The Impact of Acoustic fMRI-Noise on Olfactory Sensitivity and Perception

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The Impact of Acoustic fMRI-Noise on Olfactory Sensitivity and Perception. / Fjaeldstad, Alexander Wieck; Nørgaard, Hans Jacob; Fernandes, Henrique Miguel.

In: Neuroscience, Vol. 406, 2019, p. 262-267.

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@article{7ac26feaff43470ea6433f839b95cab6,
title = "The Impact of Acoustic fMRI-Noise on Olfactory Sensitivity and Perception",
abstract = "Sensory perception is neither static nor simple. The senses influence each other during multisensory stimulation and can be both suppressive and super-additive. As most knowledge of human olfactory perception is derived from functional neuroimaging studies, in particular fMRI, our current understanding of olfactory perception has systematically been investigated in an environment with concurrent loud sounds. To date, the confounding effects of acoustic fMRI-noise during scanning on olfactory perception have not yet been investigated. In this study we investigate how acoustic noise derived from the rapid switching of MR gradient coils, affects olfactory perception. For this, 50 subjects were tested in both a silent setting and an fMRI-noise setting, in a randomised order. We found that fMRI-related acoustic noise had a significant negative effect on the olfactory detection threshold score. No significant effects were identified on olfactory discrimination, identification, identification certainty, hedonic rating, or intensity rating.",
keywords = "fMRI, multisensory perception, olfaction, sound",
author = "Fjaeldstad, {Alexander Wieck} and N{\o}rgaard, {Hans Jacob} and Fernandes, {Henrique Miguel}",
year = "2019",
doi = "10.1016/j.neuroscience.2019.03.028",
language = "English",
volume = "406",
pages = "262--267",
journal = "Neuroscience",
issn = "0306-4522",
publisher = "Pergamon Press",

}

RIS

TY - JOUR

T1 - The Impact of Acoustic fMRI-Noise on Olfactory Sensitivity and Perception

AU - Fjaeldstad, Alexander Wieck

AU - Nørgaard, Hans Jacob

AU - Fernandes, Henrique Miguel

PY - 2019

Y1 - 2019

N2 - Sensory perception is neither static nor simple. The senses influence each other during multisensory stimulation and can be both suppressive and super-additive. As most knowledge of human olfactory perception is derived from functional neuroimaging studies, in particular fMRI, our current understanding of olfactory perception has systematically been investigated in an environment with concurrent loud sounds. To date, the confounding effects of acoustic fMRI-noise during scanning on olfactory perception have not yet been investigated. In this study we investigate how acoustic noise derived from the rapid switching of MR gradient coils, affects olfactory perception. For this, 50 subjects were tested in both a silent setting and an fMRI-noise setting, in a randomised order. We found that fMRI-related acoustic noise had a significant negative effect on the olfactory detection threshold score. No significant effects were identified on olfactory discrimination, identification, identification certainty, hedonic rating, or intensity rating.

AB - Sensory perception is neither static nor simple. The senses influence each other during multisensory stimulation and can be both suppressive and super-additive. As most knowledge of human olfactory perception is derived from functional neuroimaging studies, in particular fMRI, our current understanding of olfactory perception has systematically been investigated in an environment with concurrent loud sounds. To date, the confounding effects of acoustic fMRI-noise during scanning on olfactory perception have not yet been investigated. In this study we investigate how acoustic noise derived from the rapid switching of MR gradient coils, affects olfactory perception. For this, 50 subjects were tested in both a silent setting and an fMRI-noise setting, in a randomised order. We found that fMRI-related acoustic noise had a significant negative effect on the olfactory detection threshold score. No significant effects were identified on olfactory discrimination, identification, identification certainty, hedonic rating, or intensity rating.

KW - fMRI

KW - multisensory perception

KW - olfaction

KW - sound

UR - http://www.scopus.com/inward/record.url?scp=85063635159&partnerID=8YFLogxK

U2 - 10.1016/j.neuroscience.2019.03.028

DO - 10.1016/j.neuroscience.2019.03.028

M3 - Journal article

C2 - 30904663

AN - SCOPUS:85063635159

VL - 406

SP - 262

EP - 267

JO - Neuroscience

JF - Neuroscience

SN - 0306-4522

ER -