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What hormone controls jealousy?


Jealousy is a complex emotion that can arise in various social contexts, such as romantic relationships, friendships, or even professional settings. It is often accompanied by feelings of insecurity, possessiveness, and fear of losing someone or something important to us. While jealousy is primarily considered as an emotional response, recent research suggests that there may be a hormonal basis underlying this powerful emotion. In particular, plasma testosterone and cortisol concentrations have been found to play a role in the experience of jealousy. Understanding the hormonal control of jealousy can provide valuable insights into the mechanisms at play and help shed light on the complexities of human emotions and behavior.

Overview of Hormones Involved in Jealousy

Before delving into the specific role of testosterone and cortisol in jealousy, it is important to have a basic understanding of these hormones and their functions.

Testosterone

Testosterone is a hormone primarily associated with male sexual development and reproductive functions. However, it also plays a role in aggression, competitiveness, and mate competition. In males, higher testosterone levels have been linked to increased aggressive behavior and a desire to assert dominance over others. In the context of jealousy, testosterone has been suggested to contribute to feelings of possessiveness and a need to protect one’s perceived mate from potential rivals.

Cortisol

Cortisol, often referred to as the “stress hormone,” is produced by the adrenal glands in response to stress. It helps regulate various bodily functions, including metabolism, immune response, and blood pressure. Cortisol is known to increase during periods of heightened stress and is associated with the body’s fight-or-flight response. In the context of jealousy, cortisol may be linked to the physiological stress response triggered by feelings of jealousy and the fear of losing a valued relationship.

Studies on the Role of Testosterone in Jealousy

To investigate the relationship between testosterone and jealousy, several studies have been conducted. One such study involved measuring plasma testosterone levels in individuals experiencing jealousy. The results showed that during the jealousy condition, participants had higher testosterone concentrations compared to baseline levels. This suggests that testosterone may play a role in the emotional and physiological response to jealousy.

Another study explored the duration of time spent looking at the participant’s partner next to a stranger of the opposite sex and its association with plasma cortisol concentrations. The findings revealed that individuals who spent more time looking at their partner next to a stranger male had higher cortisol concentrations. This indicates that cortisol may be involved in the stress response aroused by jealousy and the perceived threat to the relationship.

Studies on the Role of Cortisol in Jealousy

Similarly, studies have focused on the role of cortisol in jealousy. One study examined the cortisol levels of individuals during a jealousy condition, where participants were exposed to scenarios designed to elicit jealousy. The findings showed that cortisol concentrations were significantly higher during the jealousy condition compared to baseline levels. This suggests that cortisol may be involved in the physiological response to jealousy, potentially amplifying the emotional and behavioral reactions associated with this complex emotion.

Another study investigated cortisol levels in individuals experiencing jealousy in a real-life setting, specifically within the context of romantic relationships. The results revealed that couples who reported higher levels of jealousy had higher cortisol concentrations compared to couples who reported lower levels of jealousy. This suggests that cortisol may play a role in the ongoing experience of jealousy within intimate relationships.

Interaction Between Testosterone and Cortisol in Jealousy

Jealousy is a multidimensional emotion that involves both emotional and physiological responses. As such, it is essential to understand how different hormones interact to influence the experience of jealousy. Several studies have explored the interaction between testosterone and cortisol in the context of jealousy.

One study examined the relationship between testosterone and cortisol during a jealousy condition. The findings showed a positive correlation between the duration of time spent looking at the partner next to a stranger male and cortisol concentrations, but not with testosterone levels. This suggests that cortisol may play a more significant role in the stress response associated with jealousy, while testosterone may be more closely related to feelings of possessiveness and mate competition.

Another study investigated the impact of testosterone and cortisol on jealousy in women. The results showed that higher cortisol levels were associated with higher levels of jealousy, but testosterone did not have a significant impact. This indicates that cortisol may be a stronger predictor of jealousy in women, highlighting the importance of individual differences in hormonal responses.

Implications of Hormonal Control of Jealousy

Understanding the hormonal basis of jealousy can have several implications in various areas, including psychology, relationship dynamics, and therapeutic interventions. By identifying the specific hormones involved, researchers can gain insights into the underlying mechanisms that drive jealousy and develop a more comprehensive understanding of human emotions and behavior.

On an interpersonal level, the findings suggest that hormonal imbalances or dysregulation may contribute to heightened levels of jealousy in individuals. This understanding may help couples and individuals recognize the physiological basis of their jealousy and seek appropriate support or interventions to manage these emotions effectively.

Additionally, the findings have implications for therapeutic interventions targeting jealousy. By addressing hormonal imbalances through techniques such as hormone regulation or stress management strategies, therapists may be able to help individuals cope with jealousy in a more constructive and healthy manner.

Conclusion

Jealousy is a complex emotion that can have immense implications for individuals and their relationships. Recent research has shed light on the role of hormones, specifically testosterone and cortisol, in influencing the experience of jealousy. Testosterone has been associated with feelings of possessiveness and competitiveness, while cortisol is involved in the stress response triggered by jealousy. Understanding the hormonal control of jealousy provides valuable insights into the underlying mechanisms and can pave the way for future research and interventions aimed at managing and understanding this powerful emotion.

Resources

  1. Imaging, Behavior and Endocrine Analysis of “Jealousy” in …
  2. ‘Love Hormone’ May Trigger Jealousy, Too – ABC News
  3. Jealousy in women with migraine: a cross-sectional case …
  4. What hormone causes jealousy?
  5. Differential Effects of Jealousy on Testosterone