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Ludovic Marin

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**education and qualifications** **1995-1997** **Ph.D. Thesis.** University of the Mediterranean, Marseille, France **2009** **Habilitation**. University Montpellier I, Montpellier, France. **General research Interests** My main research interests lie in the perception and action field, investigating how controlled movements may be coupled with sensory information. I am particularly interested in skilled behavior in infants, adults and elders, whether this be in more traditional motor control tasks or in sport settings. In addition, I have been involved with investigating different aspects of the dynamical/ecological approach to perception and action and to emotion and action. This includes how infants, adults and elders coordinate together (called *interpersonal coordination*) and control their posture, orientation and goal-directed movements as well as how visual, proprioceptive and vestibular information are used to control movement and how information and movement are coupled. **Current research** As associate professor in the “EuroMov Digital Health in Motion” laboratory at the University of Montpellier (France), my research is focused on inter-personal coordination in interlimb and postural situations. The goal of my research is to determine the sources of interpersonal coordination. Although different fields have investigated social interaction, little work has been performed to integrate their approaches in an interdisciplinary study. Consequently, our work aims at using an interdisciplinary paradigm to examine the multilevel processes that characterize motor coordination and its consequences on social interactions. In order to conduct our investigations, we collaborate with researchers from different fields (psychiatry and robotic) to examine motor coordination in healthy individuals and its impairments in agents with social disorders: patients (social phobia, autistic and schizophrenic patients) and robots (considered as having a deficit in human-robot coordination). In addition to this major research topic, we also investigate the role of the multimodality in motor social interaction. More specifically, we seek to determine the weight of each sensory modality (vision, audition, touch) and their interactions in interpersonal coordination situations. To carry out our experiments we use the original method of wavelet transform (and cross-wavelet transform) in order to measure the temporal evolution of frequency, amplitude and phase of non-stationary movements. This work is the first stage in a series of studies investigating the emotion-action coupling and the “perception-action” relationship. **Previous research** **Post doctoral fellow and lab supervisor,** from 1998 to 2001 in the “Infant Motor Development” Laboratory, Department of psychology, New York University, New York: I was interested in understanding how locomotion, postural control and motor perception was set up in infant toddlers (from 8 to 24 months old). In particular, I was focused on how these infants were able to perceive a risky environment (gaps in the floor, steep slopes, changes in surface friction and rigidity) while walking or crawling and if so, how they adapted their locomotion to cope with these various environmental constraints. **Scientific researcher** (temporary contract) from 1997 to 1998 in the “Sport and Motor Performance” Laboratory at the University of Joseph Fourier, Grenoble, France: My work was focused on spatial orientation and postural control. Studies concerning spatial orientation were conducted at the CRSSA (Army Research Center) where we investigated the role of the different sensory information (vestibular and somato sensory systems) used to control spatial orientation. The postural control studies were based on how Down’s syndrome teenagers were able to control their balance and what sensory information they mainly used to control their posture. **Ph. D. student** (competitive grant) from 1994 to 1997 in the “Movement and Perception” laboratory at the University of the Mediterranean, Marseille, France: My thesis research explored how humans coordinate their limb movements in order to produce relevant postures during a voluntary head movement task. I used concepts of the dynamical approach to explore this coordination, assuming that the large number of available degrees of freedom could be reduced to a few macroscopic descriptors able to summarize the coordination between components. I found that the phase relation between movements of the hip and ankle could be used to describe the dynamical coordination patterns of postural sway. Two stable patterns of coordination were found to emerge from the hip-ankle relations: an in-phase pattern (hip and ankle moving in the same direction) and an anti-phase pattern (these joints moving in the opposite direction). These results confirmed the relevance of using relative phase to study postural control in bipedal stance in humans.


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Human unintentional and intentional interpersonal coordination in interaction with a humanoid robot

Ghiles Mostafaoui , R. C Schmidt , Syed Khursheed Hasnain , Robin Salesse , Ludovic Marin et al.
PLoS ONE, 2022, 17 (1), pp.e0261174. ⟨10.1371/journal.pone.0261174⟩
Journal articles hal-03582702v1

Gesture-speech synchrony in schizophrenia: A pilot study using a kinematic-acoustic analysis

Juliette Lozano-Goupil , Stéphane Raffard , Delphine Capdevielle , Emilie Aigoin , Ludovic Marin et al.
Neuropsychologia, 2022, 174, pp.108347. ⟨10.1016/j.neuropsychologia.2022.108347⟩
Journal articles hal-03760182v1

Study of Coordination Between Patients with Schizophrenia and Socially Assistive Robot During Physical Activity

Lise Aubin , Ghiles Mostafaoui , Chloé Amiel , Hélène Serré , Delphine Capdevielle et al.
International Journal of Social Robotics, 2021, 13, pp.1625-1640. ⟨10.1007/s12369-021-00750-4⟩
Journal articles hal-03167976v1
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Decoding identity from motion: how motor similarities colour our perception of self and others

Alexandre Coste , Benoit Bardy , Stefan Janaqi , Piotr Słowiński , Krasimira Tsaneva-Atanasova et al.
Psychological Research, 2021, 85, pp.509-519. ⟨10.1007/s00426-020-01290-8⟩
Journal articles hal-02518657v1

Effects of unintentional coordination on attentional load

Lise Aubin , Ghilès Mostafaoui , Richard Schmidt , Hélène Serré , Ludovic Marin et al.
Human Movement Science, 2021, 80, pp.102880. ⟨10.1016/j.humov.2021.102880⟩
Journal articles hal-03426176v1
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Toward an Emotional Individual Motor Signature

Juliette Lozano-Goupil , Benoît G. Bardy , Ludovic Marin
Frontiers in Psychology, 2021, 12, ⟨10.3389/fpsyg.2021.647704⟩
Journal articles hal-03243796v1
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Towards an Embodied Signature of Improvisation Skills

Alexandre Coste , Benoît Bardy , Ludovic Marin
Frontiers in Psychology, 2019, 10, pp.2441. ⟨10.3389/fpsyg.2019.02441⟩
Journal articles hal-02432384v1

Influence of perceived emotion and gender on social motor coordination

Zhong Zhao , Robin Salesse , Xingda Qu , Ludovic Marin , Mathieu Gueugnon et al.
British Journal of Psychology, 2019, 110 (3), pp.1-20. ⟨10.1111/bjop.12419⟩
Journal articles hal-02440460v1
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Using mimicry of body movements by a virtual agent to increase synchronization behavior and rapport in individuals with schizophrenia

Stéphane Raffard , Robin Salesse , Catherine Bortolon , Benoit Bardy , José Henriques et al.
Scientific Reports, 2018, 8 (1), ⟨10.1038/s41598-018-35813-6⟩
Journal articles hal-02005556v1

Standing or swaying to the beat

Alexandre Coste , Robin Salesse , Mathieu Gueugnon , Ludovic Marin , Benoit Bardy et al.
Gait & Posture, 2018, 59, pp.28-34. ⟨10.1016/j.gaitpost.2017.09.023⟩
Journal articles hal-02456618v1
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Likability's Effect on Interpersonal Motor Coordination: Exploring Natural Gaze Direction

Zhong Zhao , Robin Salesse , Ludovic Marin , Mathieu Gueugnon , Benoît Bardy et al.
Frontiers in Psychology, 2017, 8, pp.1864. ⟨10.3389/fpsyg.2017.01864⟩
Journal articles hal-02433335v1

Social-motor experience and perception-action learning bring efficiency to machines

Ludovic Marin , Ghiles Mostafaoui
Behavioral and Brain Sciences, 2017, 40, ⟨10.1017/S0140525X1700022X⟩
Journal articles hal-01796431v1
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Unravelling socio-motor biomarkers in schizophrenia

Piotr Slowiński , Francesco Alderisio , Chao Zhai , Yuan Shen , Peter Tino et al.
npj Schizophrenia, 2017, 3, pp.8. ⟨10.1038/s41537-016-0009-x⟩
Journal articles hal-01761364v1
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Understanding the Impact of Expertise in Joint and Solo-Improvisation

Johann Issartel , Mathieu Gueugnon , Ludovic Marin
Frontiers in Psychology, 2017, 8, ⟨10.3389/fpsyg.2017.01078⟩
Journal articles hal-02428816v1
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Influence of facial feedback during a cooperative human-robot task in schizophrenia

Laura Cohen , Mahdi Khoramshahi , Robin N. Salesse , Catherine Bortolon , Piotr Slowiński et al.
Scientific Reports, 2017, 7 (1), pp.15023. ⟨10.1038/s41598-017-14773-3⟩
Journal articles hal-01743127v2
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Humanoid robots versus humans: How is emotional valence of facial expressions recognized by individuals with schizophrenia? An exploratory study

Stéphane Raffard , Catherine Bortolon , Mahdi Khoramshahi , Robin Salesse , Marianna Burca et al.
Schizophrenia Research, 2016, 176 (2-3), pp.506 - 513. ⟨10.1016/j.schres.2016.06.001⟩
Journal articles hal-01866614v1
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Dynamic similarity promotes interpersonal coordination in joint action

Piotr Słowiński , Chao Zhai , Francesco Alderisio , Robin Salesse , Mathieu Gueugnon et al.
Journal of the Royal Society Interface, 2016, 13 (116), pp.1-11. ⟨10.1098/rsif.2015.1093⟩
Journal articles hal-02459656v1
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Postural Coordination during Socio-motor Improvisation

Mathieu Gueugnon , Robin Salesse , Alexandre Coste , Zhong Zhao , Benoît Bardy et al.
Frontiers in Psychology, 2016, 7, pp.1168. ⟨10.3389/fpsyg.2016.01168⟩
Journal articles hal-02432622v1

The acquisition of socio-motor improvisation in the mirror game

Mathieu Gueugnon , Robin Salesse , Alexandre Coste , Zhong Zhao , Benoit Bardy et al.
Human Movement Science, 2016, 46, pp.117-128. ⟨10.1016/j.humov.2015.12.005⟩
Journal articles hal-02461081v1

Moving attractive virtual agent improves interpersonal coordination stability

Zhong Zhao , Robin Salesse , Mathieu Gueugnon , Richard Schmidt , Ludovic Marin et al.
Human Movement Science, 2015, 41, pp.240-254. ⟨10.1016/j.humov.2015.03.012⟩
Journal articles hal-02461297v1
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Social priming enhances interpersonal synchronization and feeling of connectedness towards schizophrenia patients

Stéphane Raffard , Robin Salesse , Ludovic Marin , Jonathan Del-Monte , Richard C Schmidt et al.
Scientific Reports, 2015, 5, pp.8156. ⟨10.1038/srep08156⟩
Journal articles hal-02128537v1

Dynamic models of team rowing for a virtual environment rowing training system

Alessandro Filippeschi , Emanuele Ruffaldi , Antonio Frisoli , Carlo Alberto Avizzano , Manuel Varlet et al.
International journal of virtual reality, 2015, 08 (4), pp.49-56. ⟨10.20870/IJVR.2009.8.4.2749⟩
Journal articles hal-01530486v1
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The relevance of the cross-wavelet transform in the analysis of human interaction -a tutorial

Johann Issartel , Thomas Bardainne , Philippe Gaillot , Ludovic Marin
Frontiers in Psychology, 2015, 5, pp.1566. ⟨10.3389/fpsyg.2014.01566⟩
Journal articles hal-02432769v1

Teaching interactions are based on motor behavior embodiment

Ludovic Marin
Behavioral and Brain Sciences, 2015, 38, pp.31-32. ⟨10.1017/S0140525X1400051X⟩
Journal articles hal-02461123v1

Synchronisation du système postural à l’aide d’une stimulation auditive périodique discrète

A. Coste , M. Gueugnon , R. Salesse , B. Bardy , L. Marin et al.
Neurophysiologie Clinique = Clinical Neurophysiology, 2015, 45 (4-5), pp.413. ⟨10.1016/j.neucli.2015.10.066⟩
Journal articles hal-02461185v1
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How Psychological and Behavioral Team States Change during Positive and Negative Momentum

Ruud J.R. den Hartigh , Christophe Gernigon , Nico W. van Yperen , Ludovic Marin , Paul van Geert et al.
PLoS ONE, 2014, 9 (5), pp.e97887. ⟨10.1371/journal.pone.0097887⟩
Journal articles hal-02432877v1

Just the sight of you

Manuel Varlet , Thomas A. Stoffregen , Fu-Chen Chen , Cristina Alcántara , Ludovic Marin et al.
Journal of Experimental Psychology: Human Perception and Performance, 2014, 40 (6), pp.2310-2318. ⟨10.1037/a0038197⟩
Journal articles hal-02461351v1
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The importance of studying all subgoals at once

Ludovic Marin
Frontiers in Human Neuroscience, 2014, 8, pp.889. ⟨10.3389/fnhum.2014.00889⟩
Journal articles hal-02432586v1
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Difficulty leading interpersonal coordination: towards an embodied signature of social anxiety disorder

Manuel Varlet , Ludovic Marin , Delphine Capdevielle , Jonathan Del-Monte , R. Schmidt et al.
Frontiers in Behavioral Neuroscience, 2014, 8, pp.29. ⟨10.3389/fnbeh.2014.00029⟩
Journal articles hal-02432916v1

Influence of stimulus velocity profile on rhythmic visuomotor coordination

Manuel Varlet , Charles Coey , R. Schmidt , Ludovic Marin , Benoit Bardy et al.
Journal of Experimental Psychology: Human Perception and Performance, 2014, 40 (5), pp.1849-1860. ⟨10.1037/a0037417⟩
Journal articles hal-02461484v1
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Social Priming Increases Nonverbal Expressive Behaviors in Schizophrenia

Jonathan Del-Monte , Stéphane Raffard , Delphine Capdevielle , Robin Salesse , Richard Schmidt et al.
PLoS ONE, 2014, 9 (10), pp.e109139. ⟨10.1371/journal.pone.0109139⟩
Journal articles hal-02432838v1

The supplementation of spatial information improves coordination

Alan Armstrong , Johann Issartel , Manuel Varlet , Ludovic Marin
Neuroscience Letters, 2013, 548, pp.212-216. ⟨10.1016/j.neulet.2013.05.013⟩
Journal articles hal-02464735v1

Nonverbal expressive behaviour in schizophrenia and social phobia

Jonathan Del-Monte , Stéphane Raffard , Robin Salesse , Ludovic Marin , Richard Schmidt et al.
Psychiatry Research, 2013, 210 (1), pp.29-35. ⟨10.1016/j.psychres.2013.05.034⟩
Journal articles hal-02464681v1
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Social motor coordination in unaffected relatives of schizophrenia patients: a potential intermediate phenotype

Jonathan Del-Monte , Delphine Capdevielle , Manuel Varlet , Ludovic Marin , Richard C Schmidt et al.
Frontiers in Behavioral Neuroscience, 2013, 7, pp.137. ⟨10.3389/fnbeh.2013.00137⟩
Journal articles hal-02432463v1

1283 – Social motor coordinations: a study with schizophrenia and social phobic patients

Marie-Christine Gely-Nargeot , Richard Schmidt , Delphine Capdevielle , Robin Salesse , Jonathan Del-Monte et al.
European Psychiatry, 2013, 28 (10), pp.1. ⟨10.1016/S0924-9338(13)76346-6⟩
Journal articles hal-02487774v1

Évolution du concept d’apathie : nécessité d’une approche multifactorielle dans la schizophrénie

Robin Salesse , Jean Philippe Boulenger , Marie Christine Gély-Nargeot , Manuel Varlet , Ludovic Marin et al.
L'Encéphale, 2013, 39 (1), pp.S57-S63. ⟨10.1016/j.encep.2012.11.005⟩
Journal articles hal-02487776v1
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Virtual Reality as a Tool to Learn Interpersonal Coordination: Example of Team Rowing

Manuel Varlet , Alessandro Filippeschi , Grégory Ben-Sadoun , Mickael Ratto , Ludovic Marin et al.
Presence: Teleoperators and Virtual Environments, 2013, 22 (3), pp.202-215. ⟨10.1162/PRES_a_00151⟩
Journal articles hal-02432957v1
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Impairments of Social Motor Coordination in Schizophrenia

Manuel Varlet , Ludovic Marin , Stéphane Raffard , R. Schmidt , Delphine Capdevielle et al.
PLoS ONE, 2012, 7 (1), pp.e29772. ⟨10.1371/journal.pone.0029772⟩
Journal articles hal-02433312v1
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Continuity of Visual and Auditory Rhythms Influences Sensorimotor Coordination

Manuel Varlet , Ludovic Marin , Johann Issartel , R. Schmidt , Benoît Bardy et al.
PLoS ONE, 2012, 7 (9), pp.e44082. ⟨10.1371/journal.pone.0044082⟩
Journal articles hal-02432948v1

Social postural coordination

Manuel Varlet , Ludovic Marin , Julien Lagarde , Benoit Bardy
Journal of Experimental Psychology: Human Perception and Performance, 2011, 37 (2), pp.473-483. ⟨10.1037/a0020552⟩
Journal articles hal-02464790v1

Postural synchronisation in interpersonal visually coupled situation

Manuel Varlet , Ludovic Marin , Julien Lagarde , Benoît G. Bardy
International Journal of Sport Psychology, 2010, 41 (4), pp.117-118
Journal articles hal-02474544v1

Dynamics of expertise level: Coordination in handstand

Geoffroy Gautier , Ludovic Marin , David Leroy , Régis Thouvarecq
Human Movement Science, 2009, 28 (1), pp.129-140. ⟨10.1016/j.humov.2008.05.003⟩
Journal articles hal-01982131v1

Interpersonal motor coordination

Ludovic Marin , Julien Issartel , Thierry Chaminade
Interaction Studies, 2009, 10 (3), pp.479-504. ⟨10.1075/is.10.3.09mar⟩
Journal articles hal-02465053v1

Unintended interpersonal co-ordination: “can we march to the beat of our own drum?”

Johann Issartel , Ludovic Marin , Marielle Cadopi
Neuroscience Letters, 2007, 411 (3), pp.174-179. ⟨10.1016/j.neulet.2006.09.086⟩
Journal articles hal-02465185v1

The perception-action interaction comes first

Ludovic Marin , Julien Lagarde
Behavioral and Brain Sciences, 2007, 30 (2), pp.215-216. ⟨10.1017/S0140525X07001549⟩
Journal articles hal-02465160v1

A Practical Guide to Time—Frequency Analysis in the Study of Human Motor Behavior

Johann Issartel , Ludovic Marin , Philippe Gaillot , Thomas Bardainne , Marielle Cadopi et al.
Journal of Motor Behavior, 2006, 38 (2), pp.139-159. ⟨10.3200/JMBR.38.2.139-159⟩
Journal articles hal-02466308v1
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Contribution of somesthetic information to the perception of body orientation in the pitch dimension.

Lionel Bringoux , Vincent Nougier , Pierre-Alain Barraud , Ludovic Marin , Christian Raphel et al.
The Quarterly Journal of Experimental Psychology: Section A, 2003, 56 (5), pp.909-23. ⟨10.1080/02724980245000016⟩
Journal articles hal-00193896v1

Assessment of Static Postural Control in Teenagers with Down Syndrome

Nicolas Vuillerme , Ludovic Marin , Bettina Debû
Adapted Physical Activity Quarterly, 2001, 18 (4), pp.417-433. ⟨10.1123/apaq.18.4.417⟩
Journal articles hal-02517631v1

When robots fail

Ludovic Marin , Olivier Oullier
Behavioral and Brain Sciences, 2001, 24 (6), pp.1067-1068. ⟨10.1017/S0140525X01400124⟩
Journal articles hal-02517566v1

The effect of expertise in gymnastics on postural control.

N. Vuillerme , F. Danion , L. Marin , A. Boyadjian , J. M. Prieur et al.
Neuroscience Letters, 2001, 303 (2), pp.83-6. ⟨10.1016/s0304-3940(01)01722-0⟩
Journal articles hal-00193910v1

Learning and exploration

Karen Adolph , Ludovic Marin , Frédéric Fraisse
Behavioral and Brain Sciences, 2001, 24 (2), pp.213-214. ⟨10.1017/S0140525X01223942⟩
Journal articles hal-02517660v1

Exploration in the service of prospective control

Karen Adolph , Marion A Eppler , Ludovic Marin , Idell Weise , Melissa Wechsler Clearfield et al.
Infant Behavior and Development, 2000, 23, pp.441-460
Journal articles hal-03147924v1

Effects of gymnastics expertise on the perception of body orientation in the pitch dimension.

L. Bringoux , L. Marin , V. Nougier , P. A. Barraud , C. Raphel et al.
Journal of Vestibular Research, 2000, 10 (6), pp.251-8
Journal articles hal-00193908v1

Control of locomotion in expert gymnasts in the absence of vision

F. Danion , A. Boyadjian , Ludovic Marin
Journal of Sports Sciences, 2000, 18 (10), pp.809-814. ⟨10.1080/026404100419865⟩
Journal articles hal-03147927v1

Veering in human locomotion: the role of the effectors

A. Boyadjian , Ludovic Marin , F. Danion
Neuroscience Letters, 1999, 265 (1), pp.21-24. ⟨10.1016/s0304-3940(99)00198-6⟩
Journal articles hal-03147926v1

Gymnastic skill level as an intrinsic constraint on postural coordination

Ludovic Marin , Benoît G. Bardy , Reinoud J. Bootsma
Journal of Sports Sciences, 1999, 17, pp.615-626. ⟨10.1080/026404199365641⟩
Journal articles hal-03147041v1

Interaction between task demands and surface properties in the control of goal-oriented stance

Ludovic Marin , Benoit G. Bardy , Bernard Baumberger , Michelangelo Flückiger , Thomas A. Stoffregen et al.
Human Movement Science, 1999, 18, pp.31-47
Journal articles hal-03147922v1

Postural coordination modes considered as emergent phenomena.

Benoît G. Bardy , Ludovic Marin , Thomas A Stoffregen , Reinoud Jan Bootsma
Journal of Experimental Psychology: Human Perception and Performance, 1999, 25 (5), pp.1284-1301. ⟨10.1037//0096-1523.25.5.1284⟩
Journal articles hal-03147925v1