{"id":596666,"date":"2025-07-05T06:39:58","date_gmt":"2025-07-05T12:39:58","guid":{"rendered":"https:\/\/cerebrodigital.net\/?p=596666"},"modified":"2026-03-03T06:49:13","modified_gmt":"2026-03-03T12:49:13","slug":"scientists-successfully-connect-three-peoples-brains-to-share-thoughts","status":"publish","type":"post","link":"https:\/\/cerebrodigital.net\/en\/scientists-successfully-connect-three-peoples-brains-to-share-thoughts\/","title":{"rendered":"Scientists Successfully Connect Three People’s Brains to Share Thoughts"},"content":{"rendered":"\n

Neuroscientists achieved a sci-fi breakthrough: linking three human brains, enabling real-time thought-sharing and task collaboration. Though rudimentary\/experimental, this multiperson brain interface marks a milestone potentially revolutionizing human communication.<\/p>\n\n\n\n

BrainNet: The “Social Network” of Brains<\/h2>\n\n\n\n
\"Cient\u00edficos
Brain-to-brain (B2B) communication system overview.<\/strong><\/figcaption><\/figure>\n\n\n\n

BrainNet<\/strong>\u2014developed by University of Washington\/Carnegie Mellon researchers\u2014is the first noninvasive direct brain-to-brain interface<\/strong> for >2 people. Initial goal: mentally collaborate on Tetris<\/a>-style game.<\/p>\n\n\n\n

Combines EEG<\/strong> (records brain electrical activity) + TMS<\/strong> (magnetic fields stimulate brain areas). Enables direct info exchange sans verbal language, screens, keyboards.<\/p>\n\n\n\n

Three subjects: two “senders”<\/strong> (EEG electrodes), one “receiver”<\/strong> (TMS device). Senders decided if falling block needed rotation via blinking LEDs (15\/17 Hz frequencies creating distinct EEG signals).<\/p>\n\n\n\n

Decision transmitted to receiver’s brain via magnetic stimulation, producing phosphenes<\/strong> (illusory light flashes). Phosphene signaled “rotate block.” Purely brain signals\u2014no words.<\/p>\n\n\n\n

Five groups achieved 81.25% average accuracy<\/strong>\u2014impressive for 1-bit-at-a-time system.<\/p>\n\n\n\n

Future of Human Interaction?<\/h2>\n\n\n\n
\"Cient\u00edficos<\/figure>\n\n\n\n

BrainNet slow\/controlled, yet researchers see transformative communication potential.<\/p>\n\n\n\n

Striking: after rounds, receivers discerned more reliable sender via brain signals alone. Nonverbal reliability assessment opens collaborative systems with joint cerebral\u2014not individual\/hierarchical\u2014decisions.<\/p>\n\n\n\n

Prior work linked two brains for 20 Questions via binary phosphene “yes\/no.” Steady progress toward minds interlinked<\/a> as neurological “social network” nodes.<\/p>\n\n\n\n

Researchers’ arXiv preprint: “Results suggest future brain-to-brain interfaces enabling cooperative human problem-solving via connected brain network.”<\/p>\n\n\n\n

Thought-sharing sans speech\u2014long sci-fi trope\u2014now functional, if limited.<\/p>\n\n\n\n

Ethical\/Scientific Implications<\/h2>\n\n\n\n

BrainNet raises profound ethics\/philosophy: mental privacy with direct thought access? Manipulation\/memory implantation? Individual identity fusion in mass connections?<\/p>\n\n\n\n

Current system handles simple binaries\u2014not complex “mind reading.” But advancing AI\/neuronal interfaces may lift limits.<\/p>\n\n\n\n

“Brain summing” promises medicine, education, global problem-solving: fluid mental teams sans misunderstandings, faster collective decisions.<\/p>\n\n\n\n

Three-brain BrainNet success\u00a0pioneers telepathy from fantasy to science\u2014nascent but real. Each transmitted cerebral bit expands communication beyond language, distance, time: thought-based social network emerging.<\/em><\/strong><\/p>\n\n\n\n

Reference:<\/p>\n\n\n\n