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Related Experiment Video

Updated: Mar 20, 2026

VisualEyes: A Modular Software System for Oculomotor Experimentation

VisualEyes: A Modular Software System for Oculomotor Experimentation

Published on: March 25, 2011

Object formation in visual working memory: Evidence from object-based attention.

Jifan Zhou¹, Haihang Zhang¹, Xiaowei Ding¹

¹Department of Psychology and Behavioral Sciences, Zhejiang University, PR China.

|June 3, 2016

Summary

This summary is machine-generated.

Visual working memory (VWM) integrates object fragments into complete objects, similar to visual perception. This involuntary integration influences attention and perception within VWM.

Keywords:

Information integration Object-based attention Visual perception Visual working memory

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Area of Science:

Cognitive Psychology
Neuroscience
Visual Perception

Background:

Visual working memory (VWM) is crucial for retaining visual information.
The precise mechanisms by which VWM constructs object representations are not fully understood.
Research explores how fragmented information is unified within VWM.

Purpose of the Study:

To investigate whether visual working memory (VWM) can integrate object fragments into coherent object representations.
To examine the role of involuntary integration in VWM formation.
To determine if VWM object integration mirrors perceptual object formation.

Main Methods:

Sequential encoding of object fragments into VWM.
Experimental manipulation of attention cued to object locations within VWM.
Measurement of target detection timing and distractor interference effects.

Main Results:

Object fragments were involuntarily integrated into unified objects in VWM.
Positive object-based attention effects were observed, with targets at cued object locations perceived as earlier.
Negative object-based attention effects were observed, with distractors at cued object locations slowing responses.

Conclusions:

VWM integrates visual object fragments into holistic representations.
This integration process in VWM is analogous to object formation in visual perception.
Object-based attention mechanisms operate on integrated VWM representations.