Neuron signal analysis system and method
First Claim
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1. A system for positioning a microelectrode within a tissue, the system comprising:
- a microelectrode for collecting electrical signals;
a computer readable medium having;
distribution logic that causes a computer to generate a statistical distribution of the electrical signals; and
identification logic that that causes a computer to identify whether the statistical distribution resembles a noise distribution without neuronal discharge; and
a position controller for controlling the position of microelectrode, the position controller moving or not moving the microelectrode based on the identification of whether the statistical distribution resembles a noise distribution without neuronal discharge.
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Abstract
Electrical signal data from a target location are recorded and collected. A signal analyzer analyzes the signal data and determines whether characteristics of the signal data resemble noise data or whether a departure from noise is present. If the characteristics show a departure from noise, neuronal activity at the target location is indicated.
54 Citations
44 Claims
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1. A system for positioning a microelectrode within a tissue, the system comprising:
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a microelectrode for collecting electrical signals; a computer readable medium having; distribution logic that causes a computer to generate a statistical distribution of the electrical signals; and identification logic that that causes a computer to identify whether the statistical distribution resembles a noise distribution without neuronal discharge; and a position controller for controlling the position of microelectrode, the position controller moving or not moving the microelectrode based on the identification of whether the statistical distribution resembles a noise distribution without neuronal discharge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A software product for analyzing electrical signal data collected from within tissue, the software product comprising:
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a computer readable medium including; logic that causes a computer to obtain electrical signal data from an microelectrode configured to be positioned within tissue; first computer executable instructions that cause a computer to generate a statistical distribution of the electrical signal data where the statistical distribution has a first shape which represents noise signal data without neuronal activity or a second shape that represents noise data with neuronal activity; and second computer executable instructions that cause a computer to analyze the statistical distribution and indicate whether neuronal activity is present in the electrical signal data based on the shape of the statistical distribution. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A method of determining a nerve discharge from a plurality of electrical signals, the method comprising the steps of:
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obtaining a plurality of electrical signals via a microelectrode positioned within tissue and providing a computer to; statistically analyze at least one characteristic of the plurality of electrical signals and generate a distribution curve from the at least one characteristic; determine a statistical characteristic of the distribution curve; determine whether at least one nerve discharge signal occurs within the plurality of electrical signals based on the statistical characteristic of the distribution curve; and determine whether noise data with no neuronal discharge signal occurs within the plurality of electrical signals based on the statistical characteristic of the distribution curve; and provide an output indicative of whether at least one nerve discharge signal occurs or whether no neuronal discharge signal occurs. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A device for analyzing electrical signal data collected from tissue, the device comprising:
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a microelectrode adapted to be positioned in a tissue for collecting electrical signal data; computer readable medium containing first computer executable instructions that cause a computer to generate a statistical distribution of the electrical signal data wherein the statistical distribution is one selected from a first shape which represents noise signal data without neuronal activity and a second shape that represents noise signal data with neuronal activity; computer readable medium containing second computer executable instructions that cause a computer to analyze the statistical distribution and indicate whether neuronal activity is present in the electrical signal data based on the shape of the statistical distribution; and an indicator for controlling the position of the microelectrode, the indicator issuing commands for moving or not moving the microelectrode based on the shape of the statistical distribution. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36)
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37. A method of determining one or more nerve discharge signals from a plurality of electrical signals, the method comprising the steps of:
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obtaining a plurality of electrical signals from a microelectrode positioned within tissue and providing computer to; statistically analyze at least one characteristic of the plurality of electrical signals and generating a distribution curve from at least one characteristic; determine a statistical characteristic of the distribution curve; determine whether at least one nerve discharge signals occurs within the plurality of electrical signals based on the statistical characteristic of the distribution curve; determine whether no neuronal discharge signal occurs within the plurality of electrical signals based on the statistical characteristic of the distribution curve; and provide an output indicative of whether at least one nerve discharge signal occurs or whether no neuronal discharge signal occurs. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44)
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Specification