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From random to regular: neural constraints on the emergence of isochronous rhythm during cultural transmission

A core design feature of human communication systems and expressive behaviours is their temporal organization. The cultural evolutionary origins of this feature remain unclear. Here, we test the hypothesis that regularities in the temporal organization of signalling sequences arise in the course of...

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Autores principales: Lumaca, Massimo, Haumann, Niels Trusbak, Vuust, Peter, Brattico, Elvira, Baggio, Giosuè
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6123518/
https://www.ncbi.nlm.nih.gov/pubmed/30016510
http://dx.doi.org/10.1093/scan/nsy054
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author Lumaca, Massimo
Haumann, Niels Trusbak
Vuust, Peter
Brattico, Elvira
Baggio, Giosuè
author_facet Lumaca, Massimo
Haumann, Niels Trusbak
Vuust, Peter
Brattico, Elvira
Baggio, Giosuè
author_sort Lumaca, Massimo
collection PubMed
description A core design feature of human communication systems and expressive behaviours is their temporal organization. The cultural evolutionary origins of this feature remain unclear. Here, we test the hypothesis that regularities in the temporal organization of signalling sequences arise in the course of cultural transmission as adaptations to aspects of cortical function. We conducted two experiments on the transmission of rhythms associated with affective meanings, focusing on one of the most widespread forms of regularity in language and music: isochronicity. In the first experiment, we investigated how isochronous rhythmic regularities emerge and change in multigenerational signalling games, where the receiver (learner) in a game becomes the sender (transmitter) in the next game. We show that signalling sequences tend to become rhythmically more isochronous as they are transmitted across generations. In the second experiment, we combined electroencephalography (EEG) and two-player signalling games over 2 successive days. We show that rhythmic regularization of sequences can be predicted based on the latencies of the mismatch negativity response in a temporal oddball paradigm. These results suggest that forms of isochronicity in communication systems originate in neural constraints on information processing, which may be expressed and amplified in the course of cultural transmission.
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spelling pubmed-61235182018-09-10 From random to regular: neural constraints on the emergence of isochronous rhythm during cultural transmission Lumaca, Massimo Haumann, Niels Trusbak Vuust, Peter Brattico, Elvira Baggio, Giosuè Soc Cogn Affect Neurosci Original Article A core design feature of human communication systems and expressive behaviours is their temporal organization. The cultural evolutionary origins of this feature remain unclear. Here, we test the hypothesis that regularities in the temporal organization of signalling sequences arise in the course of cultural transmission as adaptations to aspects of cortical function. We conducted two experiments on the transmission of rhythms associated with affective meanings, focusing on one of the most widespread forms of regularity in language and music: isochronicity. In the first experiment, we investigated how isochronous rhythmic regularities emerge and change in multigenerational signalling games, where the receiver (learner) in a game becomes the sender (transmitter) in the next game. We show that signalling sequences tend to become rhythmically more isochronous as they are transmitted across generations. In the second experiment, we combined electroencephalography (EEG) and two-player signalling games over 2 successive days. We show that rhythmic regularization of sequences can be predicted based on the latencies of the mismatch negativity response in a temporal oddball paradigm. These results suggest that forms of isochronicity in communication systems originate in neural constraints on information processing, which may be expressed and amplified in the course of cultural transmission. Oxford University Press 2018-08-22 /pmc/articles/PMC6123518/ /pubmed/30016510 http://dx.doi.org/10.1093/scan/nsy054 Text en © The Author(s) 2018. Published by Oxford University Press. http://creativecommons.org/licenses/by-nc/4.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com
spellingShingle Original Article
Lumaca, Massimo
Haumann, Niels Trusbak
Vuust, Peter
Brattico, Elvira
Baggio, Giosuè
From random to regular: neural constraints on the emergence of isochronous rhythm during cultural transmission
title From random to regular: neural constraints on the emergence of isochronous rhythm during cultural transmission
title_full From random to regular: neural constraints on the emergence of isochronous rhythm during cultural transmission
title_fullStr From random to regular: neural constraints on the emergence of isochronous rhythm during cultural transmission
title_full_unstemmed From random to regular: neural constraints on the emergence of isochronous rhythm during cultural transmission
title_short From random to regular: neural constraints on the emergence of isochronous rhythm during cultural transmission
title_sort from random to regular: neural constraints on the emergence of isochronous rhythm during cultural transmission
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6123518/
https://www.ncbi.nlm.nih.gov/pubmed/30016510
http://dx.doi.org/10.1093/scan/nsy054
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