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Lazzari G, van de Vorst R, van Vugt FT, Lega C. Subtle Patterns of Altered Responsiveness to Delayed Auditory Feedback during Finger Tapping in People Who Stutter. Brain Sci 2024; 14:472. [PMID: 38790451 PMCID: PMC11120293 DOI: 10.3390/brainsci14050472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/01/2024] [Accepted: 05/03/2024] [Indexed: 05/26/2024] Open
Abstract
Differences in sensorimotor integration mechanisms have been observed between people who stutter (PWS) and controls who do not. Delayed auditory feedback (DAF) introduces timing discrepancies between perception and action, disrupting sequence production in verbal and non-verbal domains. While DAF consistently enhances speech fluency in PWS, its impact on non-verbal sensorimotor synchronization abilities remains unexplored. A total of 11 PWS and 13 matched controls completed five tasks: (1) unpaced tapping; (2) synchronization-continuation task (SCT) without auditory feedback; (3) SCT with DAF, with instruction either to align the sound in time with the metronome; or (4) to ignore the sound and align their physical tap to the metronome. Additionally, we measured participants' sensitivity to detecting delayed feedback using a (5) delay discrimination task. Results showed that DAF significantly affected performance in controls as a function of delay duration, despite being irrelevant to the task. Conversely, PWS performance remained stable across delays. When auditory feedback was absent, no differences were found between PWS and controls. Moreover, PWS were less able to detect delays in speech and tapping tasks. These findings show subtle differences in non-verbal sensorimotor performance between PWS and controls, specifically when action-perception loops are disrupted by delays, contributing to models of sensorimotor integration in stuttering.
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Affiliation(s)
- Giorgio Lazzari
- Department of Brain and Behavioral Sciences, University of Pavia, 27100 Pavia, Italy;
| | - Robert van de Vorst
- Centre for Research on Brain, Language and Music (CRBLM), Montreal, QC H3A 1G1, Canada; (R.v.d.V.); (F.T.v.V.)
- School of Communication Sciences and Disorders, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Floris T. van Vugt
- Centre for Research on Brain, Language and Music (CRBLM), Montreal, QC H3A 1G1, Canada; (R.v.d.V.); (F.T.v.V.)
- Psychology Department, University of Montreal, Montreal, QC H3T 1J4, Canada
- International Laboratory for Brain, Music and Sound Research (BRAMS), Montreal, QC H3T 1J4, Canada
| | - Carlotta Lega
- Department of Brain and Behavioral Sciences, University of Pavia, 27100 Pavia, Italy;
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Kania D, Romaniszyn-Kania P, Tuszy A, Bugdol M, Ledwoń D, Czak M, Turner B, Bibrowicz K, Szurmik T, Pollak A, Mitas AW. Evaluation of physiological response and synchronisation errors during synchronous and pseudosynchronous stimulation trials. Sci Rep 2024; 14:8814. [PMID: 38627479 PMCID: PMC11021516 DOI: 10.1038/s41598-024-59477-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 04/11/2024] [Indexed: 04/19/2024] Open
Abstract
Rhythm perception and synchronisation is musical ability with neural basis defined as the ability to perceive rhythm in music and synchronise body movements with it. The study aimed to check the errors of synchronisation and physiological response as a reaction of the subjects to metrorhythmic stimuli of synchronous and pseudosynchronous stimulation (synchronisation with an externally controlled rhythm, but in reality controlled or produced tone by tapping) Nineteen subjects without diagnosed motor disorders participated in the study. Two tests were performed, where the electromyography signal and reaction time were recorded using the NORAXON system. In addition, physiological signals such as electrodermal activity and blood volume pulse were measured using the Empatica E4. Study 1 consisted of adapting the finger tapping test in pseudosynchrony with a given metrorhythmic stimulus with a selection of preferred, choices of decreasing and increasing tempo. Study 2 consisted of metrorhythmic synchronisation during the heel stomping test. Numerous correlations and statistically significant parameters were found between the response of the subjects with respect to their musical education, musical and sports activities. Most of the differentiating characteristics shown evidence of some group division in the undertaking of musical activities. The use of detailed analyses of synchronisation errors can contribute to the development of methods to improve the rehabilitation process of subjects with motor dysfunction, and this will contribute to the development of an expert system that considers personalised musical preferences.
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Affiliation(s)
- Damian Kania
- Institute of Physiotherapy and Health Sciences, The Jerzy Kukuczka Academy of Physical Education in Katowice, Mikołowska 72A, 40-065, Katowice, Poland
| | - Patrycja Romaniszyn-Kania
- Faculty of Biomedical Engineering, Silesian University of Technology, Roosevelta 40, 41-800, Zabrze, Poland.
| | - Aleksandra Tuszy
- Faculty of Biomedical Engineering, Silesian University of Technology, Roosevelta 40, 41-800, Zabrze, Poland
| | - Monika Bugdol
- Faculty of Biomedical Engineering, Silesian University of Technology, Roosevelta 40, 41-800, Zabrze, Poland
| | - Daniel Ledwoń
- Faculty of Biomedical Engineering, Silesian University of Technology, Roosevelta 40, 41-800, Zabrze, Poland
| | - Miroslaw Czak
- Faculty of Biomedical Engineering, Silesian University of Technology, Roosevelta 40, 41-800, Zabrze, Poland
| | - Bruce Turner
- dBs Music, HE Music Faculty, 17 St Thomas St, Redcliffe, Bristol, BS1 6JS, UK
| | - Karol Bibrowicz
- Science and Research Center of Body Posture, College of Education and Therapy in Poznań, 61-473, Poznań, Poland
| | - Tomasz Szurmik
- Faculty of Arts and Educational Science, University of Silesia, ul. Bielska 62, 43-400, Cieszyn, Poland
| | - Anita Pollak
- Faculty of Biomedical Engineering, Silesian University of Technology, Roosevelta 40, 41-800, Zabrze, Poland
- Institute of Psychology, University of Silesia, ul. Grazynskiego 53, 40-126, Katowice, Poland
| | - Andrzej W Mitas
- Faculty of Biomedical Engineering, Silesian University of Technology, Roosevelta 40, 41-800, Zabrze, Poland
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Torre K, Vergotte G, Viel É, Perrey S, Dupeyron A. Fractal properties in sensorimotor variability unveil internal adaptations of the organism before symptomatic functional decline. Sci Rep 2019; 9:15736. [PMID: 31673034 PMCID: PMC6823488 DOI: 10.1038/s41598-019-52091-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 09/28/2019] [Indexed: 01/20/2023] Open
Abstract
If health can be defined as adaptability, then measures of adaptability are crucial. Convergent findings across clinical areas established the notion that fractal properties in bio-behavioural variability characterize the healthy condition of the organism, and its adaptive capacities in general. However, ambiguities remain as to the significance of fractal properties: the literature mainly discriminated between healthy vs. pathological states, thereby loosing perspective on the progression in between, and overlooking the distinction between adaptability and effective adaptations of the organism. Here, we design an experimental tapping paradigm involving gradual feedback deprivation in groups of healthy subjects and one deafferented man as a pathological-limit case. We show that distinct types of fractal properties in sensorimotor behaviour characterize, on the one hand impaired functional ability, and on the other hand internal adaptations for maintaining performance despite the imposed constraints. Findings may prove promising for early detection of internal adaptations preceding symptomatic functional decline.
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Affiliation(s)
| | | | | | | | - Arnaud Dupeyron
- EuroMov, Univ. Montpellier, Montpellier, France.,CHU Carémeau, Nîmes, France
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Abstract
Sensorimotor synchronization (SMS) is the coordination of rhythmic movement with an external rhythm, ranging from finger tapping in time with a metronome to musical ensemble performance. An earlier review (Repp, 2005) covered tapping studies; two additional reviews (Repp, 2006a, b) focused on music performance and on rate limits of SMS, respectively. The present article supplements and extends these earlier reviews by surveying more recent research in what appears to be a burgeoning field. The article comprises four parts, dealing with (1) conventional tapping studies, (2) other forms of moving in synchrony with external rhythms (including dance and nonhuman animals' synchronization abilities), (3) interpersonal synchronization (including musical ensemble performance), and (4) the neuroscience of SMS. It is evident that much new knowledge about SMS has been acquired in the last 7 years.
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