Respiration facilitates behaviour during multisensory integration

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Publicado en:bioRxiv (Jan 11, 2025)
Autor principal: Saltafossi, Martina
Otros Autores: Zaccaro, Andrea, Kluger, Daniel S, Mauro Gianni Perrucci, Ferri, Francesca, Costantini, Marcello
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Cold Spring Harbor Laboratory Press
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Acceso en línea:Citation/Abstract
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001 3154281131
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022 |a 2692-8205 
024 7 |a 10.1101/2025.01.10.632352  |2 doi 
035 |a 3154281131 
045 0 |b d20250111 
100 1 |a Saltafossi, Martina 
245 1 |a Respiration facilitates behaviour during multisensory integration 
260 |b Cold Spring Harbor Laboratory Press  |c Jan 11, 2025 
513 |a Working Paper 
520 3 |a The brain processes information from the external environment alongside signals generated by the body. Among bodily rhythms, respiration emerges as a key modulator of sensory processing. Multisensory integration, the non-linear combination of information from multiple senses to reduce environmental uncertainty, may be influenced by respiratory dynamics. This study investigated how respiration modulates reaction times and multisensory integration in a simple detection task. Forty healthy participants were presented with unimodal (Auditory, Visual, Tactile) and bimodal (Audio-Tactile, Audio-Visual, Visuo-Tactile) stimuli while their respiratory activity was recorded. Results revealed that reaction times systematically varied with respiration, with faster responses during peak inspiration and early expiration but slower responses during the expiration-to-inspiration transition. Applying the race model inequality approach to quantify multisensory integration, we found that Audio-Tactile and Audio-Visual stimuli exhibited the highest integration during the expiration-to-inspiration phase. These findings conceivably reflect respiration phase-locked changes in cortical excitability which in turn, orchestrates multisensory integration. Interestingly, participants also tended to adapt their respiratory cycles, aligning response onsets preferentially with early expiration. This suggests that, rather than a mere bottom-up mechanism, respiration is actively adjusted to maximise the signal-to-noise balance between interoceptive and exteroceptive signals.Competing Interest StatementThe authors have declared no competing interest. 
653 |a Signal processing 
653 |a Excitability 
653 |a Respiration 
653 |a Information processing 
653 |a Visual stimuli 
653 |a Sensory integration 
653 |a Tactile stimuli 
700 1 |a Zaccaro, Andrea 
700 1 |a Kluger, Daniel S 
700 1 |a Mauro Gianni Perrucci 
700 1 |a Ferri, Francesca 
700 1 |a Costantini, Marcello 
773 0 |t bioRxiv  |g (Jan 11, 2025) 
786 0 |d ProQuest  |t Biological Science Database 
856 4 1 |3 Citation/Abstract  |u https://www.proquest.com/docview/3154281131/abstract/embedded/J7RWLIQ9I3C9JK51?source=fedsrch 
856 4 0 |3 Full text outside of ProQuest  |u https://www.biorxiv.org/content/10.1101/2025.01.10.632352v1