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Characterizing hemodynamic response alterations during basketball dribbling.

Daniel Carius1, Oliver Seidel-Marzi1,2, Elisabeth Kaminski1,2

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Summary

Investigating brain activity during basketball dribbling (BSDT) reveals that task complexity, like hand use and speed, alters neural responses in motor and sensory areas. More efficient players show lower brain activation.

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Area of Science:

  • Neuroscience
  • Sports Science
  • Motor Control

Background:

  • Neural processing during complex, non-stationary sports movements is not well understood.
  • Understanding brain adaptation to varying task demands is crucial for optimizing athletic performance.

Purpose of the Study:

  • To investigate hemodynamic response alterations in the brain during a basketball slalom dribbling task (BSDT).
  • To quantify brain adaptation based on hand use (dominant, non-dominant, alternating) and execution pace (slow, fast).

Main Methods:

  • Utilized multi-distance functional near-infrared spectroscopy (fNIRS) on 23 participants performing a BSDT.
  • Compared brain activity across different hand-use conditions (dominant, non-dominant, alternating) and speeds (slow, fast).

Main Results:

  • BSDT activated bilateral premotor cortex (PMC), supplementary motor cortex (SMA), primary motor cortex (M1), inferior parietal cortex, and somatosensory association cortex.
  • Slower dominant hand dribbling showed lower contralateral sensorimotor responses than faster dribbling.
  • Lower hemodynamic responses in ipsilateral PMC-SMA correlated with lower perceived task complexity and higher basketball skill, indicating neuronal efficiency.

Conclusions:

  • Altered task complexity during BSDT elicits differential hemodynamic response patterns.
  • Quantifying brain activation during complex sports movements is essential for understanding brain-behavior relationships and enhancing motor performance.
  • Neuronal efficiency in skilled athletes is associated with reduced brain activation during specific motor tasks.