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Related Experiment Video

Updated: Feb 26, 2026

Eye Movement Monitoring of Memory

Eye Movement Monitoring of Memory

Published on: August 15, 2010

Lie construction affects information storage under high memory load condition.

Yuqiu Liu^1,2, Chunjie Wang², Haibo Jiang³

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

|July 21, 2017

Summary

This summary is machine-generated.

Lying competes for cognitive resources, particularly working memory (WM). When WM is overloaded, lie construction diverts resources from storing truthful information.

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Area of Science:

Cognitive Psychology
Neuroscience
Psychology

Background:

Lying is known to consume cognitive resources, especially working memory (WM).
WM may play dual roles in deception: storing truth and constructing lies.
Understanding this resource competition is crucial for cognitive models of deception.

Purpose of the Study:

To investigate the interplay between information storage and processing during lie construction.
To examine how working memory load influences the cognitive demands of deception.
To differentiate the neural correlates of truth-telling versus lie-telling under varying cognitive loads.

Main Methods:

A deception task using an old/new recognition paradigm was employed.
Working memory load was manipulated (low-load: 4 items; high-load: 6 items).
Contralateral delay activity (CDA) amplitude, an index of WM representations, was analyzed.

Main Results:

Under high WM load, CDA amplitude was lower during deception than truth-telling.
Under low WM load, no significant CDA difference was observed between deception and truth-telling.
This suggests a competition for WM resources between lie construction and information storage.

Conclusions:

Lie construction and information storage compete for limited working memory resources.
When cognitive demand exceeds available WM capacity, lie construction encroaches on resources allocated to information storage.
These findings elucidate the cognitive mechanisms underlying deception and WM limitations.