston¹

¹Wellcome Centre for Human Neuroimaging, Institute of Neurology, University College London, WC1N 3BG, UK.

Current Opinion in Psychology

|October 26, 2018

Summary

This summary is machine-generated.

Attention theories differ: some link it to eye movements, others to sensory gain control. This study distinguishes attentional gain (precision estimation) from salience attribution (active engagement), clarifying their relationship.

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Area of Science:

Neuroscience
Cognitive Science
Perception

Background:

Attention is crucial for perception but lacks a unified definition.
Prominent theories link attention to eye movements (premotor theory) or sensory gain control.
Existing theories present contrasting views on the nature of attention.

Purpose of the Study:

To distinguish between attentional gain mechanisms and salience attribution.
To clarify the relationship between attention and salience based on theoretical neurobiology.
To provide a neurobiological framework for understanding attentional processes.

Main Methods:

Theoretical neurobiology review.
Analysis of prominent attention theories, including the premotor theory.
Conceptual distinction between gain control and salience attribution.

Main Results:

Attentional gain mechanisms are linked to estimating sensory data precision.
Salience attribution is a consequence of active sensorium engagement.
A clear distinction is drawn between these two facets of attention.

Conclusions:

Attention encompasses distinct processes: precision-based gain control and engagement-driven salience.
Understanding these distinctions is vital for a comprehensive theory of attention and perception.
The relationship between attention and salience is intimate yet separable.