What This Video Will Do to Your Friends' Brains | Summary and Q&A

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February 2, 2018
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What This Video Will Do to Your Friends' Brains

TL;DR

Your brain activity while watching videos might be influenced by the people you are friends with.

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Questions & Answers

Q: How does the study determine similarities in brain activity among friends?

The study used fMRI scans to analyze brain activity while participants watched videos of different genres. The closer the social connection, the more similar the brain scans were.

Q: Is it a cause or effect that friends' brain activity is similar?

It is unclear whether similarities in brain activity cause individuals to become friends or if friendships lead to the development of similar perspectives. Further research is needed to determine the cause.

Q: Can we predict friendship connections based on brain scans?

Yes, the researchers were able to accurately predict friendship connections based on the similarities in brain scans.

Q: Can we change mosquitoes' preferences by swatting at them?

Yes, in an experiment, mosquitoes were trained to associate the smell of humans with negative stimuli, which made them avoid human scent. Swatting at them could help them associate your smell with something they want to avoid.

Q: What role does dopamine play in mosquito behavior?

Dopamine is a signaling molecule that controls the feeling of reward in mosquitoes. Mosquitoes that received extra dopamine showed higher levels of brain activity in response to smells, indicating its importance in their learning process.

Summary & Key Takeaways

  • New research suggests that similarities in brain activity can be found among friends.

  • In a study, researchers mapped out the social network of a group and analyzed brain scans while participants watched videos.

  • The study found that closer social connections correlated with more similar brain scans.

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