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Related Experiment Video

Updated: Aug 11, 2025

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

Temporal attention affects contrast response function by response gain.

Chengxu Jing^1,2, Hongyuan Jin¹, Wenxia Li¹

¹School of Automation and Electronic Information, Sichuan University of Science and Engineering, Sichuan, China.

Frontiers in Human Neuroscience

|February 10, 2023

Summary

This summary is machine-generated.

Temporal attention enhances visual perception by amplifying responses, not contrast. This study reveals that focusing on a specific time point improves contrast sensitivity through a response gain mechanism, impacting visual processing.

Keywords:

contrast response cue psychophysics response gain temporal attention

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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

Area of Science:

Cognitive Neuroscience
Visual Perception

Background:

Temporal attention modulates contrast sensitivity, improving it at attended times and impairing it at others.
Existing theories propose contrast gain or response gain mechanisms for this modulation.

Purpose of the Study:

To investigate the underlying mechanism of temporal attention on contrast psychometric functions.
To differentiate between contrast gain and response gain models.

Main Methods:

Utilized a temporal cueing orientation discrimination task.
Employed audio pre-cues with varying frequencies to manipulate temporal attention.
Measured contrast psychometric functions using targets of different contrast intensities.

Main Results:

Temporal attention significantly affected contrast psychometric functions.
Findings indicated a response gain mechanism, not contrast gain.
Attention multiplicatively amplified the response to visual targets at the attended time.

Conclusions:

Temporal attention modulates visual perception primarily through response gain.
This mechanism involves multiplying the contrast response of visual targets by a fixed factor.
Understanding temporal attention's role in perceptual processing is crucial.