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Updated: Jan 22, 2026

Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology
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Heart Rate Variability and Academic Performance of First-Year University Students.

Bianca Lee Thomas1,2, Margaretha Viljoen3

  • 1Department of Human Anatomy and Physiology, University of Johannesburg, Johannesburg, South Africa, bthomas@uj.ac.za.

Neuropsychobiology
|July 3, 2019
PubMed
Summary
This summary is machine-generated.

Higher heart rate variability (HRV), a measure of heart rhythm, is linked to better academic performance in first-year university students. This study highlights the connection between overall HRV and student success.

Keywords:
Academic performanceAutonomic nervous systemAutonomic responseCognitive challengeHeart rate variabilityOrthostatic challenge

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Area of Science:

  • Physiology
  • Cognitive Science
  • Education

Background:

  • Heart rate variability (HRV) is associated with cognitive processing.
  • Cognitive processing is positively linked to academic performance.

Purpose of the Study:

  • To investigate the association between resting HRV or HRV response to challenges and first-year university student academic performance.

Main Methods:

  • Measured overall HRV using total power (TP) and parasympathetic influence with RMSSD.
  • Assessed academic performance via standardized general mean scores.

Main Results:

  • Greater supine overall HRV (TP) was significantly associated with higher academic performance, particularly in females.
  • Vagal measures (RMSSD) showed no significant association with academic performance.

Conclusions:

  • This study is the first to demonstrate a significant positive association between overall HRV and academic performance in first-year university students.