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Working Memory

Working Memory

Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...

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Related Experiment Video

Updated: Dec 19, 2025

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

Visual working memory enhances target discrimination accuracy with single-item displays.

Yi Pan¹, Xue Zhang²

¹Department of Psychology, Hangzhou Normal University, Hangzhou, 311121, China. yipan@hznu.edu.cn.

Attention, Perception & Psychophysics

|June 4, 2020

Summary

Visual working memory enhances perception by biasing attention to relevant stimuli, improving target feature detection even in simple displays. This bias aids early visual processing through signal enhancement.

Keywords:

Priming Target signal Visual perception Visual working memory

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Last Updated: Dec 19, 2025

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Published on: April 11, 2025

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Published on: December 5, 2014

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Area of Science:

Cognitive Psychology
Neuroscience
Visual Perception

Background:

Visual working memory (VWM) maintenance influences concurrent visual processing, favoring matching inputs.
Previous research suggests VWM biases processing, but its effect on early perceptual stages remains unclear.

Purpose of the Study:

To investigate if VWM biases can enhance target feature perception at an early processing stage.
To determine if VWM biases operate in single-item displays without external noise or stimulus competition.

Main Methods:

Participants maintained one of two retro-cued sample stimuli in VWM.
A Landolt target's gap orientation was discriminated within a subsequent stimulus.
The target stimulus either matched the relevant VWM sample, the irrelevant sample, or neither.

Main Results:

Discrimination performance was significantly more accurate when the target stimulus matched the VWM sample.
No priming effects were observed when the target matched the irrelevant sample, ruling out passive priming.
Enhanced performance occurred in single-item displays, indicating VWM bias affects early perception.

Conclusions:

VWM bias enhances early perceptual processing via signal enhancement at the attended location.
This effect operates even in the absence of stimulus competition, demonstrating attentional modulation.
Findings support VWM's role in facilitating perception by prioritizing relevant sensory information.