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How do human and dog interactions affect the brain?

2024-09-11
(Press-News.org) During social interactions, the activity of the brain’s neurons becomes synchronized between the individuals involved. New research published in Advanced Science reveals that such synchronization occurs between humans and dogs, with mutual gazing causing synchronization in the brain’s frontal region and petting causing synchronization in the parietal region. Both regions are associated with attention.

The strength of this synchronization increased with growing familiarity of human–dog pairs over 5 days, and tests indicated that the human is the leader while the dog is the follower during human–dog interactions.

Dogs with certain genetic mutations that cause them to have social impairment symptoms characteristic of autism spectrum disorder showed a loss of this synchronization, as well as reduced attention during human–dog interactions. These abnormalities were reversed by a single treatment with the psychedelic LSD.

“There are two implications of the present study: one is that the disrupted inter-brain synchronization might be used as a biomarker for autism, and the other is LSD or its derivatives might ameliorate the social symptoms of autism,” said corresponding author Yong Q. Zhang, PhD, of the Chinese Academy of Sciences, in Beijing.

URL upon publication: https://onlinelibrary.wiley.com/doi/10.1002/advs.202402493

 

Additional Information
NOTE: The information contained in this release is protected by copyright. Please include journal attribution in all coverage. For more information or to obtain a PDF of any study, please contact: Sara Henning-Stout, newsroom@wiley.com.

About the Journal
Advanced Science, part of the prestigious Wiley Advanced portfolio, is an open access interdisciplinary science journal publishing the best-in-class fundamental and applied research in materials science, physics, chemistry, medical and life sciences, and engineering. Our mission is to give top science the maximum accessibility through open access publishing.

About Wiley
Wiley is a knowledge company and a global leader in research, publishing, and knowledge solutions. Dedicated to the creation and application of knowledge, Wiley serves the world’s researchers, learners, innovators, and leaders, helping them achieve their goals and solve the world's most important challenges. For more than two centuries, Wiley has been delivering on its timeless mission to unlock human potential. Visit us at Wiley.com. Follow us on Facebook, X, LinkedIn and Instagram.

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[Press-News.org] How do human and dog interactions affect the brain?