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US 12,738,275 B2Granted
Method of contextual speech decoding from the brain
AssigneeThe Regents of the University of California
InventorsEdward F. Chang, David A. Moses
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Abstract
Provided are methods of contextual decoding and/or speech decoding from the brain of a subject. The methods include decoding neural or optical signals from the cortical region of an individual, extracting context-related features and/or speech-related features from the neural or optical signals, and decoding the context-related features and/or speech-related features from the neural or optical signals. Contextual decoding and speech decoding systems and devices for practicing the subject methods are also provided.
Claims24
A method of decoding events, the method comprising:
- receiving, via a neural recording device, a plurality of signals from the brain of an individual;
- processing the plurality of signals to detect an event associated with the individual's attempt or act of performing an action;
- extracting one or more context-related features from a time window of the plurality of signals from the brain of the individual preceding, during, or following the event using an artificial neural network having two or more layers,
- wherein the artificial neural network has been trained on context perception data to identify spatiotemporal neural patterns associated with context-related features;
- and
- decoding, using the one or more context-related features, the event from the plurality of signals.
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Dependencies are inferred from the claim text.