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Patterned wireless transcranial optogenetics generates artificial perception
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AI
DOI：10.1038/s41593-025-02127-6.png)
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Abstract
En 中文
Synthesizing perceivable artificial neural inputs independent of typical sensory channels remains a fundamental challenge in developing next-generation brain−machine interfaces. Establishing a minimally invasive, wirelessly effective and miniaturized platform with long-term stability is crucial for creating research methods and clinically meaningful biointerfaces capable of mediating artificial perceptual feedback. Here we demonstrate a miniaturized, fully implantable transcranial optogenetic neural stimulator designed to generate artificial perceptions by patterning large cortical ensembles wirelessly in real time. Experimentally validated numerical simulations characterized light and heat propagation, whereas neuronal responses were assessed by in vivo electrophysiology and molecular methods. Cue discrimination during operant learning demonstrated the wireless genesis of artificial percepts sensed by mice, where spatial distance across large cortical networks and sequential order-based analyses of discrimination predicted performance. These conceptual and technical advances expand understanding of artificially patterned neural activity and its perception by the brain to guide the evolution of next-generation all-optical brain−machine communication. This work presents a fully implantable wireless optogenetic device that delivers spatiotemporally patterned cortical stimulation through the skull and generates artificial perception in mice.
Keywords:
optogenetics
wireless stimulation
artificial perception
brain-machine interface
cortical ensembles
Journal
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20
Papers:
645
Citations:
7.1W
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Optogenetic stimulation probes with single-neuron resolution based on organic LEDs monolithically integrated on CMOS.png)
NATURE ELECTRONICS
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NATURE ELECTRONICSIF40.9
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