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Related Concept Videos

Factors Influencing Heart Rate01:30

Factors Influencing Heart Rate

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The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
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Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
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A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
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Neural Regulation of Blood Pressure01:18

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The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
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Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
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Heart Rate Variability Modulates Interoceptive Accuracy.

Alexander Lischke1, Rike Pahnke2, Anett Mau-Moeller2

  • 1Department of Psychology, University of Greifswald, Greifswald, Germany.

Frontiers in Neuroscience
|February 4, 2021
PubMed
Summary

Interoceptive accuracy, or sensing internal body signals, is linked to brain activity. Higher heart rate variability correlates with better heartbeat detection, suggesting a connection between physiological signals and emotional regulation.

Keywords:
attentionemotionheart rate variabilityheartbeat detectioninteroceptionvagal tone

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Area of Science:

  • Neuroscience
  • Psychology
  • Psychophysiology

Background:

  • Emotional experiences rely on interoception, the perception of internal bodily changes.
  • Deficits in interoception impair emotion understanding and regulation, increasing mental disorder risk.
  • Identifying individuals with interoceptive deficits is crucial for understanding mental health etiology.

Purpose of the Study:

  • To investigate the relationship between prefrontal-(para-)limbic brain engagement and interoceptive accuracy.
  • To explore how cardiac measures can assess interoceptive ability and its neural correlates.
  • To determine if heart rate variability predicts heartbeat detection accuracy.

Main Methods:

  • Administered a heartbeat detection task to 113 healthy individuals.
  • Assessed prefrontal-(para-)limbic engagement using heart rate variability recordings.
  • Correlated heartbeat detection performance with heart rate variability measures.

Main Results:

  • Found a positive association between heartbeat detection accuracy and heart rate variability.
  • Individuals with higher heart rate variability demonstrated superior heartbeat detection.
  • Suggests prefrontal-(para-)limbic engagement influences interoceptive accuracy.

Conclusions:

  • Interoceptive accuracy is associated with prefrontal-(para-)limbic engagement.
  • Cardiac measures, like heart rate variability, offer an efficient method to study interoception.
  • Findings contribute to understanding the psychophysiology of emotion regulation and mental disorders.