Method and system for predicting human cognitive performance
First Claim
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1. A method for determining a predicted cognitive performance level comprising:
- a. inputting a data series having wake states and sleep states of an individual, b. selecting a function based on the wake states and sleep states in the data series, c. calculating a cognitive performance capacity based on the selected function, d. modulating the cognitive performance capacity with a time of day value, e. outputting the modulated value as the predicted cognitive performance, and when a piece of data within the data series is inconclusive, then selecting at least two functions, determining a cognitive performance capacity using each function, modulating each cognitive performance capacity with a time of day value, providing each modulated value, and repeating the steps a through e for each modulated value at least once.
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Abstract
An apparatus and method for predicting cognitive performance of an individual based on factors including sleep history and the time of day. The method facilitates the creation of predicted cognitive performance curves that allow an individual to set his/her sleep times to produce higher levels of cognitive performance. The method also facilitates the reconstruction of past cognitive performance levels based on sleep history.
96 Citations
51 Claims
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1. A method for determining a predicted cognitive performance level comprising:
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a. inputting a data series having wake states and sleep states of an individual, b. selecting a function based on the wake states and sleep states in the data series, c. calculating a cognitive performance capacity based on the selected function, d. modulating the cognitive performance capacity with a time of day value, e. outputting the modulated value as the predicted cognitive performance, and when a piece of data within the data series is inconclusive, then selecting at least two functions, determining a cognitive performance capacity using each function, modulating each cognitive performance capacity with a time of day value, providing each modulated value, and repeating the steps a through e for each modulated value at least once. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
storing the modulated values, repeating steps b through e, plotting a curve from the stored modulated values, and outputting the curve representing cognitive performance level over time.
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3. The method according to claim 2, wherein the data series includes past information such that the curve is used to determine the cognitive level of an individual at an earlier time.
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4. The method according to claim 2, further comprising extrapolating from the curve a predictive curve based on anticipated wake states and anticipated sleep states.
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5. The method according to claim 1, wherein said outputting step includes outputting the predicted cognitive performance to a display.
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6. The method according to claim 1, wherein said outputting step includes outputting the predicted cognitive performance to a data file.
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7. The method according to claim 1, wherein said outputting step includes outputting the predicted cognitive performance to a printing device.
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8. The method according to claim 1, further comprising formulating the time of day values to represent a curve having a period of 24 hours.
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9. The method according to claim 8, wherein the curve includes a first sinusoidal curve having a 24-hour period and a second sinusoidal curve having a 12-hour period.
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10. The method according to claim 1, wherein the time of day values represent a curve having a period of 24 hours.
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11. The method according to claim 10, wherein the curve includes a first sinusoidal curve having a 24-hour period and a second sinusoidal curve having a 12-hour period.
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12. The method according to claim 1, wherein the data series is obtained from a device adapted to be attached to the individual.
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13. The method according to claim 1, wherein the data series is an output of a sleep scoring system.
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14. The method according to claim 1, wherein step a includes selecting from a group consisting of a wake function, a sleep function, a delay function, and a sleep inertia function.
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15. The method according to claim 1, wherein step a includes selecting from a group consisting of a wake function, a sleep function, and a sleep inertia function.
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16. The method according to claim 1, wherein step a includes
determining a present state for the data series as either a wake state or a sleep state, calculating a length of time in the present state, and selecting the function based on the length of time in the present state and the present state. -
17. The method according to claim 16, wherein the selecting the function step selects from a group consisting of a wake function, a sleep function, a delay function, and a sleep inertia function.
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18. The method according to claim 1, wherein when another inconclusive piece of data is found, then the selecting a function includes determining the two functions that would provide the lowest cognitive performance capacity and the highest cognitive performance capacity among the combinations of cognitive performance capacities resulting from the inconclusive pieces of data.
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19. The method according to claim 1, wherein the first calculating step calculates a cognitive performance level as a percentage value such that 100% is a maximum cognitive performance capacity.
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20. The method according to claim 1, wherein said method is performed in real-time.
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21. A computer data signal embodied in a carrier wave readable by a computing system and encoding a computer program of instructions for executing a computer process performing a method for determining a cognitive performance level comprising:
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inputting a data series having wake states and sleep states of an individual, selecting a function based on the wake states and sleep states in the data series, calculating a cognitive performance capacity based on the selected function, modulating the cognitive performance capacity with a time of day value, and outputting the modulated value as the predicted cognitive performance.
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22. A computer-readable medium having computer-executable instructions for a method for determining a cognitive performance level comprising:
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inputting a data series having wake states and sleep states of an individual, selecting a function based on the wake states and sleep states in the data series, calculating a cognitive performance capacity based on the selected function, modulating the cognitive performance capacity with a time of day value, and outputting the modulated value as the predicted cognitive performance.
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23. A method for determining a predicted cognitive performance comprising:
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inputting a data series having wake states and sleep states of an individual, selecting a function based on the wake states and sleep states in the data series, calculating a cognitive performance capacity based on the selected function, approximating a first curve of calculated cognitive performance capacities, modulating the first curve with a second curve representing time of day rhythms, and outputting the modulated first curve representing the predicted cognitive performance; and
wherein the data series includes past wake states and past sleep states such that the modulated first curve is used to determine the cognitive level of an individual at an earlier time. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
determining a present state for the data series as either the wake state or the sleep state, calculating a length of time in the present state, and selecting the function based on the length of time in the present state and the present state.
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34. The method according to claim 33, wherein the selecting the function step selects from a group consisting of a wake function, a sleep function, a delay function, and a sleep inertia function.
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35. The method according to claim 23, wherein the calculating step includes calculating a cognitive performance level as a percentage value such that 100% is a maximum cognitive performance capacity.
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36. The method according to claim 23, wherein said method operates in real-time.
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37. A computer data signal embodied in a carrier wave readable by a computing system and encoding a computer program of instructions for executing a computer process performing a method for determining a predicted cognitive performance comprising:
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inputting a data series having wake states and sleep states of an individual, selecting a function based on the wake states and sleep states in the data series, calculating a cognitive performance capacity based on the selected function, approximating a first curve of calculated-cognitive performance capacities, modulating the first curve with a second curve representing time of day rhythms, and outputting the modulated first curve representing the predicted cognitive performance.
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38. A computer-readable medium having computer-executable instructions for a method for determining a predicted cognitive performance comprising:
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inputting a data series having wake states and sleep states of an individual, selecting a function based on the wake states and sleep states in the data series, calculating a cognitive performance capacity based on the selected function, approximating a first curve of calculated cognitive performance capacities, modulating the first curve with a second curve representing time of day rhythms, and outputting the modulated first curve representing the predicted cognitive performance.
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39. An apparatus comprising:
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input means for receiving data, interpretation means for analyzing the received data and selecting a calculation function based on the composition of the received data, determination means for calculating a cognitive performance capacity using the selected calculation function, storing means for storing modulation data, and modulating means for modulating the cognitive performance capacity with modulation data to produce a predicted cognitive performance. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. A computer readable material having program code embodied therein for generating a predictive cognitive performance level measure based on a sleep/wake history of an individual, said material comprising:
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means for analyzing sleep/wake input data and selecting a function based on the analysis, means for calculating a cognitive performance capacity based on the sleep/wake input data and the selected function, means for modifying the calculated cognitive performance capacity based on stored data, and means for outputting the modified cognitive performance capacity as a predicted cognitive performance level. - View Dependent Claims (51)
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Specification