
The Perception & Action Podcast
The Perception & Action Podcast explores how psychological research can be applied to improving performance, accelerating skill acquisition, and designing new technologies in sports and other high-performance domains. Hosted by Rob Gray, a professor of Human Systems Engineering at Arizona State University, the show reviews basic concepts and discusses the latest research in these areas. It is aimed at listeners interested in the science behind movement, perception, and expert performance.
Episodes

589 – Gibson, The Ecological Approach to Visual Perception, Chap 12– Looking with the Head and Eyes
Join Andrew, Marianne, and me as we review Chapter 12 of An Ecological Approach to Visual Perception. My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive bonus content Credits: The Flamin' Groovies – Shake\Some Action Mark Lanegan - Saint Louis Elegy via

588- Using Sports Analytics to Inform Practice Design
A look at ways we can use analytics data to inform practice design, including: manipulating constraints, identifying areas of poor adaptability, evaluating the representativeness of practice, and promoting functional variability. Articles: From data to decisions: Artificial intelligence in football guided by Ecological Dynamics Perspectives on sports analytics to inform constraint manipulation

587 – The CLA: Why do we Constrain Revisited
Revisiting the question of how constraints change movement behavior. Afford vs Potentiate? Preclude vs Promote? Push vs Pull? Articles: https://www.theconstraintscollective.com/ https://www.amazon.com/Inside-Box-Constraints-Make-Better/dp/0593715713/ http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscri

586 – Common Misconceptions about Ecological Dynamics, a discussion with Steve Whelan
Steve Whelan, from mytenniscoaching.com, and I discuss his journey as a tennis coach and coach educator and some of the biggest, persisting misconceptions about Ecological Dynamics. Links: https://mytenniscoaching.com/ https://www.linkedin.com/in/steve-whelan-02b220198/ http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pi

585 - An Ecological Dynamics Approach to Golf Practice-Upcoming Webinar, Will Stubbs, Zen Golf
A discussion with Will Stubbs from Zen Golf about applying Ecological Dynamics to golf and our upcoming webinar. Links: https://www.linkedin.com/in/will-stubbs-zengolf/ https://www.eventbrite.com/e/ecological-dynamics-approach-to-golf-coaching-with-rob-gray-will-stubbs-tickets-1991784468964?aff=oddtdtcreator http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU W

584 – The Talent Thief. What if the way we train young athletes is stealing the very talent we are trying to develop? Ted Kroeten
A discussion with Ted Kroeten, from Joy of the People, about his new book -The Talent Thief: Underloading, the Language of Movement, and the Search for the Perfect Game Links: https://www.joyofthepeople.org/ https://www.amazon.com/Talent-Thief-Underloading-Language-Movement/dp/1962834794/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc)

583 – Applying Dynamical Systems Theory in Coaching, New Course Announcement
A look at a couple of articles that emphasize the value of applying Dynamical Systems Theory in coaching. And an exciting announcement about a new course I am offering, in which I will teach how to apply it in your particular sport. Articles: Movement Variability and the Use of Nonlinear Tools: Principles to Guide Physical Therapist Practice Sprint Running Coordination: A Dynamical Systems Pe

582– Gibson, The Ecological Approach to Visual Perception, Chap 11 – The Discovery of the Occluding Edge and Invalidation of Perception-Memory Distinction
Join Andrew, Marianne, and me as we review Chapter 11 of An Ecological Approach to Visual Perception, the discovery of the occluding edge, and how it completely changes the distinction between perception and memory. My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and

581 – My NEW book: Emergent Cognition
A preview of my latest book: "Emergent Cognition: Rethinking the Role of Thinking and Memory in Sports & the Neuroscience of Skill" Links: https://www.amazon.com/dp/B0H7QLCJNL http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive

580 – The Ways of Knowing – The 4P Model w. Pete Blair
I am joined by Pete Blair from Texas State University to discuss the 4P Model of Knowing. What are the different ways we can know our environment, and how are they best developed? Articles: The Four Ways of Knowing: Revising the 4P Model of Knowing Through a Non-dual and Reflexive Perspective http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Face

579 – Gibson, The Ecological Approach to Visual Perception, Chap 10 – Motion in the World and Movement of the Self (JC 65)

578 – Marco Perazzo, New Jersey Martial Arts (NJMA)
Marco and I talk about his experiences applying Ecological Dynamics in martial arts coaching and his experience with the MSc in Skill Acquisition for Sport program from Munster Technological University, which he recently completed. https://www.mtu.ie/courses/crbsafs9/ http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics,

577 – Enskilled Knowledge & Education of Attention, Carl Woods
Carl Woods from the University of Queensland and I discuss the concept of "enskilled knowledge" and the critical difference between educating attention (showing someone where to look) and the knowledge that comes from doing a thing in a place. Carl gives a ton of wonderful examples from wine tasting and surfing to handing down family recipes and navigating boats across an open ocean! Links: htt

576 – Gibson, The Ecological Approach to Visual Perception, Chaps 9 – Evidence for Direct Perception (JC 64)
Join Andrew, Marianne, and me as we discuss evidence in support of direct perception. A review of Chapter 9 of An Ecological Approach to Visual Perception. http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive bonus content C

575 – On Water Bags and Adapting to Variability, Load, and Pain
A few revelations I have had from doing PT and S&C workshops with water bags. Why is adapting to increased variability typically better than adapting to increased load or pain? http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and recei

574 – Reflections from the Road: Questions to Ask When Trying to Design a Good Constraint
http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive bonus content Credits: The Flamin' Groovies – Shake\Some Action Mark Lanegan - Saint Louis Elegy via freemusicarchive.org and jamendo.com

573 – Reflections from the Road: The Critical Importance of Having Movements that are Information Driven in Practice
A few thoughts from the the road about what I am now calling the "second lowest hanging fruit" in improving practice: keeping movement information driven. http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive bonus content C

572 – An Emergent Discussion with Martial Arts Coach Adam Singer
I am joined by Adam Singer, martial arts instructor at SBG Athens for an emergent discussion on applying ecological dynamics. What are some of the weaknesses with the theory we still need to address? Links: https://www.instagram.com/stories/adamsingersbg/ http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Su

571 – My Coach Education Workshops & New Book
A preview of the coach education workshops I have been developing. Some of the resources I have found helpful, the lessons I have learned, and how to schedule one for your group. Also, a brief plug for the new book I am working on. Articles: The Workshop Survival Guide Kickass Presentations: Wow Audiences with PowerPoint Slides That Click, Humor that's Quick, and Messages That Stick http://

570 – Gibson, The Ecological Approach to Visual Perception, Chaps 8 - Affordances (JC 63)
Join Andrew, Marianne, and me as we discuss one of Gibson's most important contributions: the concept of affordances! A review of Chapter 8 of An Ecological Approach to Visual Perception. Links:The Ecological Approach to Visual Perception http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple

569 – Gibson, The Ecological Approach to Visual Perception, Chaps 6-7 (JC 62)
Join Andrew, Marianne, and me as we look at Chapters 6 and 7 from Gibson's "1979 book": The Ecological Approach to Visual Perception Links:The Ecological Approach to Visual Perception http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and

568 – Representations with Andrew Wilson
A discussion with Andrew Wilson about representations? What are they exactly? Why do people propose we need them? Can we really have a non-representational theory of behavior? Articles: Ecological representations http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Go

567 – An Ecological Account of Previewing and Using Advance Information
How can we understand the cognition involved in route previewing (for example, as is commonly used in rock climbing and alpine skiing) and using advance information (for example, about an opponent's tendencies) from an ecological dynamics perspective? Articles:Action preferences and the anticipation of action outcomes Role of route previewing strategies on climbing fluency and exploratory mov

566 – Gibson, The Ecological Approach to Visual Perception, Chaps 5 (JC 61)
Join Andrew, Marianne, and me as we discuss Chapter 5 from Gibson's "1979 book": The Ecological Approach to Visual Perception. What is the ambient optic array? Links:The Ecological Approach to Visual Perception http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google

565 – Gibson, The Ecological Approach to Visual Perception, Chaps 3-4 (JC 60)
Looking at Chapters 3 and 4 from Gibson's "1979 book": The Ecological Approach to Visual Perception Links:The Ecological Approach to Visual Perception http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive bonus content Credits

564 – Ecological Cognition IV: Decision Making
Looking at decision-making from an ecological perspective. From a mental event that follows perception and precedes action to a phenomenon that emerges from the performer-environment interaction. Links:Ecological cognition: expert decision-making behaviour in sport http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc)

563 – Gibson, The Ecological Approach to Visual Perception (JC 59)
Join Andrew, Marianne, and me as we start a new book. Looking at Chapters 1 and 2 from Gibson's "1979 book": The Ecological Approach to Visual Perception Links:The Ecological Approach to Visual Perception http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Sup

562 – Ecological Cognition III: Radical Embodied Cognitive Science (part 1)
Continuing the journey in understanding the Ecological approach to cognition by looking at Tony Chemero's book: Radical Embodied Cognitive Science. Conceptualizing cognition in terms of agent-environment dynamics instead of computation and representation. What is RECS, and where did these ideas come from? Links:Radical Embodied Cognitive Science A non‐representational approach to imagined acti

561 – An Ecological Dynamics Account of Flow in Sport
Looking at an ecological dynamics account of the experience of flow as a way to illustrate some of the key concepts in understanding the ecological view of cognition. Links:https://www.sciencedirect.com/science/article/pii/S0001691825000782 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Appl

560 – Ecological Cognition II: Resonance
What the heck does the brain do in Ecological Dynamics, if it isn't computing, processing, or representing? An introduction to the concept of Resonance. Articles:A Theory of Resonance: Towards an Ecological Cognitive Architecture From metaphor to theory: the role of resonance in perceptual learning http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast

559 – Turvey, Lectures on Perception: An Ecological Perspective, Chapter 26 (JC58)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson and Marianne Davies to discuss chapter 26 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Fa

558 – The Ecological Approach to Cognition: An Introduction
Is it true that there is no cognition in the ecological approach to skill? No, of course not. In this episode, I want to start a series of episodes to explain how we can understand cognition (e.g., problem solving, memory, intention, agency, anticipation, decision making, etc) from an ecological viewpoint. Articles:The ecological dynamics of cognizant action in sport http://perceptionaction.com

557 – Turvey, Lectures on Perception: An Ecological Perspective, Chapters 24-25 (JC57)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson and Marianne Davies to discuss chapters 24 and 25 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Po

556 – State of the Podcast
556 – State of the Podcast An update on the future of the podcast moving into 2026. http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive bonus content Credits: The Flamin' Groovies – Shake\Some Action Mark Lanegan - Saint Lou

555 – Turvey, Lectures on Perception: An Ecological Perspective, Chapters 22-23 (JC56)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson and Marianne Davies to discuss chapters 22 and 23 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Po

554– Turvey, Lectures on Perception: An Ecological Perspective, Chapters 20-21 (JC55)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson and Marianne Davies to discuss chapters 20 and 21 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Po

553 – Motor Signatures & Action Types, Bertrand Théraulaz and Prashant Patel
I am joined by Bertrand Théraulaz and Prashant Patel to discuss the Motor Signatures used to identify an athlete's intrinsic dynamics or preferred patterns of coordination. Links:https://motorsignatures.com/ http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google

552 – Turvey, Lectures on Perception: An Ecological Perspective, Chapters 17-19 (JC54)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson and Marianne Davies to discuss chapters 17-19 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcas

551 – Turvey, Lectures on Perception: An Ecological Perspective, Chapters 15 and 16 (JC53)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson and Marianne Davies to discuss chapters 15 and 16 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Po

550 – Books, books, and more books. Webinars, workshops, and responses to YouTube comments!
A smorgasbord of stuff to celebrate my 550th episode "milestone"! 3 new books!! A webinar and workshop. Ways to organize a workshop. And having some fun with YouTube comments. Books: Enhancing skill in American football: Revolutionizing practice design for transfer to game day The advanced ecological approach to skill development Constraints-Led Approach to Coaching Tennis Webinars

549 – Enhancing Skill in American Football, Shawn Myszka
I am joined by Shawn Myszka from Emergence to talk about our newly released book (w// Tyler Yearby) - Enhancing skill in American football: revolutionizing practice design for transfer to game day. Articles:Enhancing skill in American football: Revolutionizing practice design for transfer to game day http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcas

548 – Focus of Attention, the Structure of Variability & Placebo Effects
A look at a couple studies examining the effect of focus of attention on performance. How does focus of attention affect good and bad movement variability? Does it alter placebo effects? Articles: Changing one's focus of attention alters the structure of movement variability The placebo effect in the motor domain is differently modulated by the external and internal focus of attention Mor

547 – How Effective are Coaches at Designing and Adapting Practice in the CLA?
How effective are coaches at designing and adapting constraints? Which has more impact: manipulating informational/verbal constraints or other (physical) task constraints? Articles:The influence of coaches' intervention on the technical-tactical performance dynamics of young soccer players http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook

546 – How Do Nonlinear & Linear Training Influence the Quantity and Quality of Search for a Movement Solution
How does the quality and quantity of search for a movement solution differ for linear and nonlinear training approaches? Is it the case that linear approaches restrict the development of functional movement variability? Is there any case for ever using a linear approach? Links:The influence of linear and nonlinear pedagogies on movement exploration of a weightlifting skill http://perceptionact

545 – Turvey, Lectures on Perception: An Ecological Perspective, Chapters 13 and 14 (JC52)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson and Marianne Davies to discuss chapters 13 and 14 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Po

544 – My Next Book – The Advanced Ecological Approach to Skill Development: Getting More Out of the CLA
A few personal updates and a preview of my next book: The Advanced Ecological Approach to Skill Development: Getting More Out of the CLA Links:https://perceptionaction.com/book/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive bonus content Credits: T

543 – Why Do We Lose Calibration of Perceptual-Motor Skill so Quickly and What Can We Do About It?
Revisiting the topic of calibration in direct learning, with a specific focus on why we lose calibration when not practicing. The blessing and curse of having a high learning rate. Articles:Better with each throw—a study on calibration and warm-up decrement of real-time consecutive basketball free throws in elite NBA athletes A serial-position curve in high-performance darts: the effect of vi

542 – Training to Maintain, Skill Retention & Decay
How quickly does a skill decay if we don't practice? How does it depend on factors such as complexity? What are the best ways to maintain skill? Articles:Procedural skill retention and decay: A meta-analytic review. An extended challenge-based framework for practice design in sports coaching My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, et

541 – Task Simplification, Simplexity & Further Evidence Against the Need for Fundamentals
What is Simplexity? How does it relate to Task Simplification? And a look at another study providing evidence against the fundamentals first approach. Articles:The impact of task simplification in skill acquisition for young children from a simplexity approach My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscri

540 – How Does Variability of Practice Influence Search?
How does search in task and joint space (for an interception task) differ in blocked and random practice conditions? Articles:Random and Blocked Practice Schedule Affect Search for New Movement Coordination Patterns Differently My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the

539 – Turvey, Lectures on Perception: An Ecological Perspective, Chapters 11 and 12 (JC51)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson and Marianne Davies to discuss chapters 11 and 12 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Po

538 – Turvey, Lectures on Perception: An Ecological Perspective, Chapters 9 and 10 (JC49)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson to discuss chapters 9 and 10 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (

537 – Representative Design & Sampling from the Competitive Environment
How do basketball shots differ when practicing unopposed vs against a defender? Does playing 1 vs 1 take a good "slice" or sample of the competitive environment, or do we need to practice with larger numbers? Article:Sampling perception-action couplings from competition create representative basketball shooting tasks: A replication and extension of Gorman and Maloney (2016) http://perceptionac

536 – The value of opposed and unopposed practice, Tom Parry
An interview with Tom Parry from Butler University to discuss his new paper looking at the value of opposed vs unopposed practice in ecological dynamics. Article & Links:The value of opposed and unopposed practice: An ecological dynamics rationale for skill development https://x.com/kestrelpsych https://kestrelpsychology.wixsite.com/kestrelpsychology https://www.linkedin.com/in/tom-parryphd/

535 – Individual Differences in the Benefits of Linear and Non-Linear Pedagogy Approach to Skill Training
Does "it depend" when choosing between using a nonlinear vs linear pedagogy approach to coaching? Do some learners benefit from a prescriptive, linear approach? A look at the potential mediating role of adaptability. Article:The influence of linear and nonlinear pedagogy on motor skill performance: the moderating role of adaptability http://perceptionaction.com/ My Research Gate Page (pdfs of m

534 – Is the Distance Effect Found in Focus of Attention Research Spatial or Temporal?
A review of the paper: "The Distance Effect in Focus of Attention: Spatial or Temporal Distance?" by Kevin Becker and colleagues. What matters: whether a cue is closer to the body or during vs after execution? Article:The Distance Effect in Focus of Attention: Spatial or Temporal Distance? http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook

533 – The Integrated Anatomy of Pitching, Randy Sullivan
An interview with Randy Sullivan and Frans Bosch to discuss Randy's new book "The Integrated Anatomy Pitching". The science of movement variability, motor control, and injury prevention like never before. Links: https://floridabaseballarmory.com/product/integrated-anatomy-of-pitching-hardcover-edition/ https://www.amazon.com/Integrated-Anatomy-Pitching-Randy-Sullivan-ebook/dp/B0DVC5VGYS htt

532 – Turvey, Lectures on Perception: An Ecological Perspective, Chapters 7 and 8 (JC49)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson and Marianne Davies to discuss chapters 7 and 8 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podc

531 – The Constraints Led Approach to Soccer Coaching, Simon Schröttle
An interview with Simon Schröttle, author of Revolution in Soccer: The Perfect Practice, discussing using the CLA in soccer coaching. Links:https://www.amazon.com/dp/B0F1TV21JT http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receiv

530 – Turvey, Lectures on Perception: An Ecological Perspective, Chapters 5 and 6 (JC48)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson and Marianne Davies to discuss chapters 5 and 6 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podc

529 – Turvey, Lectures on Perception: An Ecological Perspective, Chapters 3 and 4 (JC47)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson to discuss chapters 3 and 4 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (v

528 – Assessing Progress in the Ecological Approach: The Method of Progessive Constraints
How can we assess and measure an athlete's progress when you use an ecological approach? How do we know whether what we are doing is working or not? Introducing the Method of Progressive Constraints. http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the

527 – Turvey, Lectures on Perception: An Ecological Perspective, Chapters 1 and 2 (JC46)
On another edition of the Perception-Action journal club, I am joined by Andrew Wilson to discuss chapters 1 and 2 from Michael Turvey's book "Lectures on Perception: An Ecological Perspective" Links:https://www.amazon.com/Lectures-Perception-Perspective-Michael-Turvey/dp/1138335266 http://perceptionaction.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (v

526 – Why are Balance Bikes More Effective for Learning to Ride than Bikes with Training Wheels? A Variability Analysis
Do Balance Bikes lead to more functional variability in postural control when learning to ride a bike? Do they help support the transition from freezing to freeing degrees of freedom? Articles:Learning to Cycle: Why Is the Balance Bike More Efficient than the Bicycle with Training Wheels? The Lyapunov's Answer My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (vid

525 – Variability of Practice & Education of Attention
Does adding more variability to practice conditions aid the process of education of attention? Can we predict the trajectory through informational space that occurs during learning? Articles: The Education of Attention as Explanation of Variability of Practice Effects: Learning the Final Approach Phase in a Flight Simulator Learning to control collisions: The role of perceptual attunement and

524 - Is it better to give a specific performance outcome target or one based on perception of effort?
A look at a new study with powerlifters comparing performance when instructed to lift the bar at "maximum velocity" versus a specific velocity target. Articles: Considerations for Velocity-Based Training: The Instruction to Move "As Fast As Possible" Is Less Effective Than a Target Velocity My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc)

523 – Critical Fluctuations as an Early Warning Signal of Sports Injuries: Proof of Concept
Can we predict sports injury by monitoring transition points between attractors states of a complex system, or, in other words, points of instability? A test using soccer players. Articles:Critical Fluctuations as an Early Warning Signal of Sports Injuries? A Proof of Concept Using Football My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc)

522 – Variability of Practice – A Deeper Dive
Variability of practice helps motor learning. That is an undeniable fact. But let's consider some of the subtleties: what are the different ways we can create variability in practice? How do the benefits of variability depend on the initial variability of the learner? Why exactly does variability have its effect? When should it be introduced? Articles: How Variability Shapes Learning And Gener

521 – What's Up With Me & Where is the Podcast Headed?
A brief personal update and update on the podcast before I break for the holidays 😊 More information: Subscribe in iOS/Apple Subscribe in Android/Google My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Email: robgray@asu.edu Support the podcast and receive bonus content

520 – Okkulo - A Training System for Manipulating Visual Constraints in Sports (JC 45)
A discussion with Mel O'Connor and Jack Woodburn from Okkulo Ltd. Links:https://www.okkulo.com/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive bonus content Credits: The Flamin' Groovies – Shake\Some Action Mark Lanegan - Saint Louis Elegy via free

519 – Replicating Key Evidence for Prospective Control in Ball Catching
A review of a recent study that attempts to replicate the "angle of approach effect" and "movement reversals" found in previous research. Articles:Angle-of-approach and reversal-movement effects in lateral manual interception My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the p

518 – The Effects of Concussion on Movement Coordination
How does a previous history of concussion effect movement coordination? Articles:Altered inter-segmental coordination in athletes with a history of concussion My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive bonus content Credits: The Flamin' Groovies

517 – Still No Evidence for the Transfer of Generalized Perceptual-Cognitive Training to Sports Performance
A review of a follow up study which fails to replicate one of the very few pieces of evidence supporting the benefits of generalized perceptual-cognitive training for sports. Articles:No transfer of 3D-Multiple Object Tracking training on game performance in soccer: a follow-up study My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscri

516 – Do Averaged, Group Data Accurately Capture & Represent Individual Movements Solutions?
To what extent do models generated from the average results of a group of participants (i.e., the traditional approach used in most statistics) actually represent the movement behavior of individuals? Articles:Interactive effects between group and single-subject response patterns My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe

515 – Experience & Focus of Attention: Effect of Focus of Attention When Using the Dominant vs Non-Dominant Hand in MMA
Do the effects of internal, external and holistic focus of attention instructions different in MMA when striking with the dominaint vs non-dominant hand? Articles: External focus of attention delivers superior punches with the preferred hand but not with the non-preferred: A comparison of internal, external and holistic focus of attention My Research Gate Page (pdfs of my articles) My ASU Web p

514 – How Does an Athlete's Prior Coordination Solution Influence Learning a New One?
A review of the new paper: Prior coordination solutions shape motor learning and transfer in redundant tasks. Articles: Prior coordination solutions shape motor learning and transfer in redundant tasks My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive bonu

513 – My NEW Book is here: Learning to be an "Ecological" Coach
A preview of my new book "Learning to be an "Ecological" Coach: Developing Attuned & Adaptable Coaching Skills" which was just released. Links: https://www.amazon.com/dp/B0DJKN9T1M My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid/Google Support the podcast and receive bonus content Credits:

512 – Active Inference and the Control of Action
A look at the Active Interference Theory of the control of action and the concept of "Free Energy". How can these ideas be applied to practice design in sports? Articles: An Active Inference Account of Skilled Anticipation in Sport: Using Computational Models to Formalise Theory and Generate New Hypotheses My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos

511 – Applying the Predictive Processing Theory of Action Control to Practice Design in Sports
A look at the Predictive Processing of Action Control and how it might be applied to practice design. Articles:The Element of Surprise: How Predictive Processing Can Help Coach Practitioners Understand and Develop Skilled Movement in Sport Settings My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscribe in Anroid

510 – Self-Organization, The Great Unknown: Preview of the 2024 Baseball Skill Acquisition Summit
I am joined by Randy Sullivan and Frans Bosch to preview the annual Florida Baseball Armory Baseball Skill Acquistion Summit which will be held on Oct 19-20. Unraveling some of the mysteries of self-organization. Links:https://floridabaseballarmory.com/summit/ My Research Gate Page (pdfs of my articles) My ASU Web page Podcast Facebook page (videos, pics, etc) Subscribe in iOS/Apple Subscr
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