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Published on: June 5, 2019

Gender differences in personality and heart-rate variability.

Wei-Lieh Huang1, Li-Ren Chang, Terry B J Kuo

  • 1Department of Psychiatry, National Taiwan University Hospital, Yun-Lin Branch, Yunlin, Taiwan; Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan; Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan.

Psychiatry Research
|March 19, 2013
PubMed
Summary

Personality traits like exploratory excitability and fatigability are linked to autonomic function, with gender influencing these connections. This research explores these gender-specific associations in healthy adults.

Keywords:
Exploratory excitabilityFatigabilityGender differenceHeart-rate variabilityPersonality

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Published on: September 21, 2018

Area of Science:

  • Psychophysiology
  • Behavioral Neuroscience
  • Autonomic Nervous System Research

Background:

  • Personality traits and autonomic functioning exhibit gender differences, but their interrelationship remains unclear.
  • Medically unexplained symptoms are associated with personality features and can be objectively measured using autonomic function tests.
  • Understanding these connections may reveal gender-specific patterns in psychophysiological responses.

Purpose of the Study:

  • To investigate the relationship between specific personality dimensions and autonomic functioning parameters.
  • To determine if gender moderates the association between personality traits and autonomic measures.
  • To explore potential gender differences in the psychophysiological correlates of personality.

Main Methods:

  • Recruitment of 30 healthy males and 30 healthy females.
  • Administration of the Tridimensional Personality Questionnaire (TPQ) to assess personality traits.
  • Measurement of heart-rate variability (HRV) parameters including low-frequency (LF), high-frequency (HF), and total power (TP).

Main Results:

  • Harm avoidance 4 (fatigability and asthenia) negatively correlated with LF, HF, and TP of HRV across all participants.
  • Novelty seeking 1 (exploratory excitability) positively correlated with LF and TP of HRV.
  • Regression analyses indicated that the interactions of exploratory excitability x gender and fatigability x gender predict LF and HF power, respectively.

Conclusions:

  • Personality features such as exploratory excitability and fatigability are significantly associated with autonomic nervous system functioning.
  • Gender acts as a moderator in the relationship between these personality traits and autonomic parameters.
  • These findings contribute to understanding the psychophysiological underpinnings of personality and their gender-specific modulation.