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Related Experiment Video

Updated: Jun 11, 2025

Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing

Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing

Published on: January 24, 2020

Does level of cognitive load affect susceptibility?

Christian P Janssen¹, Iris Schutte¹, J Leon Kenemans¹

¹Utrecht University, Experimental Psychology and Helmholtz Institute, the Netherlands.

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology

|October 7, 2024

Summary

This summary is machine-generated.

Cognitive load does not impact frontal P3 (fP3) Event-Related Potential (ERP) susceptibility to novel sounds. Instead, fP3 is influenced by stimulus presentation, particularly when a vocal response is required, regardless of task complexity.

Keywords:

Attention Event related potential Novel P3 Susceptibility Verb task

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Last Updated: Jun 11, 2025

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The Emotional Stroop Task: Assessing Cognitive Performance under Exposure to Emotional Content

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Published on: June 29, 2016

Area of Science:

Neuroscience
Cognitive Psychology
Psychophysiology

Background:

Frontal P3 (fP3) Event-Related Potential (ERP) predicts detection failures.
fP3 amplitude decreases with increased task demands (visual, manual, cognitive).
fP3 is theorized to reflect orienting responses or susceptibility to novel stimuli.

Purpose of the Study:

To investigate the effect of varying cognitive load on frontal P3 (fP3) ERP amplitude.
To determine if cognitive load, manipulated via a verb generation task, influences fP3-indexed susceptibility.
To differentiate the effects of cognitive load from stimulus presentation and response requirements on fP3.

Main Methods:

Participants were assigned to either a 'listen and repeat' or 'listen and generate' verb task group.
Cognitive load was manipulated by having participants listen to a noun, repeat it, or generate a related verb.
Frontal P3 (fP3) ERPs were measured in response to probe stimuli presented at 0 or 200 ms after noun offset, with a novel vector-filter procedure used to control for novelty-related negativity.

Main Results:

fP3 amplitude was reduced (relative to a no-noun baseline) during noun repetition and verb generation, but not during simple listening.
This reduction in fP3 occurred irrespective of the cognitive load imposed by the task.
The effect on fP3 was most pronounced when a vocal response was necessary, independent of response complexity.

Conclusions:

Cognitive load does not appear to modulate frontal P3 (fP3) ERP-indexed susceptibility.
fP3-indexed susceptibility is primarily influenced by stimulus presentation, especially when vocal responses are involved.
The complexity of the cognitive task (e.g., verb generation vs. repetition) does not alter this relationship.