The Tennis SensoriMotor Synchronisation Paradigm

2020 ◽  
Vol 8 (2) ◽  
Keyword(s):  
Sensorimotor Synchronisation

EXPRESS: The effect of low frequency equalisation on preference and sensorimotor synchronisation in music

2021 ◽  
pp. 174702182110371
Author(s):  
Scott Beveridge ◽  
Estefanía Cano ◽  
Steffen A. Herff
Keyword(s):  
Body Movement ◽  
Low Frequency ◽  
Empirical Support ◽  
Processing Technique ◽  
Original Version ◽  
Upper Body ◽  
Signal Processing Technique ◽  
Band Energy ◽  
Sensorimotor Synchronisation ◽  
Specific Frequency

Equalisation, a signal processing technique commonly used to shape the sound of music, is defined as the adjustment of the energy in specific frequency components of a signal. In this work we investigate the effects of equalisation on preference and sensorimotor synchronisation in music. Twenty-one participants engaged in a goal-directed upper body movement in synchrony with stimuli equalised in three low-frequency sub-bands (0 - 50 Hz, 50 - 100 Hz, 100 - 200 Hz). To quantify the effect of equalisation, music features including spectral flux, pulse clarity, and beat confidence were extracted from seven differently equalised versions of music tracks - one original and six manipulated versions for each music track. These music tracks were then used in a movement synchronisation task. Bayesian mixed effects models revealed different synchronisation behaviours in response to the three sub-bands considered. Boosting energy in the 100 - 200 Hz sub-band reduced synchronisation performance irrespective of the sub-band energy of the original version. An energy boost in the 0 - 50 Hz band resulted in increased synchronisation performance only when the sub-band energy of the original version was high. An energy boost in the 50 - 100 Hz band increased synchronisation performance only when the sub-band energy of the original version was low. Boosting the energy in any of the three subbands increased preference regardless of the energy of the original version. Our results provide empirical support for the importance of low-frequency information for sensorimotor synchronisation and suggest that the effect of equalisation on preference and synchronisation are largely independent of one another.

SENSORIMOTOR SYNCHRONISATION IN SCHIZOPHRENIA: THE ROLE OF ATTENTION

2008 ◽  
Vol 102 (1-3) ◽  
pp. 116
Author(s):  
Aurely Ameller ◽  
Yvonne Delevoye-Turrell ◽  
Pierre Thomas
Keyword(s):  
Sensorimotor Synchronisation

scholarly journals Effects of Stimulus Intensity and Frequency on the Force and Timing of Sensorimotor Synchronisation

2021 ◽  
pp. 1-23
Author(s):  
Neil P. M. Todd ◽  
Peter E. Keller ◽  
Sendhil Govender ◽  
James G. Colebatch
Keyword(s):  
Low Frequency ◽  
Independent Effect ◽  
Acoustic Intensity ◽  
Vestibular Evoked Myogenic Potential ◽  
Surface Electrodes ◽  
Sensorimotor Synchronisation ◽  
Timing Strategies ◽  
Electroencephalographic Activity ◽  
Timing Processes ◽  
Flexion And Extension

Abstract We report an experiment to investigate possible vestibular effects on finger tapping to an auditory anapaest rhythm. In a sample of 10 subjects, index finger acceleration and tapping force were recorded along with extensor/flexor activity and the associated electroencephalographic activity measured at central and cerebellar surface electrodes. In a prior session with a standard short air-conducted 500-Hz pip, vestibular evoked myogenic potential thresholds were measured and subsequently used to set the acoustic intensity. During the main experiment subjects were asked to synchronise tapping to the pips arranged in the anapaest at two different frequencies, 500 Hz vs 5 kHz, so that only the low-frequency high-intensity condition was a vestibular, as well as an auditory stimulus. We hypothesised that a vestibular effect would manifest in an interaction between the frequency and intensity factors for a range of dependent measures of tapping performance. No clear evidence was found for vestibular effects, but this was likely due to the confounding effects of an independent effect of intensity and the relative weakness of the acoustic vestibular stimulus. However, the data did show novel evidence for two distinct timing processes for the flexion and extension stages of a tap cycle and two distinct timing strategies, which we refer to as ‘staccato’ and ‘legato’, characterised by different profiles of force and extension.

Multisensory cues improve sensorimotor synchronisation

2010 ◽  
Vol 31 (10) ◽  
pp. 1828-1835 ◽  
Author(s):  
M. T. Elliott ◽  
A. M. Wing ◽  
A. E. Welchman
Keyword(s):  
Sensorimotor Synchronisation ◽  
Multisensory Cues

Effects and mechanisms of differently cued and non-cued motor imagery in people with multiple sclerosis: A randomised controlled trial

2018 ◽  
Vol 25 (12) ◽  
pp. 1593-1604 ◽  
Author(s):  
Barbara Seebacher ◽  
Raija Kuisma ◽  
Angela Glynn ◽  
Thomas Berger
Keyword(s):  
Multiple Sclerosis ◽  
Motor Imagery ◽  
Walking Speed ◽  
Controlled Trial ◽  
Walking Distance ◽  
Post Intervention ◽  
Sensorimotor Synchronisation ◽  
Underlying Mechanisms ◽  
Randomised Controlled ◽  
Auditory Cueing

Background: Walking impairment and fatigue are prevalent symptoms in people with multiple sclerosis (PwMS). Motor imagery (MI) with rhythmic auditory cueing improved walking in PwMS, but so far, the underlying mechanisms are not fully explored. Objective: This study investigated the effects and mechanisms of differently cued and non-cued MI on walking, fatigue and quality of life (QoL) in PwMS. Methods: A total of 60 PwMS with mild to moderate disability were randomised to music- and verbally cued MI (MVMI), music-cued MI (MMI) or MI. Participants practised cued or non-cued MI of walking for 17 minutes, six times per week for 4 weeks at home. Primary outcomes were walking speed (timed 25-foot walk) and walking distance (6-minute walk test). Results: A total of 59 participants completed the study. All interventions induced significant improvements in walking speed and distance, while MVMI was superior. After cued MI, fatigue and QoL significantly improved, with greatest changes seen after MVMI. All participants showed high MI ability. Post-intervention, sensorimotor synchronisation (SMS) was significantly more accurate after cued MI. Conclusion: All interventions significantly improved walking. MVMI was superior in improving walking, fatigue and QoL. Results suggest that MI and SMS were mechanisms of action.

scholarly journals Infant sensorimotor synchronisation to speech and non-speech rhythms: A longitudinal study

2021 ◽  
Author(s):  
Sinead Rocha ◽  
Adam Attaheri ◽  
Áine Ní Choisdealbha ◽  
Perrine Brusini ◽  
Sheila A. Flanagan ◽  
...  
Keyword(s):  
Longitudinal Study ◽  
Individual Differences ◽  
Language Development ◽  
Motion Capture ◽  
Longitudinal Analyses ◽  
Language Outcomes ◽  
Gross Motor ◽  
Temporal Complexity ◽  
Acoustic Stimuli ◽  
Sensorimotor Synchronisation

Impaired sensorimotor synchronisation (SMS) to acoustic rhythm may be Impaired sensorimotor synchronisation (SMS) to acoustic rhythm may be a marker of atypical language development. Here, Motion Capture was used to assess gross motor rhythmic movement at six timepoints between five- and 11-months-of-age. Infants were recorded drumming to acoustic stimuli of varying linguistic and temporal complexity: drumbeats, repeated syllables and nursery rhymes. Longitudinal analyses revealed that whilst infants could not yet reliably synchronise their movement to auditory rhythms, they showed improvement in tempo matching with age. Their ability to decelerate from their spontaneous motor tempo, to better accord with the in-coming tempo, also improved with age. Further, infants became more regular drummers with age, with marked decreases in the variability of spontaneous motor tempo and variability in response to drumbeats. This latter effect was subdued in response to linguistic stimuli. The current work lays the foundation for using individual differences in SMS in infancy to predict later language outcomes.

scholarly journals Working memory and auditory imagery predict sensorimotor synchronisation with expressively timed music

2018 ◽  
Vol 71 (8) ◽  
pp. 1781-1796 ◽  
Author(s):  
Ian D Colley ◽  
Peter E Keller ◽  
Andrea R Halpern
Keyword(s):  
Working Memory ◽  
Individual Differences ◽  
Cognitive Processes ◽  
Hierarchical Regression ◽  
Auditory Imagery ◽  
Musical Settings ◽  
Sensorimotor Synchronisation ◽  
And Control ◽  
Synchronisation Error

Sensorimotor synchronisation (SMS) is prevalent and readily studied in musical settings, as most people are able to perceive and synchronise with a beat (e.g., by finger tapping). We took an individual differences approach to understanding SMS to real music characterised by expressive timing (i.e., fluctuating beat regularity). Given the dynamic nature of SMS, we hypothesised that individual differences in working memory and auditory imagery—both fluid cognitive processes—would predict SMS at two levels: (1) mean absolute asynchrony (a measure of synchronisation error) and (2) anticipatory timing (i.e., predicting, rather than reacting to beat intervals). In Experiment 1, participants completed two working memory tasks, four auditory imagery tasks, and an SMS-tapping task. Hierarchical regression models were used to predict SMS performance, with results showing dissociations among imagery types in relation to mean absolute asynchrony, and evidence of a role for working memory in anticipatory timing. In Experiment 2, a new sample of participants completed an expressive timing perception task to examine the role of imagery in perception without action. Results suggest that imagery vividness is important for perceiving and control is important for synchronising with irregular but ecologically valid musical time series. Working memory is implicated in synchronising by anticipating events in the series.

scholarly journals Dynamic modulation of cortico-muscular coupling during real and imagined sensorimotor synchronisation

NeuroImage ◽  
2021 ◽  
pp. 118209
Author(s):  
Patti Nijhuis ◽  
Peter E. Keller ◽  
Sylvie Nozaradan ◽  
Manuel Varlet
Keyword(s):  
Dynamic Modulation ◽  
Sensorimotor Synchronisation

Intentionality of a co-actor influences sensorimotor synchronisation with a virtual partner

2018 ◽  
Vol 72 (6) ◽  
pp. 1478-1492 ◽  
Author(s):  
Peta F Mills ◽  
Bronson Harry ◽  
Catherine J Stevens ◽  
Guenther Knoblich ◽  
Peter E Keller
Keyword(s):  
Error Correction ◽  
Action Planning ◽  
Movement Timing ◽  
Task Instructions ◽  
Addition Task ◽  
Sensorimotor Synchronisation ◽  
Computer Controlled ◽  
Intentional Agents ◽  
Adaptation Processes ◽  
Explicit And Implicit Knowledge

Interpersonal sensorimotor synchronisation requires individuals to anticipate and adapt to their partner’s movement timing. Research has demonstrated that the intentionality of a co-actor affects joint action planning, however, less is known about whether co-actor intentionality affects sensorimotor synchronisation. Explicit and implicit knowledge of a synchronisation partner’s intentionality may influence coordination by modulating temporal anticipation and adaptation processes. We used a computer-controlled virtual partner (VP) consisting of tempo-changing auditory pacing sequences to simulate either an intentional or unintentional synchronisation partner. The VP was programmed to respond to the participant with low or moderate degrees of error correction, simulating a slightly or moderately adaptive human, respectively. In addition, task instructions were manipulated so that participants were told they were synchronising with either another person or a computer. Results indicated that synchronisation performance improved with the more adaptive VP. In addition, there was an influence of the explicit partner instruction, but this was dependent upon the degree of VP adaptivity and was modulated by subjective preferences for either the human or the computer partner. Beliefs about the intentionality of a synchronisation partner may thus influence interpersonal sensorimotor synchronisation in a manner that is modulated by preferences for interacting with intentional agents.

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