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Effects of Visual Working Memory on Brain Information Processing of Irrelevant Auditory Stimuli

Authors: Jiagui, Qu; Joshua D, Rizak; Lun, Zhao; Minghong, Li; Yuanye, Ma;

Effects of Visual Working Memory on Brain Information Processing of Irrelevant Auditory Stimuli

Abstract

Selective attention has traditionally been viewed as a sensory processing modulator that promotes cognitive processing efficiency by favoring relevant stimuli while inhibiting irrelevant stimuli. However, the cross-modal processing of irrelevant information during working memory (WM) has been rarely investigated. In this study, the modulation of irrelevant auditory information by the brain during a visual WM task was investigated. The N100 auditory evoked potential (N100-AEP) following an auditory click was used to evaluate the selective attention to auditory stimulus during WM processing and at rest. N100-AEP amplitudes were found to be significantly affected in the left-prefrontal, mid-prefrontal, right-prefrontal, left-frontal, and mid-frontal regions while performing a high WM load task. In contrast, no significant differences were found between N100-AEP amplitudes in WM states and rest states under a low WM load task in all recorded brain regions. Furthermore, no differences were found between the time latencies of N100-AEP troughs in WM states and rest states while performing either the high or low WM load task. These findings suggested that the prefrontal cortex (PFC) may integrate information from different sensory channels to protect perceptual integrity during cognitive processing.

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Subjects by Vocabulary

Microsoft Academic Graph classification: Visual perception Prefrontal cortex media_common N100 Cognition Psychology media_common.quotation_subject Sensory system Stimulus (physiology) Perception Working memory Neuroscience

Library of Congress Subject Headings: lcsh:Medicine lcsh:Science lcsh:R lcsh:Q

Keywords

Male, Anatomy and Physiology, Visual System, Social and Behavioral Sciences, Cognition, Integrative Physiology, Psychology, Attention, Multidisciplinary, Brain, Sensory Systems, Memory, Short-Term, Mental Health, Auditory System, Evoked Potentials, Auditory, Visual Perception, Medicine, Female, Research Article, Adult, Cognitive Neuroscience, Young Adult, Memory, Humans, Working Memory, Biology, Behavior, Cognitive Psychology, Recognition, Psychology, Acoustic Stimulation, Attention (Behavior), Neuroscience

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  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    3
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
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Average
Average
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