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Measuring Attentional Biases for Threat in Children and Adults
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Viewing angle, skill level and task representativeness affect response times in basketball defence.

Christian Vater1

  • 1Institute of Sport Science, University of Bern, Bremgartenstrasse 145, 3012, Bern, Switzerland. christian.vater@unibe.ch.

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Peripheral vision is crucial for basketball defense. This study shows viewing eccentricity impacts response times, and high-skilled players better compensate for these effects in game situations.

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Area of Science:

  • Sports Science
  • Perceptual Psychology
  • Human Movement Science

Background:

  • Peripheral vision is essential for tracking multiple players in basketball defense.
  • Previous research has not experimentally controlled for peripheral vision in sport-specific scenarios.

Purpose of the Study:

  • To investigate peripheral vision usage in basketball defense using controlled stimuli and realistic scenarios.
  • To examine the effects of viewing eccentricity and crowding on player performance.
  • To compare peripheral vision utilization between high- and low-skilled basketball players.

Main Methods:

  • Utilized a CAVE system for immersive, first-person basketball simulations with large viewing eccentricities (up to 90°).
  • Employed a motion-tracking system to record player movement responses.
  • Designed four experimental conditions: simple reaction time (with/without crowding), choice reaction time, and game simulation.

Main Results:

  • Eccentricity effects on response times were observed across all conditions.
  • A significant crowding effect impacted performance in the presence of multiple players.
  • Expertise differences in performance emerged in more complex tasks (choice reaction and game simulation).

Conclusions:

  • Viewing eccentricity significantly influences response times in simulated basketball defense.
  • Perceptual crowding is a limiting factor in dynamic sports environments.
  • High-skilled players demonstrate superior ability to adapt to peripheral vision challenges, suggesting advanced perceptual-motor strategies.