Resting-state functional connectivity changes following audio-tactile speech training DOI Open Access
Katarzyna Cieśla, Tomasz Wolak, Amir Amedi

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 26, 2024

Abstract Understanding speech in background noise is a challenging task, especially if the signal also distorted. In series of previous studies we have shown that comprehension can improve simultaneously to auditory speech, person receives speech-extracted low-frequency signals on fingertips. The effect increases after short audio-tactile training. Here use resting-state functional magnetic resonance, measuring spontaneous oscillations brain while at rest, assess training-induced changes connectivity. We show enhanced connectivity within right-hemisphere cluster encompassing middle temporal motion area (MT), and extrastriate body (EBA), lateral occipital cortex (LOC), which before training found be more connected bilateral dorsal anterior insula. Furthermore, early visual areas are switch from increased with before, an association sensory/multisensory parietal hub, contralateral palm receiving vibrotactile inputs, after. Also right sensorimotor cortex, including finger representations, internally results alltogether interpreted two main complementary frameworks. One, speech-specific, relates pre-existing for audio-visual processing, visual, regions lip-reading gesture analysis difficult acoustic conditions, new network might built upon. other refers spatial/body awareness integration, revealed insular regions. It possible extended period may necessary effectively strengthen direct connections between regions, utterly novel task. outcomes study relevant both basic neuroscience, as well development rehabilitation tools hearing impaired population.

Language: Английский

Resting-state functional connectivity changes following audio-tactile speech training DOI Creative Commons
Katarzyna Cieśla, Tomasz Wolak, Amir Amedi

et al.

Frontiers in Neuroscience, Journal Year: 2025, Volume and Issue: 19

Published: April 29, 2025

Understanding speech in background noise is a challenging task, especially when the signal also distorted. In series of previous studies, we have shown that comprehension can improve if, simultaneously with auditory speech, person receives speech-extracted low-frequency signals on their fingertips. The effect increases after short audio-tactile training. this study, used resting-state functional magnetic resonance imaging (rsfMRI) to measure spontaneous oscillations brain while at rest assess training-induced changes connectivity. We observed enhanced connectivity (FC) within right-hemisphere cluster corresponding middle temporal motion area (MT), extrastriate body (EBA), and lateral occipital cortex (LOC), which, before training, was found be more connected bilateral dorsal anterior insula. Furthermore, early visual areas demonstrated switch from increased training sensory/multisensory association parietal hub, contralateral palm receiving vibrotactile inputs, addition, right sensorimotor cortex, including finger representations, internally results altogether interpreted two main complementary frameworks. first, speech-specific, factor relates pre-existing for audio-visual processing, visual, motion, regions involved lip-reading gesture analysis under difficult acoustic conditions, upon which new network might built. other framework refers spatial/body awareness integration, both are necessary performing revealed insular regions. It possible an extended period directly strengthen connections between utterly novel multisensory task. contribute better understanding largely unknown neuronal mechanisms underlying tactile benefits may relevant rehabilitation hearing-impaired population.

Language: Английский

Citations

0
Resting-state functional connectivity changes following audio-tactile speech training DOI Open Access
Katarzyna Cieśla, Tomasz Wolak, Amir Amedi

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 26, 2024

Abstract Understanding speech in background noise is a challenging task, especially if the signal also distorted. In series of previous studies we have shown that comprehension can improve simultaneously to auditory speech, person receives speech-extracted low-frequency signals on fingertips. The effect increases after short audio-tactile training. Here use resting-state functional magnetic resonance, measuring spontaneous oscillations brain while at rest, assess training-induced changes connectivity. We show enhanced connectivity within right-hemisphere cluster encompassing middle temporal motion area (MT), and extrastriate body (EBA), lateral occipital cortex (LOC), which before training found be more connected bilateral dorsal anterior insula. Furthermore, early visual areas are switch from increased with before, an association sensory/multisensory parietal hub, contralateral palm receiving vibrotactile inputs, after. Also right sensorimotor cortex, including finger representations, internally results alltogether interpreted two main complementary frameworks. One, speech-specific, relates pre-existing for audio-visual processing, visual, regions lip-reading gesture analysis difficult acoustic conditions, new network might built upon. other refers spatial/body awareness integration, revealed insular regions. It possible extended period may necessary effectively strengthen direct connections between regions, utterly novel task. outcomes study relevant both basic neuroscience, as well development rehabilitation tools hearing impaired population.

Language: Английский

Citations

0