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Related Concept Videos

Socioemotional Development during Infancy01:30

Socioemotional Development during Infancy

Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
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Related Experiment Video

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Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
11:51

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Published on: March 2, 2011

Testosterone and temperament traits in men: Longitudinal analysis.

Ilmari Määttänen1, Markus Jokela, Taina Hintsa

  • 1IBS, Unit of Personality, Work and Health Psychology, University of Helsinki, Helsinki, Finland.

Psychoneuroendocrinology
|September 17, 2013
PubMed
Summary

Higher testosterone levels correlate with increased novelty seeking in men. Longitudinal analysis confirmed this link, suggesting testosterone influences specific temperament traits over time.

Keywords:
Free testosteroneNSNovelty seekingPersonalityTemperamentTestosterone

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Area of Science:

  • Endocrinology
  • Behavioral Neuroscience
  • Human Biology

Background:

  • Testosterone, the primary male hormone, is linked to diverse behavioral traits.
  • Understanding testosterone's influence on temperament is crucial for behavioral science.

Purpose of the Study:

  • To investigate associations between testosterone levels (total and free) and temperament traits.
  • To examine these associations longitudinally in a population-based sample of Finnish men.

Main Methods:

  • Assessed total testosterone, free testosterone, and sex hormone binding globulin.
  • Utilized the Temperament and Character Inventory to measure novelty seeking, harm avoidance, reward dependence, and persistence.
  • Employed longitudinal within-person analysis over a 6-year period.

Main Results:

  • Higher total and free testosterone levels were significantly associated with increased novelty seeking.
  • Longitudinal analysis indicated this association is not due to stable individual differences.
  • Within-individual testosterone variations correlated with higher reward dependence.

Conclusions:

  • Testosterone levels demonstrate stable and time-varying associations with human temperament.
  • Findings support a role for testosterone in shaping specific personality dimensions like novelty seeking and reward dependence.