Breakthrough Research Suggests Magnetic Fields Could Manipulate Human Brains
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Loading... - Mei Takehiko
- 08 Aug 2024
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A recent breakthrough study by scientists from the Institute for Basic Science (IBS) and Yonsei University in South Korea has demonstrated the potential to manipulate brain functions using magnetic fields. This pioneering research, published in Nature Nanotechnology, involved developing a device known as the Magnetogenetic Interface for NeuroDynamics (Nano-MIND), which allows specific regions of the brain, such as those controlling cognition, emotion, and motivation, to be manipulated noninvasively through magnetic fields.
The technique, called magnetogenetics, utilizes nanoparticle switches that can be activated or deactivated by magnetic fields, enabling precise control over certain brain functions. This advancement marks the first time that specific brain regions have been freely controlled using magnetic fields, opening new avenues for research in brain functions, artificial neural networks, brain-computer interfaces, and potential treatments for neurological disorders.
In their experiments, the researchers targeted the lateral hypothalamus in mice, a brain region associated with eating and reward behaviors. The study revealed that when the magnetic field was applied to excitatory neurons in this area, there was a 50% reduction in feeding behaviors. Conversely, when the same technique was applied to inhibitory neurons, feeding behaviors increased by 100%. Additionally, the magnetic fields influenced social behaviors, with mice becoming more sociable under magnetic influence.
Further tests focused on the medial preoptic area, another part of the hypothalamus linked to parental care. Mice implanted with Nano-MIND responded more attentively to the cries of mouse pups than those not under magnetic influence, demonstrating the potential for this technology to alter specific behavioral responses.
This breakthrough could have significant implications for understanding complex brain functions and addressing mental health challenges, paving the way for future research and applications in neuroscience.
