Grandfather

Until now, science believed that people synchronized their heart rates due to the emotions that they generated to hear the same story, but a recent study indicated another explanation. According to him paper Conscious processing of narrative stimulus synchronizes the heart rate of individuals, It is because we dedicate our attention to history and it generates a state of alert in us.

The experiment

To reach this conclusion, the team exposed 94 people to audio and video while monitoring their heart with EKGs. The group that listened to part of the audiobook 20,000 Leagues Under the Sea showed changes in his heart rate, which also coincided with each other. This was expected to occur because of the emotions that hearing an impressive story can trigger, so the results were not surprising.

But the group that had to watch instructional videos, type tutorials, also showed changes and timing in your heart rate, which ruled out the hypothesis of emotions. Furthermore, the participants were asked to relate what they had seen in reverse order, that is, from end to beginning, and their rhythm was normalized. The latter ends up discarding the hypothesis of emotions, since if it were the case they would also feel them and would be altered when repeating the story.

Grandfather

The explanation

For him doctor Lucas Parra, scientific part of the study, has to do with attention. “We think it’s because you have to be ready to act, on the spot. And for that, you need to know what is happening around you. In other words, you need to be aware of what is going on. Even if it’s just a story », explained.

Neuroscientist Jacobo Sitt insists on the relevance of attention to this discovery: “The important thing is that the auditor is attentive to the actions of the story. It is not about emotions, but about being immersed and attentive, and thinking about what will happen next. Your heart responds to those signals from the brain ». So the next time you listen to an audiobook or radio play, even a song, remember that your heartbeat will be in sync with all other listeners.

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