Science, Space and Technology News 2024
Scientists have developed a non-invasive brain stimulation method, Patterned Low-Intensity Low-Frequency Ultrasound , which can precisely modulate brain function and induce lasting changes. This breakthrough overcomes the limitations of traditional stimulation methods and shows potential for treating neurological disorders, improving motor skills, and possibly aiding in rehabilitation therapies.
Traditionally, magnetic and electrical brain stimulation methods have been used to modulate brain function. However, these methods come with inherent limitations that restrict their spatial resolution and penetration depth, making it challenging to precisely stimulate specific brain regions with optimal efficacy.
The researchers discovered that ultrasound stimulation can modulate neural plasticity – the brain’s ability to rewire itself – through the activation of key molecular pathways. Specifically, the study pinpointed the ultrasound’s effect on mechanosensitive calcium channels in astrocytes, which controls the cells’ ability to uptake calcium and release neurotransmitters.
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