
The Perception & Action Podcast
Exploration of 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, professor of Human Systems Engineering at Arizona State University, the podcast will review basic concepts and discuss the latest research in these areas.
Latest episodes

7 snips
Jun 25, 2024 • 14min
498 – Using a CLA to Encourage Exploration in Learning a Volleyball Serve
Exploring how task constraint manipulations can enhance learning of a volleyball serve by encouraging exploration in the perceptual-motor workspace. The study's focus on altering constraints and adding repetitions to optimize performance and confidence levels. Delving into the importance of additional constraints for a more refined exploration process.

Jun 18, 2024 • 52min
497 - "Throw Hard, Stay Healthy": Training to Increase Action Capacity in Baseball Pitchers W Ryan Crotin (JC41)
Expert Ryan Crotin shares innovative arm strength training for baseball pitchers to prevent injuries and optimize performance. Topics include functional arm strength, biomechanics, grip activation exercises, velocity enhancement checklist, benefits of diversifying sports, and resources for injury prevention.

6 snips
Jun 11, 2024 • 17min
496 – Player Dynamics as a Measure of Skill
Exploring how player dynamics in soccer can be a measure of skill using attractors and repellors. Predicting player movements, assessing skill levels, and forecasting player strategies through a dynamical systems model.

35 snips
Jun 4, 2024 • 1h 23min
495 - An Ecological Approach to Submission Grappling/Jiu Jitsu Training w Greg Souders (JC40)
Greg Souders from Standard Jiu Jitsu discusses an ecological coaching approach in Jiu Jitsu Training. They explore simplifying learning, shared coaching experiences, grappling technique development, and the importance of invariance in movement space. The discussion also touches on effective teaching strategies and transformative learning through revisiting knowledge.

May 28, 2024 • 1h 11min
494 – Preventing Arm Injuries in Baseball Pitchers by Harnessing Variability In Training (JC 39)
Randy Sullivan & Alan Jaeger discuss preventing arm injuries in baseball pitchers by harnessing training variability. They explore techniques like long toss, varied training methods, and the controversy of using weighted balls. Emphasizing the importance of balancing workload and gradually increasing intensity to enhance performance and reduce injury risks.

4 snips
May 21, 2024 • 19min
493 – How Skill Shapes Functional Movement Variability& Exploration Tendencies
Exploring the impact of skill on movement variability and exploration tendencies in kickboxing, questioning if previous training hinders or enhances creativity. Examining the interplay between individual constraints, intrinsic dynamics, and creativity in functional movement. Investigating how expertise levels affect creativity and exploration tendencies in kickboxing. Delving into the relationship between exploration tendencies and original striking movements, highlighting the importance of exploration for creativity.

May 14, 2024 • 1h 8min
492 – An Ecological Approach to Physical Therapy, Rehab & Injury Prevention (JC38)
Shoulder magician Wieger Heijenk and Tidal Tank's Lupko Pot discuss unique PT and training approaches. Topics include water-based rehab, shifting to external focus for better outcomes, ankle stiffness to prevent injuries, and innovative tools like hydro vests for therapy and injury prevention.

May 7, 2024 • 15min
491 – Comparing Different Methods for Training the Action Capacity of Countermovement Jump (CMJ) Performance
Exploring the effectiveness of ecological dynamics-based training in improving counter-movement jump performance compared to traditional methods. Comparing cognitive vs. ecological training methods for CMJ performance enhancement. Results show ecological dynamics group had greater improvement. Advocating for athlete-centered practice for movement performance enhancement. Importance of adaptability in achieving optimal movement solutions.

Apr 30, 2024 • 20min
490 – Understanding Sport Injury from a Dynamical Systems Approach
Discussing sports injuries from a dynamical systems approach, focusing on good variability, coordination, movement synergies. Exploring muscle synergy, variability, and impact of perturbations on system stability. Analyzing injury prevention through coordination patterns in dynamical systems.

16 snips
Apr 23, 2024 • 51min
489 – Interview with Alex Sarama, Transforming Basketball
Guest Alex Sarama, founder of Transforming Basketball, discusses transitioning to game-based coaching in basketball, emphasizing ecological dynamics, individual player needs, and principles of play. The podcast explores enhancing player performance through active engagement, scout reports, deliberate practice, and focus variability in training.