Brazilian Journal of Motor Behavior <p><strong>The Brazilian Journal of Motor Behavior (BJMB) is a publication of the Brazilian Society of Motor Behavior (<em>Sociedade Brasileira de Comportamento Motor - SOCIBRACOM</em>) since 2006. BJMB is </strong><span lang="PT-BR"><strong>a free-of-charge, quarterly, peer-reviewed, and open-access journal. </strong>It is an arbitrated journal that uses an external review system by peers who have knowledge of the objects investigated and the methodologies used in the research.</span></p> <p><span lang="PT-BR"><strong>The BJMB accepts original contributions pertaining to the multidisciplinary study of human movement throughout the lifespan, involving a broad range of topics related to the field of Motor Behavior like motor control, development and learning, movement disorders, clinical, theoretical and model studies.</strong> These articles could come from diverse disciplines such as kinesiology, biomechanics, neurophysiology, neuroscience, psychology, medicine, sports performance, and rehabilitation. </span></p> <p><span lang="PT-BR">The BJMB [ISSN: 2446-4902 (online version)] is published using the Open Journal System (OJS) technology to improve the speed, efficiency, quality, fairness, and impact of scientific publishing. The submitted manuscript must be original, unpublished, and not be under consideration by any other journal for publication. </span>The authors are the only party responsible for assertions made in their articles. </p> <p><strong><span lang="PT-BR">BJMB only publishes manuscripts in English.</span></strong></p> <p><strong>There is NO charge or fee to publish in the BJMB. </strong>Also, all articles published in the BJMB are open access freely available online, immediately upon publication.</p> <p><strong><span class="TextRun SCXW74348295" lang="EN-US">The first </span><span class="TextRun SCXW74348295" lang="EN-US">review of the paper will be taken in a maximum of 60 days after submission.</span></strong></p> <p> </p> <p><em>E-mail: </em></p> <p>Brazilian Society of Motor Behavior</p> <p><a href="" target="_blank" rel="noopener"></a></p> en-US <p>Authors must declare that the work submitted is their own and that copyright has not been breached in seeking its publication. If the manuscript includes work previously published elsewhere, it is the author(s) responsibility to obtain permission to use it and to indicate that such permission has been granted.&nbsp;</p> <p>Authors retain the copyright of their paper and grant the Brazilian Journal of Motor Behavior (BJMB) the right to first publish the work under a Creative Commons Attribution-NonCommercial-NoDerivatives license (<a href="">CC BY-NC-ND</a>). This license allows users to share the paper given the appropriate credit to the author and source and does not allow commercial uses and derivative materials to be produced.</p> (Fabio A. Barbieri - Editor-in-chief) (Brazilian Society of Motor Behavior - SOCIBRACOM) Fri, 22 Dec 2023 00:00:00 +0000 OJS 60 How does motor performance change with increasing stress doses? A tutorial on dose-response profiles applied to crew rowing <p style="font-weight: 400;">Many models of motor performance acknowledge that adapting to stressors plays a major role in how we move. However, most models lack a precise conceptualization of the way in which stress-response dynamics unfold. To fill this void, we first present popular models from the domain of biology and psychology which argue that the impact of a stressor depends on its dose. Next, we provide a tutorial using the example of crew rowing to demonstrate how these models can be scaled to human motor performance. In this example, the dose of the stressor is varied by target times for several 500 m races and the response variable represents the crew coordination. Specifically, we discuss how the necessary parameters can be determined a priori and how the data can be analyzed to pinpoint the exact dose-response relationship. These strides are necessary for developing more comprehensive theories of motor performance and engage in cross-disciplinary research on the impact of stressors.</p> Yannick Hill, Laura S. Cuijpers, Paula L. Silva, Ruud J. R. Den Hartigh, Adam W. Kiefer Copyright (c) 2023 Yannick Hill, Laura S. Cuijpers, Paula L. Silva, Ruud J. R. Den Hartigh, Adam W. Kiefer Fri, 22 Dec 2023 00:00:00 +0000 Editorial: Michael Turvey: The Most Influential Scholar in Motor Behavior in the Last 50 Years <p style="font-weight: 400;">It is difficult to estimate the impact that Michael Turvey (February 14th, 1941 – August 12th, 2023) had on the field of motor behavior. His research and thoughts influenced uncountable scholars over the last 50 years, and his kindness and dedication were examples to many. Through the reflections of esteemed colleagues and former students gathered in this Special Issue of the Brazilian Journal of Motor Behavior, we gain insights into the profound influence of Michael Turvey on motor behavior and beyond.</p> Vitor S. Profeta Copyright (c) 2024 Vitor S. Profeta Fri, 22 Dec 2023 00:00:00 +0000 One more time with feeling: A personal tribute to Michael Turvey the scientist <p style="font-weight: 400;">Early influences of Michael Turvey’s work on the author’s thinking and Turvey’s long lasting impact on the field of motor behavior and related scientific disciplines are briefly described.</p> J. A. Scott Kelso Copyright (c) 2024 Scott Kelso Fri, 22 Dec 2023 00:00:00 +0000 Mini-review: Biological Movements as Objects of Natural Science <p style="font-weight: 400;"><strong>BACKGROUND: </strong>Two approaches to biological movement have dominated the field, the computational approach (internal models) and the approach based on laws of nature pioneered by several researchers including Michael Turvey.</p> <p style="font-weight: 400;"><strong>AIM AND METHOD: </strong>We review a body of literature exploring and expanding the approach based on laws of nature. We show, in particular, how this approach fits the philosophical traditions of Merleau-Ponty, the theory of control with spatial referent coordinates, the principle of abundance, and the concept of performance-stabilizing synergies using the uncontrolled manifold hypothesis.</p> <p style="font-weight: 400;"><strong>RESULTS:</strong> Currently, this scheme of motor control has been applied successfully in studies of a variety of effectors, from single motor units to the whole body, a variety of tasks, and various populations. It led to the discovery of new phenomena and new interpretations of known phenomena. It has been productive in studies of neurological patients offering new understanding of some of the common pathologies (e.g., spasticity) and new tools for early diagnosis of various subcortical disorders and monitoring treatment effects.</p> <p style="font-weight: 400;"><strong>CONCLUSION:</strong> Currently, this field faces a number of challenges including the following: Mapping steps in the hierarchical control scheme on neurophysiological structures and circuits, understanding the relative role of intra-muscle (spinal) and multi-effector (supraspinal) synergies, expanding studies of movements in intact animals and animal preparation, and moving beyond the current scheme to fields traditionally associated with psychology. Just like the current scheme represents moving “outside the box” of classical mechanics, a step outside the current thinking is needed.</p> Mark L. Latash Copyright (c) 2023 Mark Latash Fri, 22 Dec 2023 00:00:00 +0000 Biological Movements as Objects of Natural Science (In memory of Michael Turvey, February 14, 1942 - August 12, 2023) <p style="font-weight: 400;">Michael Turvey was a great scientist, encyclopedist, fine lecturer, and, together with his wife and colleague Claudia Carello a wonderful friend of many. Mike Turvey was able to educate the next generation of students and influence the thinking of many outstanding researchers by focusing on a multidisciplinary approach to ecological psychology in which organisms directly perceive sensory stimuli and evaluate them depending on actions they can accomplish in the environment (Gibson 1968). This, “affordance principle” is applied to all biological kingdoms from a single cell amoeba to multi-celled organisms. Some other essential ideas in behavioral neuroscience advanced by Turvey are considered.</p> Anatol Feldman Copyright (c) 2024 Anatol Feldman Fri, 22 Dec 2023 00:00:00 +0000 Michael Turvey: A Personal Tribute <p>Michael Turvey revolutionized the study of perception and action. In this personal tribute, I summarize his most important contributions from my perspective. The contributions start with information-processing psychology and then turn to ecological and dynamical-systems research. My work, like that of many others, was significantly affected by Turvey’s insights and charisma. I review studies of my own that particularly bore the mark of Turvey and his colleagues.</p> David A. Rosenbaum Copyright (c) 2024 David Rosenbaum Fri, 22 Dec 2023 00:00:00 +0000 In Tribute: Reflections on the Impact of Professor Michael Turvey on Motor Development <p style="font-weight: 400;">In our tribute to Professor Michael Turvey, we have two parallel goals: 1) to highlight the scientific scope of Turvey’s impact on motor development; and, 2) to expose readers to papers that they may not have read but that might cast new light on age-old questions they confront in their current research on motor development.&nbsp; The paper is divided into two equal time periods.&nbsp; In Part 1, from 1975 to 1999, we trace the emergence and growth of Dynamic Systems/Ecological Realism (perception-action) paradigms. &nbsp;We explain how the existing paradigms in motor development research, the descriptive and information processing paradigms were, in part, replaced by new paradigms whose existence owes much to Michael Turvey and his colleagues.&nbsp; We suggest that this time period was one where Turvey had the most conceptual influence on the field.&nbsp; In Part 2, from 2000 to 2024, we describe how factors, including the emergence of two new paradigms in motor development research may have reduced Turvey’s direct influence.&nbsp; But we also note that there is still much research undertaken that builds off the bases of Dynamic Systems and Perception-Action Coupling approaches including research by Turvey and his students/colleagues.&nbsp; We end with the suggestion that the present generation of motor development researchers may have something to gain by re-/reading research from these perspectives regardless of whether it is directly from Professor Turvey’s pen or from those whom he influenced (or influenced him).</p> Jill Whitall, Jane E. Clark Copyright (c) 2024 Jill Whitall, Jane E. Clark Fri, 22 Dec 2023 00:00:00 +0000 The organization of action: Contemporary relevance of Turvey’s approach to motor behavior <p style="font-weight: 400;">In this article, I will list the major contributions that Michael Turvey has made to the field of motor control from the perspective of my own research in the area. There are multiple research programs that I have carried out over the last twenty-five years that have all been influenced by the ecological and dynamical systems accounts that were pioneered by Michael Turvey. In this article I will highlight significant developments in 1) contribution of movement to timing and time perception 2) the contribution of the motor system in beat perception in music 3) postural sway dynamics 4) the role of detuning in bimanual coordination and finally 5) the control of unstable objects. In all these lines of work, I will specifically provide instances of how Michael Turvey’s ideas inspired subsequent research in my lab and elsewhere.</p> <p> </p> Ramesh Balasubramaniam Copyright (c) 2024 RAMESH BALASUBRAMANIAM Fri, 22 Dec 2023 00:00:00 +0000 More than science: A systems approach inspired by Michael T. Turvey <p style="font-weight: 400;">This year, we lost a giant in the field of perception and action, Michael T. Turvey. This special issue is dedicated to the impact that he made on his students and the field. I learned about ecological psychology just as I was headed to graduate school in 1990. Through Michael's teachings and my own academic career that followed, I recognized that the inseparability of organism and environment that was fundamental to ecological psychology was part of the larger story of a systems perspective that itself helped to frame questions of causality from Aristotle and the problematic division of subject and object inherited from Descartes. In this mini review, I identify fundamental concepts in systems science from an academic perspective, but I extend that same reasoning to life beyond science. Together with his wife, Claudia Carello, who was also the director of the Center for the Ecological Study of Perception and Action (CESPA) at the University of Connecticut, Michael taught, mentored, and cared for his students within the same systems framework. It is that broader lesson for how to teach and mentor students that I offer to honor his memory today.</p> Polemnia G. Amazeen Copyright (c) 2024 Polemnia Amazeen Fri, 22 Dec 2023 00:00:00 +0000 Faraday’s error of omission: A tribute to Michael Turvey <p style="font-weight: 400;">Michael Faraday’s admonition to scientists—“Work. Finish. Publish.”— was on Michael Turvey’s office door at the Center for Ecological Study of Perception and Action. Michael heeded this admonition, publishing hundreds of scientific papers and chapters over the course of his fifty-year career. But Michael always believed that his true life’s work was as a mentor and educator. Moreover, Michael also believed that the time and energy spent celebrating successes ought to outweigh that spent on bemoaning failures. And so, Michael lived by a revised version of Faraday’s admonition—“Work. Finish. Publish. Teach. Celebrate.”</p> Jeffrey B. Wagman Copyright (c) 2023 Jeffrey Wagman Fri, 22 Dec 2023 00:00:00 +0000 Remembering Michael T. Turvey: A tribute to an extraordinary teacher & mentor <p style="font-weight: 400;">This essay is a tribute to Michael T. Turvey, my PhD mentor at the Center for the Ecological Studies of Perception and Action (CESPA), University of Connecticut, and a distinguished figure in the field of motor behavior research. My narrative aims to showcase the exceptional qualities of Turvey as a teacher and mentor and share the insights I gained from him in the specific context of his emblematic action course. I hope these insights will enlighten and inspire others as they have me, thereby perpetuating his legacy.</p> <p style="font-weight: 400;"> </p> Paula L. Silva Copyright (c) 2024 Paula L. Silva Fri, 22 Dec 2023 00:00:00 +0000 Infographic: How is talent defined among Brazilian sports scientists? <div><span lang="EN-US">Access the infographic at <a href=""></a>.</span></div> Carlos R. Thiengo, Marcelo Massa Copyright (c) 2023 Carlos Rogério Thiengo, Marcelo Massa Fri, 22 Dec 2023 00:00:00 +0000