The Perception & Action Podcast

The Perception & Action Podcast

Exploration of how psychology and sports science 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.

Episodes

August 12, 2025 13 mins

How effective are coaches at designing and adapting constraints? Which has more impact: manipulating informational/verbal constraints or other (physical) task constraints?

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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?

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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”

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A few personal updates and a preview of my next book: The Advanced Ecological Approach to Skill Development: Getting More Out of the CLA

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Revisiting the topic of calibration in direct learning, with a specific focus on why we lose calibration when not practicing. Read more

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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?

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What is Simplexity? How does it relate to Task Simplification? And a look at another study providing evidence against the fundamentals first approach.

Articl...

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How does search in task and joint space (for an interception task) differ in blocked and random practice conditions?

Articles:

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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”

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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”

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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?

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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.

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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.

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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?

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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 l...

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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”

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An interview with Simon Schröttle, author of Revolution in Soccer: The Perfect Practice, dis...

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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”

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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”

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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.

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