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Entrainment of prefrontal theta synchrony increases interbrain coupling and enhances social interaction in mouse models of autism

هم‌زمان‌سازی ریتم تتا در قشر پیش‌پیشانی موجب افزایش هم‌جفتی بین‌مغزی و بهبود تعامل اجتماعی در مدل‌های موشی اوتیسم می‌شود

Eunkyu Hwang, Soogeun Shin, Anjin Lee, Woohyun Kim, Hyung-Geun Yoon, Younghoon Kwon, Dongseok Seo, Dohoung Kim, Eunjoon Kim, Eunee Lee

Nature Communications 2026 Vol. 17(1), pp. 11087
https://doi.org/10.1038/s41467-026-77939-6

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چکیده

Social interaction requires the integration of information about self, other, and shared context. One of the proposed mechanisms supporting this coordination is interbrain synchrony – correlated neural activity between interacting individuals – yet its role in shaping social behavior remains unresolved. Here, we show that theta band synchrony in the medial prefrontal cortex (mPFC) is closely linked to social interaction in mice and often precedes its onset. In male Shank2 mutant mice, a genetic model of social dysfunction, mPFC interbrain synchrony was diminished, along with a reduced population of mPFC neurons encoding multiple dimensions of social information. Optogenetic entrainment of theta synchrony was accompanied by increased interbrain coupling and social interaction in male Shank2-/- and Tbr1+/K228E mutant mice, two well-established genetic models of autism spectrum disorder (ASD). These findings identify prefrontal theta synchrony as a neural substrate that supports social behavior and provide a framework for understanding how coordinated neural activity across brains contributes to social interaction. Brain rhythms of interacting mice become synchronized, but this coordination is reduced in mouse models of autism. Here the authors show that theta-frequency stimulation is accompanied by increased interbrain synchrony and social interaction.

چکیده به فارسی

تعامل اجتماعی مستلزم ادغام اطلاعات مربوط به خود، دیگری و زمینه مشترک است. یکی از سازوکارهای پیشنهادی که از این هماهنگی حمایت می‌کند، هم‌زمانی بین‌مغزی است؛ یعنی فعالیت عصبی همبسته بین افراد در حال تعامل؛ با این حال نقش آن در شکل‌دهی رفتار اجتماعی همچنان نامشخص باقی مانده است. در این پژوهش نشان داده‌ایم که هم‌زمانی باند تتا در قشر پیش‌پیشانی میانی (mPFC) ارتباط نزدیکی با تعامل اجتماعی در موش‌ها دارد و اغلب پیش از آغاز آن رخ می‌دهد. در موش‌های نر جهش‌یافته Shank2، که یک مدل ژنتیکی برای اختلال عملکرد اجتماعی است، هم‌زمانی بین‌مغزی mPFC کاهش یافته بود و همچنین جمعیت نورون‌های mPFC که ابعاد مختلف اطلاعات اجتماعی را رمزگذاری می‌کنند، کمتر بود. هم‌زمان‌سازی اپتوژنتیکی ریتم تتا با افزایش هم‌جفتی بین‌مغزی و تعامل اجتماعی در موش‌های نر Shank2-/- و Tbr1+/K228E، دو مدل ژنتیکی معتبر برای اختلال طیف اوتیسم (ASD)، همراه بود. این یافته‌ها هم‌زمانی تتا در قشر پیش‌پیشانی را به عنوان زیرلایه عصبی حمایت‌کننده رفتار اجتماعی شناسایی می‌کند و چارچوبی برای درک چگونگی نقش فعالیت عصبی هماهنگ‌شده بین مغزها در تعامل اجتماعی فراهم می‌آورد. ریتم‌های مغزی موش‌های در حال تعامل با یکدیگر هم‌زمان می‌شود، اما این هماهنگی در مدل‌های موشی اوتیسم کاهش می‌یابد. در این پژوهش نویسندگان نشان می‌دهند که تحریک با فرکانس تتا با افزایش هم‌زمانی بین‌مغزی و تعامل اجتماعی همراه است.

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موضوع‌ها و کلیدواژه‌ها

اوتیسمAutismCoupling (piping)Entrainment (biomusicology)Interaction modelSocial relation

ارجاع

Hwang, E., Shin, S., Lee, A., Kim, W., Yoon, H.-G., Kwon, Y., Seo, D., Kim, D., Kim, E., & Lee, E. (2026). Entrainment of prefrontal theta synchrony increases interbrain coupling and enhances social interaction in mouse models of autism. Nature Communications, 17(1), 11087. https://doi.org/10.1038/s41467-026-77939-6

(Hwang et al., 2026)

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قوانین پرسش و گفتگو
  1. با احترام و بدون توهین، تحقیر، برچسب‌زنی یا حمله‌ی شخصی با دیگران گفتگو کنید.
  2. از نوشتن هرگونه اطلاعات هویتی یا قابل‌شناسایی مراجعان، بیماران یا اشخاص ثالث، از جمله نام، شماره‌ی تماس، تصویر، نشانی، محل کار یا جزئیات منحصربه‌فرد پرونده خودداری کنید.
  3. اگر درباره‌ی یک تجربه‌ی بالینی سؤال می‌کنید، اطلاعات را تا حد ممکن بی‌نام و کلی بیان کنید تا امکان شناسایی فرد وجود نداشته باشد.
  4. این بخش برای یادگیری و گفت‌وگوی علمی است و جایگزین ارزیابی، تشخیص، مشاوره یا روان‌درمانی شخصی نیست.
  5. در شرایط بحران یا خطر آسیب به خود یا دیگران، به این بخش اتکا نکنید و برای دریافت کمک فوری با اورژانس اجتماعی ۱۲۳ یا صدای مشاور بهزیستی ۱۴۸۰ تماس بگیرید.
  6. انتشار تبلیغات، معرفی خدمات شخصی، شماره‌ی تلفن، شناسه‌ی شبکه‌های اجتماعی، پیوند تبلیغاتی یا درخواست جذب مراجع در این بخش مجاز نیست.
  7. در بیان ادعاهای علمی، به‌ویژه درباره‌ی اثربخشی درمان‌ها، تشخیص یا یافته‌های پژوهشی، تا حد امکان نام منبع معتبر، مقاله یا راهنمای علمی را ذکر کنید.
  8. از ارائه‌ی تشخیص قطعی، تجویز درمان یا دارو و توصیه‌های بالینی شخصی به سایر کاربران خودداری کنید.
  9. پاسخ‌هایی که کارشناسان فکر بنیان می‌دهند با برچسب «پاسخ فکر بنیان» یا «کارشناس فکر بنیان» نمایش داده می‌شوند و سایر نوشته‌ها بیانگر نظر کاربران هستند.
  10. گزارش نوشته‌ی نامناسب: اگر نوشته‌ای حاوی نقض محرمانگی، محتوای آسیب‌زا، توهین، تبلیغ یا تخلف از این قوانین است، گزینه‌ی «گزارش» را انتخاب کنید تا تیم سایت بررسی کند.

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