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The spatiotemporal dynamics of recognition memory for complex versus simple auditory sequences

G. Fernández Rubio, E. Brattico, S. A. Kotz, M. L. Kringelbach, P. Vuust, L. Bonetti
doi: https://doi.org/10.1101/2022.05.15.492038
G. Fernández Rubio
1Center for Music in the Brain, Department of Clinical Medicine, Aarhus University & The Royal Academy of Music, Aarhus, Aalborg, Denmark
2Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
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  • For correspondence: gemmafr@clin.au.dk
E. Brattico
1Center for Music in the Brain, Department of Clinical Medicine, Aarhus University & The Royal Academy of Music, Aarhus, Aalborg, Denmark
3Department of Education, Psychology, Communication, University of Bari Aldo Moro, Bari, Italy
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S. A. Kotz
2Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
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M. L. Kringelbach
1Center for Music in the Brain, Department of Clinical Medicine, Aarhus University & The Royal Academy of Music, Aarhus, Aalborg, Denmark
4Centre for Eudaimonia and Human Flourishing, University of Oxford, Oxford, United Kingdom
5Department of Psychiatry, University of Oxford, Oxford, United Kingdom
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P. Vuust
1Center for Music in the Brain, Department of Clinical Medicine, Aarhus University & The Royal Academy of Music, Aarhus, Aalborg, Denmark
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L. Bonetti
1Center for Music in the Brain, Department of Clinical Medicine, Aarhus University & The Royal Academy of Music, Aarhus, Aalborg, Denmark
4Centre for Eudaimonia and Human Flourishing, University of Oxford, Oxford, United Kingdom
5Department of Psychiatry, University of Oxford, Oxford, United Kingdom
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Abstract

Differently from visual recognition, auditory recognition is a process relying on the organization of single elements that evolve in time. Here, we aimed to discover the spatiotemporal dynamics of this cognitive function by adopting a novel strategy for varying the complexity of musical sequences. We selected traditional tonal musical sequences and altered the distance between pitches to obtain matched atonal sequences. We then recorded the brain activity of 71 participants using magnetoencephalography (MEG) while they listened to and later recognized auditory sequences constructed according to simple (tonal) or complex (atonal) conventions. Results reveal qualitative changes in neural activity dependent on stimulus complexity: recognition of tonal sequences engaged hippocampal and cingulate areas, whereas recognition of atonal sequences mainly activated the auditory processing network. Our findings highlight the involvement of a cortico-subcortical brain network for auditory recognition and support the idea that stimulus complexity qualitatively alters the neural pathways of recognition memory.

Competing Interest Statement

The authors have declared no competing interest.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-ND 4.0 International license.
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Posted May 16, 2022.
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The spatiotemporal dynamics of recognition memory for complex versus simple auditory sequences
G. Fernández Rubio, E. Brattico, S. A. Kotz, M. L. Kringelbach, P. Vuust, L. Bonetti
bioRxiv 2022.05.15.492038; doi: https://doi.org/10.1101/2022.05.15.492038
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The spatiotemporal dynamics of recognition memory for complex versus simple auditory sequences
G. Fernández Rubio, E. Brattico, S. A. Kotz, M. L. Kringelbach, P. Vuust, L. Bonetti
bioRxiv 2022.05.15.492038; doi: https://doi.org/10.1101/2022.05.15.492038

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