The probes have been tested on mice and found to cause minimal inflammation.
Really small, flexible probes that can fit in between vertebrae
The probe is ideal for long-term use as it is more compatible with biological tissue and, therefore, less prone to triggering an immune response. This is not the first ultra-thin, flexible probe ever created. But it is unique in that it can both record the electrical activity of neurons and stimulate specific sets of neurons using light.
The researchers experimented with implanting the probes in the brains of live mice for up to one month and found that they caused hardly any inflammation in the brain tissue after even a long-term presence.The team also found that the probes could successfully record electrical activity from neurons with high sensitivity and could even be used to target specific neuron types to engender certain physical reactions.
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