The targeted use of ultrasound technology can bring about significant changes in brain function that could pave the way towards treatment of conditions such as depression, addiction, or anxiety, a new study suggests.
Research by neuroscientists at the University of Plymouth explored the impacts of an emerging technique called transcranial ultrasound stimulation .
Writing in Nature Communications, the research team say a study involving 24 healthy adults showed that TUS can induce significant changes in GABA concentration within the brain's posterior cingulate cortex in the hour following ultrasound treatment. The research team – which also included experts from the University Hospitals Plymouth NHS Trust, University College London, Radboud University Nijmegen, and University of Oxford – say the study represents an important first step in the generation of clinical applications that could use ultrasound to treat mental health disorders.
One of the long-term aspirations of neuroscientists is to find ways to change activity in only certain parts of the brain while leaving the rest unchanged. If you are taking medication for depression, for example, the drug will impact the entire brain and clinicians have very limited control over where the drug goes and what it does. We already know that specific regions of the brain are dysfunctional in certain conditions but other regions can work perfectly well.
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