Is There a Jealousy Gene in Humans?

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Discussion Overview

The discussion centers on the existence of a "jealousy gene" in humans, exploring the genetic, environmental, and neurological factors that may contribute to feelings of jealousy. Participants examine the complexity of personality traits and the potential interplay between genetics and environment.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Exploratory

Main Points Raised

  • Joan John questions whether a specific gene for jealousy exists and suggests that genes may be activated at different times during evolution.
  • Another participant proposes that while jealousy may not be solely generated by environmental factors, its origins are complex and not fully understood.
  • One participant notes that no definitive genes for jealousy have been identified, although some may correlate with it. They mention brain activity associated with jealousy and the brain's adaptability to emotional experiences.
  • A different viewpoint suggests that jealousy is likely influenced by a multitude of genes related to broader personality traits, which are also shaped by environmental factors and personal experiences.

Areas of Agreement / Disagreement

Participants express differing views on the existence of a specific jealousy gene, with some suggesting a multifactorial genetic basis and others emphasizing the role of environmental influences. The discussion remains unresolved regarding the precise nature of jealousy and its origins.

Contextual Notes

Limitations include the lack of consensus on the identification of genes related to jealousy and the complexity of defining the interaction between genetics and environmental factors in shaping emotional responses.

Jekertee
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Is there a gene for jealousy in human beings ? If no, why can a gene be on in some time during the course of evolution ?

Thanks
Joan John
 
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Okay right after I posted the second question I think it's due to environment but jealousy isn't generated by surroundings, is it ?
 
If there are genes "for jealousy", no one's found them yet, and no one can prove conclusively that they have found all of them, even if they've found some which are correlated with jealousy.

What I can tell you is this. There are areas of your brain that light up under MRI when you feel jealous. If you have a hole drilled in your head that takes out this part of your brain, you will probably stop feeling jealous; in fact, you will probably also stop feeling lots of other emotions that deal with social interactions and desire. Now, since the brain is an organ which constantly adapts to its surroundings, every time you feel jealousy, your brain is adapting to the way you react, and this could change the way you react to jealousy in general in the future. Exactly what changes would occur, I don't know, and wouldn't be able to predict. I think that's essentially the state of the field.
 
I imagine that personality is an extremely complex multifactorial set of traits; in other words, there's no "gene" for jealousy, but rather, a whole set of genes that are responsible for general personality and behavior. Then, you have to keep in mind that personality is also extremely variable based on environment and how the brain circuitry is "molded" by experience.
 

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