Scanning method for applying ultrasonic acoustic data to the human neural cortex
First Claim
1. A method for generating perceived sensory experiences comprising:
- directing an acoustical signal toward a human neural cortex; and
remedying a sensory deficit in a human patient by scanning the acoustical signal across the human neural cortex,wherein the acoustical signal is directed as an array of points, andwherein the acoustical signal is scanned across the human neural cortex by expanding each of the points in the array of points in a circle about each point until touching a neighboring circle in the array of expanding circles.
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Abstract
A method for creating sensory experiences operates by scanning the acoustical signal across the human neural cortex to create the desired sensory perceptions. The acoustic signal is scanned in a predetermined pattern. The pattern is then modified to fill in spaces in the predetermined pattern so that over a short time period, the desired signal is scanned across the intended region of the neural cortex. In one exemplary embodiment, the pattern begins with an array of points on the cortex. Thus, an acoustic signal in an array of points is directed towards the cortex. The acoustic pattern is then shaped to expand in radius about each point. Thus, the acoustic signal scans the visual cortex in an array of expanding circles. Varying the signal at each point along the radius as it expands produces neural firing differences in the neural tissue. When the circles expand to where they begin to touch, the pattern changes to fill in the areas between the original array of points. The new circles are centered about the points between the original stimulation locations, and the acoustic signal contracts about these new centers. The signal continues to contract about the new center points. When the new circles have contracted to an array of points, the process can be repeated from the start or simply reversed. Another method operates by forming concentric circles and expanding and contracting each of the concentric circles to fill in the original spaces between the concentric circles.
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Citations
17 Claims
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1. A method for generating perceived sensory experiences comprising:
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directing an acoustical signal toward a human neural cortex; and remedying a sensory deficit in a human patient by scanning the acoustical signal across the human neural cortex, wherein the acoustical signal is directed as an array of points, and wherein the acoustical signal is scanned across the human neural cortex by expanding each of the points in the array of points in a circle about each point until touching a neighboring circle in the array of expanding circles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for generating perceived sensory experiences comprising:
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remedying a sensory deficit in the human patient by directing an acoustical signal to a human neural cortex to form a first array of a points on the visual cortex tissue; and modifying the acoustical signal to expand each of the points in the first array in a circle about each point until each of the circles touches one or more neighboring circles in the visual cortex tissue. - View Dependent Claims (10, 11, 12, 13)
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14. A method for generating perceived sensory experiences comprising:
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remedying a sensory deficit in the human patient by directing an acoustical signal to a human neural cortex to form a first array of a concentric circles on the visual cortex tissue; modifying the acoustical signal to expand each of the circles in the first array of concentric circles about its center until each of the circles achieves a size approximately that of an original neighbor concentric circle in the visual cortex tissue. - View Dependent Claims (15, 16, 17)
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Specification