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Korea Advanced Institute of Science and Technology Researchers have invented a smartphone-controlled soft brain implant that can be recharged wirelessly from outside the body. It enables long-term neural circuit manipulation without the need for periodic disruptive surgeries to replace the battery of the implant. Scientists believe this technology can help uncover and treat psychiatric disorders and neurodegenerative diseases such as addiction, depression, and Parkinson’s. A group of KAIST researchers and collaborators have engineered a tiny brain implant that can be wirelessly recharged from outside the body to control brain circuits for long periods of time without battery replacement. The device is constructed of ultra-soft and bio-compliant polymers to help provide long-term compatibility with tissue. Geared with micrometer-sized LEDs (equivalent to the size of a grain of salt) mounted on ultrathin probes (the thickness of a human hair), it can wirelessly manipulate target ne

South koreaJae woong jeongJeong kuChoong yeon kimJeong hoon kimNature communicationsNational research foundation of koreaYonsei university college of medicineGlobal singularity research programKorea advanced institute of scienceAdvanced instituteProfessor jae woong jeongManipulating brain cellsYonsei universityNational research foundationSingularity research