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Abstract
Significance: Functional near-infrared spectroscopy (fNIRS) is an increasingly popular tool in auditory research, but the range of analysis procedures employed across studies may complicate the interpretation of data.
Aim: We aim to assess the impact of different analysis procedures on the morphology, detection, and lateralization of auditory responses in fNIRS. Specifically, we determine whether averaging or generalized linear model (GLM)-based analysis generates different experimental conclusions when applied to a block-protocol design. The impact of parameter selection of GLMs on detecting auditory-evoked responses was also quantified. Approach: 17 listeners were exposed to three commonly employed auditory stimuli: noise, speech, and silence. A block design, comprising sounds of 5 s duration and 10 to 20 s silent intervals, was employed.
Results: Both analysis procedures generated similar response morphologies and amplitude estimates, and both indicated that responses to speech were significantly greater than to noise or silence. Neither approach indicated a significant effect of brain hemisphere on responses to speech. Methods to correct for systemic hemodynamic responses using short channels improved detection at the individual level.
Conclusions: Consistent with theoretical considerations, simulations, and other experimental domains, GLM and averaging analyses generate the same group-level experimental conclusions. We release this dataset publicly for use in future development and optimization of algorithms.
Original language | English |
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Article number | 025008 |
Pages (from-to) | 025008-1- 025008-18 |
Number of pages | 18 |
Journal | Neurophotonics |
Volume | 8 |
Issue number | 2 |
DOIs | |
Publication status | Published - 22 May 2021 |
Bibliographical note
Copyright the Author(s) 2021. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.Keywords
- auditory responses
- block-design paradigm
- analysis methods
- speech
- passive task
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Dive into the research topics of 'Analysis methods for measuring passive auditory fNIRS responses generated by a block-design paradigm'. Together they form a unique fingerprint.Projects
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How the brain creates a sense of auditory space
McAlpine, D., Undurraga Lucero, J., PhD Contribution (ARC), P. C., PhD Contribution 2 (ARC), P. C. 2., MQRES, M. & MQRES 2, M. 2.
1/10/16 → 28/06/30
Project: Research