Scientists from Bengaluru’s Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) have developed a unique stress-detectable wearable device.
The said device is built with a silver wire network on a stretchable material to sense strain and mimic pain perception. The technology used will allow the device to adapt its electrical response based on the strain, similar to how our bodies respond to repeated pain over time.
"Each time it is stretched and reconnected, the device gradually adjusts its response, much like how our bodies adapt to repeated pain over time. This dynamic process enables the device to mimic memory and adaptation, bringing humans closer to materials that respond intelligently to their environment," the research team said in a published paper in the journal Materials Horizons, Royal Society of Chemistry (RSC).
The team explained that small gaps will appear within the silver network when the material gets stretched to temporarily break the electrical pathway. To reconnect, an electric pulse is provided, which fills the gaps, and 'remembers' the event.
"These pain-like responses in the device pave the way for future smart wearable systems that can help doctors detect stress," the researchers added.
This super technology enables the device to mimic memory and adaptation, bringing human users in proximity to materials that respond intelligently to their environment.
As published in the journal Materials Horizons, Royal Society of Chemistry (RSC), “the incorporation of sensory hardware holds exceptional utility in human-machine interfacing”.
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Key Features of the device are:
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It is a neuromorphic device inspired by the human nervous system to mimic the functions of neurons and synapses
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The device can give an adaptive response by sensing strain and adjusting its response. It can essentially "remember" the event each time it is stretched and reconnected.
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This technology could be used in advanced health monitoring systems to provide real-time feedback to doctors or users. Further, it has the potential to improve robotic systems making them safer and more intuitive.
This innovation is a big leap in wearable technology with possibilities for health monitoring and human-machine interactions
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