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Related Experiment Video

Updated: Feb 3, 2026

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Postural instability in adult ADHD - A pilot study.

Imke Jansen1, Alexandra Philipsen2, Daniela Dalin3

  • 1Department of Psychiatry and Psychotherapy, University Medical Center Freiburg, University of Freiburg, Hauptstraße 5, 79104 Freiburg, Germany.

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|November 5, 2018
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Summary

Adults with Attention-Deficit/Hyperactivity Disorder (ADHD) exhibit significant postural instability and delayed responses. This sensorimotor deficit is linked to impulsivity and hyperactivity, impacting long-term balance control.

Keywords:
ADHDMotor controlNeuropsychiatrySensory systemVestibular system

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Area of Science:

  • Neuroscience
  • Human Motor Control
  • Clinical Psychology

Background:

  • Attention-Deficit/Hyperactivity Disorder (ADHD) in childhood is associated with motor coordination and balance impairments.
  • Sensorimotor deficits in adult ADHD remain under-researched.
  • This study investigates sensorimotor deficits in adults with ADHD using postural control.

Purpose of the Study:

  • To systematically identify and quantify sensory, motor, and central adaptation mechanisms contributing to sensorimotor deficits in adult ADHD patients.
  • To compare postural control in adult ADHD patients versus healthy controls.

Main Methods:

  • A pilot study involving ten adult ADHD patients and ten matched healthy controls.
  • Analysis of spontaneous and externally perturbed stance.
  • Utilized simple feedback model simulations for postural control analysis.

Main Results:

  • Adult ADHD patients displayed larger spontaneous sway amplitudes and velocities compared to controls.
  • Abnormal body excursions in the low-frequency range were observed in ADHD patients during platform tilts.
  • ADHD patients exhibited increased time delays in postural responses and reduced neural controller integral gains, impacting long-term posture control.
  • Postural abnormalities correlated with hyperactivity and impulsivity symptoms.

Conclusions:

  • Adult ADHD is characterized by a significant deficit in stable, long-term sensorimotor behavior.
  • The observed postural control impairments align with the core concepts of impulsivity and hyperactivity in ADHD.
  • Findings highlight the importance of sensorimotor assessment in adult ADHD.