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Optimal Arousal Theory01:23

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The optimal arousal theory suggests that performance is maximized when an individual experiences a moderate level of arousal. This theory is closely tied to the Yerkes-Dodson law, which illustrates an inverted U-shaped relationship between arousal and performance. The law, formulated by psychologists Robert Yerkes and John Dodson, implies an ideal arousal level for optimal performance, and deviations from this level can lead to declines in effectiveness.
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Related Experiment Video

Updated: Feb 25, 2026

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice
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Practice Makes Efficient: Cortical Alpha Oscillations Are Associated With Improved Golf Putting Performance.

Germano Gallicchio1, Andrew Cooke2, Christopher Ring1

  • 1School of Sport, Exercise, and Rehabilitation Sciences, University of Birmingham.

Sport, Exercise, and Performance Psychology
|July 28, 2017
PubMed
Summary
This summary is machine-generated.

Practicing a motor skill like golf putting enhances performance by refining brain activity. This psychomotor efficiency involves suppressing irrelevant neural processes and activating relevant ones, leading to better results.

Keywords:
EEGalpha oscillationsgolf puttingpracticepsychomotor efficiency

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Area of Science:

  • Neuroscience
  • Motor Learning
  • Sports Science

Background:

  • Motor skill acquisition leads to improved performance and reduced conscious awareness.
  • The psychomotor efficiency hypothesis suggests practice refines neural processes, suppressing irrelevant ones and enhancing relevant ones.

Purpose of the Study:

  • To investigate neurophysiological efficiency changes with practice in a golf putting task.
  • To identify factors mediating performance improvements using mediation analyses.

Main Methods:

  • Test-retest design with 12 recreational golfers before and after 3 practice sessions.
  • Measurements included putting performance, conscious processing, electroencephalographic (EEG) alpha power, and alpha connectivity.
  • Mediation analyses were used to link neural changes to performance outcomes.

Main Results:

  • Putting performance improved, and conscious processing decreased with practice.
  • Performance gains were partly explained by increased alpha power gating and reduced alpha connectivity.
  • Neural efficiency involved inhibiting irrelevant cortical regions (temporal) and activating relevant ones (central).

Conclusions:

  • Practice enhances psychomotor efficiency in precision aiming tasks.
  • Neurophysiological changes, including selective inhibition and functional isolation, underlie performance improvements.
  • Conscious processing changes were not directly linked to performance enhancement in this study.