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Related Experiment Video

Updated: Jun 9, 2026

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Published on: July 5, 2015

Aging effects on selective attention-related electroencephalographic patterns during face encoding.

M-P Deiber¹, C Rodriguez, D Jaques

¹INSERM U877, Faculty of Medicine, Domaine de La Merci, 38700 La Tronche, France. Marie.P.DeiberIbanez@hcuge.ch

|August 31, 2010

Summary

This summary is machine-generated.

Human faces capture attention early, even when ignored, but aging impairs suppressing distracting information. This study explores attention, aging, and face recognition using electrophysiology.

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Last Updated: Jun 9, 2026

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

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Published on: July 5, 2015

Detecting Pre-Stimulus Source-Level Effects on Object Perception with Magnetoencephalography

Detecting Pre-Stimulus Source-Level Effects on Object Perception with Magnetoencephalography

Published on: July 26, 2019

Area of Science:

Cognitive Neuroscience
Human Electrophysiology
Aging Research

Background:

Human face perception involves early visual event-related potentials (ERPs), notably the N170 component.
The role of selective attention in face processing, especially across different age groups, remains debated.
Aging impacts cognitive functions, including attention and face recognition.

Purpose of the Study:

To investigate the influence of aging on selective attention to faces using electrophysiological measures.
To examine how attention affects early visual ERPs (N1, N170) and alpha power during face and letter recognition tasks.
To compare attention mechanisms in young and elderly adults with preserved cognition.

Main Methods:

Electrophysiological recordings (ERPs and alpha power) were used in delayed-recognition tasks.
Participants included 36 elderly and 20 young adults with preserved cognition.
Stimuli included faces, letters, and scenes, with varying attentional demands.

Main Results:

Face recognition performance declined with age, accompanied by delayed N1 and N170 latencies.
Ignored faces elicited stronger N1 and N170 responses than attended faces in both age groups.
Elderly adults showed reduced suppression of irrelevant letters when attending to faces, unlike young adults.

Conclusions:

Human faces may exhibit paradoxical attention effects due to their social relevance, influencing early visual processing.
Aging impairs the top-down suppression of distracting information, particularly non-social stimuli like letters.
These attentional deficits in aging may contribute to reduced face recognition performance.