Application US20160262680

Processor Implemented Systems and Methods for Measuring Cognitive Abilities
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US20160262680

1. A computer-implemented method for assessing cognitive ability of an individual, comprising: (17) (5)

receiving, by a computer processing system, a first plurality responses by the individual to a first task, the first task including first stimuli evoking the first plurality of responses from the individual over a period of time;

receiving, by the computer processing system, a second plurality of responses by the individual to a second task, the second task including second stimuli evoking the second plurality of responses from the individual over the period of time, wherein the second stimuli are presented simultaneously with at least some of the first stimuli;

determining, by the computer processing system, that the first task and the second task are performed by the individual based on the first plurality of responses and the second plurality of responses;

computing, by the computer processing system, a cognitive measure using one or both of the first plurality of responses and the second plurality of responses; and

outputting, by the computer processing system, a cognitive assessment based on the cognitive measure.

3. The computer-implemented method of claim 1, wherein computing the cognitive measure includes determining performance measures using one or both of the first plurality of responses and the second plurality of responses. (3) (0)

4. The computer-implemented method of claim 3, wherein the performance measures are selected from the group consisting of: reaction time of responses and correctness of responses. (0)

17. The computer-implemented method of claim 3, wherein computing the cognitive measure includes comparing the performance measures to predetermined performance measures representative of individuals with known cognitive conditions. (0)

18. The computer-implemented method of claim 3, wherein computing the cognitive measure includes applying a computer data model to the performance measures. (1) (0)

5. The computer-implemented method of claim 1, wherein one or both of the first plurality of responses and the second plurality of responses are detected using one or more sensors, the sensors being selected from the group consisting of: accelerometer and gyroscope. (0)

6. The computer-implemented method of claim 1, further comprising: (3) (2)

determining performance measures using one or both of the first plurality of responses and the second plurality of responses; and

modifying, during the period of time, a difficulty level of the first task or the second task based on performance measures.

7. The computer-implemented method of claim 6, wherein the difficulty level corresponds to a game level. (0)

8. The computer implemented method of claim 6, wherein the difficulty level is selected from the group consisting of: allowable reaction time window for reacting to stimuli, navigation speed, number of obstacles, size of obstacles, frequency of turns in a navigation path, and turning radiuses of turns in a navigation path. (0)

9. The computer-implemented method of claim 6, (1) (2)

wherein the difficulty level is modified in real-time during the period of time; and

wherein the cognitive measure is computed using the difficulty level modifications made during the period of time.

10. The computer-implemented method of claim 9, further comprising: (1) (2)

12. The computer-implemented method of claim 1, further comprising: (0) (4)

modifying, during the period of time, a first difficulty level of the first task based on performance measures of one or both of the first plurality of responses and the second plurality of responses; and

modifying, during the period of time, a second difficulty level of the second task based on performance measures of one or both of the first plurality of responses and the second plurality of responses;

wherein the first difficulty level and the second difficulty level are modified in real-time during the period of time; and

wherein the cognitive measure is computed using one or both of the first difficulty level modifications and the second difficulty level modifications.

13. The computer-implemented method of claim 1, wherein the first task is a visuomotor task, the first stimuli include a navigation path, and the first plurality of responses include continuous inputs. (0)

14. The computer-implemented method of claim 1, wherein the second task is a reaction task, the second stimuli include target stimuli that require responses from the individual, and the second plurality of responses include inputs reacting to the interferences. (1) (0)

16. The computer-implemented method of claim 1, wherein computing the cognitive measure includes applying statistical analysis to one or both of the first plurality of responses and the second plurality of responses. (0)

21. The computer-implemented method of claim 1, wherein computing the cognitive measure includes computing a hit rate, false alarm rate, correct response rate, or miss rate. (0)

22. The computer-implemented method of claim 1, wherein computing the cognitive measure includes applying a signal detection technique selected from the group consisting: sensitivity index, receiver operating characteristics (ROC), and bias. (0)

23. The computer-implemented method of claim 1, wherein the cognitive measure is a composite measure computed using performance measures of the first plurality of responses to the first task and performance measures of the second plurality responses to the second task. (0)

24. The computer-implemented method of claim 1, wherein the cognitive measure is a composite measure computed using at least two types of performance measures of one of the first plurality of responses and the second plurality of responses. (0)

25. The computer-implemented method of claim 1, wherein the cognitive measure is a composite measure computed using non-performance information and performance measures of one or both of the first plurality of responses and the second plurality of responses. (1) (0)

27. The computer-implemented method of claim 1, wherein the cognitive assessment provides a diagnosis of cognitive disorder. (0)

28. The computer-implemented method of claim 1, wherein the cognitive assessment is used to monitor the individual's cognitive ability over time. (0)

29. The computer-implemented method of claim 1, wherein the cognitive assessment is used to monitor an effect of therapy on the individual's cognitive ability. (0)

30. The computer-implemented method of claim 1, wherein the second stimuli are presented at exactly the same time with at least some of the first stimuli. (0)

31. The computer-implemented method of claim 1, wherein one of the second stimuli is presented with an associated first stimuli consecutively with a slight time differential. (0)

2. A computer-implemented method for assessing cognitive ability of an individual, said method being implemented using a hand-held computing device having a display component, an input device, and a sensor, comprising: (0) (7)

presenting, by the display component, a visuomotor task to the individual over a period of time, the visuomotor task including a navigation path evoking navigation responses from the individual;

presenting, by the display component, a reaction task to the individual over the period of time, the reaction task including target stimuli evoking reaction responses from the individual and distractor stimuli that require no response from the individual, wherein the stimuli are presented simultaneously with at least some of the navigation path;

receiving the navigation responses using the sensor;

receiving the reaction responses using the input device;

determining, by the hand-held computing device, that the visuomotor task is being performed by the individual based on the navigation responses;

computing, by the hand-held computing device, a cognitive measure using the reaction responses;

outputting, by the hand-held computing device, a cognitive assessment based on the cognitive measure.

32. A computer-implemented system for assessing cognitive ability of an individual, comprising: (17) (7)

one or more processors; and

a memory comprising instructions which when executed cause the one or more processors to execute steps comprising:

receiving a first plurality responses by the individual to a first task, the first task including first stimuli evoking the first plurality of responses from the individual over a period of time;

receiving a second plurality of responses by the individual to a second task, the second task including second stimuli evoking the second plurality of responses from the individual over the period of time, wherein the second stimuli are presented simultaneously with at least some of the first stimuli;

determining that the first task and the second task are performed by the individual based on the first plurality of responses and the second plurality of responses;

computing a cognitive measure using one or both of the first plurality of responses and the second plurality of responses; and

outputting a cognitive assessment based on the cognitive measure.

34. The computer-implemented system of claim 32, wherein computing the cognitive measure includes determining performance measures using one or both of the first plurality of responses and the second plurality of responses. (3) (0)

35. The computer-implemented system of claim 34, wherein the performance measures are selected from the group consisting of: reaction time of responses and correctness of responses. (0)

48. The computer-implemented system of claim 34, wherein computing the cognitive measure includes comparing the performance measures to predetermined performance measures representative of individuals with known cognitive conditions. (0)

49. The computer-implemented system of claim 34, wherein computing the cognitive measure includes applying a computer data model to the performance measures. (1) (0)

36. The computer-implemented system of claim 32, wherein one or both of the first plurality of responses and the second plurality of responses are detected using one or more sensors, the sensors being selected from the group consisting of: accelerometer and gyroscope. (0)

37. The computer-implemented system of claim 32, wherein the memory comprises instructions for causing the one or more processors to execute further steps comprising: (3) (2)

determining performance measures using one or both of the first plurality of responses and the second plurality of responses; and

modifying, during the period of time, a difficulty level of the first task or the second task based on performance measures.

38. The computer-implemented system of claim 37, wherein the difficulty level corresponds to a game level. (0)

39. The computer implemented system of claim 37, wherein the difficulty level is selected from the group consisting of: allowable reaction time window for reacting to stimuli, navigation speed, number of obstacles, size of obstacles, frequency of turns in a navigation path, and turning radiuses of turns in a navigation path. (0)

40. The computer-implemented system of claim 37, (1) (2)

wherein the difficulty level is modified in real-time during the period of time; and

wherein the cognitive measure is computed using the difficulty level modifications made during the period of time.

41. The computer-implemented system of claim 40, wherein the memory comprises instructions for causing the one or more processors to execute further steps comprising: (1) (2)

43. The computer-implemented system of claim 32, wherein the memory comprises instructions for causing the one or more processors to execute further steps comprising: (0) (4)

wherein the first difficulty level and the second difficulty level are modified in real-time during the period of time; and

wherein the cognitive measure is computed using one or both of the first difficulty level modifications and the second difficulty level modifications.

44. The computer-implemented system of claim 32, wherein the first task is a visuomotor task, the first stimuli include a navigation path, and the first plurality of responses include continuous inputs. (0)

45. The computer-implemented system of claim 32, wherein the second task is a reaction task, the second stimuli include target stimuli that require responses from the individual, and the second plurality of responses include inputs reacting to the interferences. (1) (0)

47. The computer-implemented system of claim 32, wherein computing the cognitive measure includes applying statistical analysis to one or both of the first plurality of responses and the second plurality of responses. (0)

52. The computer-implemented system of claim 32, wherein computing the cognitive measure includes computing a hit rate, false alarm rate, correct response rate, or miss rate. (0)

53. The computer-implemented system of claim 32, wherein computing the cognitive measure includes applying a signal detection technique selected from the group consisting: sensitivity index, receiver operating characteristics (ROC), and bias. (0)

54. The computer-implemented system of claim 32, wherein the cognitive measure is a composite measure computed using performance measures of the first plurality of responses to the first task and performance measures of the second plurality responses to the second task. (0)

55. The computer-implemented system of claim 32, wherein the cognitive measure is a composite measure computed using at least two types of performance measures of one of the first plurality of responses and the second plurality of responses. (0)

56. The computer-implemented system of claim 32, wherein the cognitive measure is a composite measure computed using non-performance information and performance measures of one or both of the first plurality of responses and the second plurality of responses. (1) (0)

58. The computer-implemented system of claim 32, wherein the cognitive assessment provides a diagnosis of cognitive disorder. (0)

59. The computer-implemented system of claim 32, wherein the cognitive assessment is used to monitor the individual's cognitive ability over time. (0)

60. The computer-implemented system of claim 32, wherein the cognitive assessment is used to monitor an effect of therapy on the individual's cognitive ability. (0)

61. The computer-implemented system of claim 32, wherein the second stimuli are presented at exactly the same time with at least some of the first stimuli. (0)

62. The computer-implemented system of claim 32, wherein one of the second stimuli is presented with an associated first stimuli consecutively with a slight time differential. (0)

33. A computer-implemented system for assessing cognitive ability of an individual, comprising: (0) (2)

a hand-held computing device having one or more processors, a display component, an input device, and a sensor; and

a memory comprising instructions which when executed cause the one or more processors to execute steps comprising: presenting, by the display component, a visuomotor task to the individual over a period of time, the visuomotor task including a navigation path evoking navigation responses from the individual;

receiving the navigation responses using the sensor;

receiving the reaction responses using the input device;

determining that the visuomotor task is being performed by the individual based on the navigation responses;

computing a cognitive measure using the reaction responses;

outputting a cognitive assessment based on the cognitive measure.

63. A non-transitory computer-readable medium encoded with instructions for assessing cognitive ability of an individual, the instructions being configured to cause a computer processing system to execute steps comprising: (17) (5)

receiving a first plurality responses by the individual to a first task, the first task including first stimuli evoking the first plurality of responses from the individual over a period of time;

determining that the first task and the second task are performed by the individual based on the first plurality of responses and the second plurality of responses;

computing a cognitive measure using one or both of the first plurality of responses and the second plurality of responses; and

outputting a cognitive assessment based on the cognitive measure.

65. The non-transitory computer-readable medium of claim 63, wherein computing the cognitive measure includes determining performance measures using one or both of the first plurality of responses and the second plurality of responses. (3) (0)

66. The non-transitory computer-readable medium of claim 65, wherein the performance measures are selected from the group consisting of: reaction time of responses and correctness of responses. (0)

79. The non-transitory computer-readable medium of claim 65, wherein computing the cognitive measure includes comparing the performance measures to predetermined performance measures representative of individuals with known cognitive conditions. (0)

80. The non-transitory computer-readable medium of claim 65, wherein computing the cognitive measure includes applying a computer data model to the performance measures. (1) (0)

67. The non-transitory computer-readable medium of claim 63, wherein one or both of the first plurality of responses and the second plurality of responses are detected using one or more sensors, the sensors being selected from the group consisting of: accelerometer and gyroscope. (0)

68. The non-transitory computer-readable medium of claim 63, wherein the instructions being configured to cause the computer processing system to execute further steps comprising: (3) (2)

determining performance measures using one or both of the first plurality of responses and the second plurality of responses; and

modifying, during the period of time, a difficulty level of the first task or the second task based on performance measures.

69. The non-transitory computer-readable medium of claim 68, wherein the difficulty level corresponds to a game level. (0)

70. The non-transitory computer-readable medium of claim 68, wherein the difficulty level is selected from the group consisting of: allowable reaction time window for reacting to stimuli, navigation speed, number of obstacles, size of obstacles, frequency of turns in a navigation path, and turning radiuses of turns in a navigation path. (0)

71. The non-transitory computer-readable medium of claim 68, (1) (2)

wherein the difficulty level is modified in real-time during the period of time; and

wherein the cognitive measure is computed using the difficulty level modifications made during the period of time.

72. The non-transitory computer-readable medium of claim 71, wherein the instructions being configured to cause the computer processing system to execute further steps comprising: (1) (2)

74. The non-transitory computer-readable medium of claim 63, wherein the instructions being configured to cause the computer processing system to execute further steps comprising: (0) (4)

wherein the first difficulty level and the second difficulty level are modified in real-time during the period of time; and

wherein the cognitive measure is computed using one or both of the first difficulty level modifications and the second difficulty level modifications.

75. The non-transitory computer-readable medium of claim 63, wherein the first task is a visuomotor task, the first stimuli include a navigation path, and the first plurality of responses include continuous inputs. (0)

76. The non-transitory computer-readable medium of claim 63, wherein the second task is a reaction task, the second stimuli include target stimuli that require responses from the individual, and the second plurality of responses include inputs reacting to the interferences. (1) (0)

78. The non-transitory computer-readable medium of claim 63, wherein computing the cognitive measure includes applying statistical analysis to one or both of the first plurality of responses and the second plurality of responses. (0)

83. The non-transitory computer-readable medium of claim 63, wherein computing the cognitive measure includes computing a hit rate, false alarm rate, correct response rate, or miss rate. (0)

84. The non-transitory computer-readable medium of claim 63, wherein computing the cognitive measure includes applying a signal detection technique selected from the group consisting: sensitivity index, receiver operating characteristics (ROC), and bias. (0)

85. The non-transitory computer-readable medium of claim 63, wherein the cognitive measure is a composite measure computed using performance measures of the first plurality of responses to the first task and performance measures of the second plurality responses to the second task. (0)

86. The non-transitory computer-readable medium of claim 63, wherein the cognitive measure is a composite measure computed using at least two types of performance measures of one of the first plurality of responses and the second plurality of responses. (0)

87. The non-transitory computer-readable medium of claim 63, wherein the cognitive measure is a composite measure computed using non-performance information and performance measures of one or both of the first plurality of responses and the second plurality of responses. (1) (0)

89. The non-transitory computer-readable medium of claim 63, wherein the cognitive assessment provides a diagnosis of cognitive disorder. (0)

90. The non-transitory computer-readable medium of claim 63, wherein the cognitive assessment is used to monitor the individual's cognitive ability over time. (0)

91. The non-transitory computer-readable medium of claim 63, wherein the cognitive assessment is used to monitor an effect of therapy on the individual's cognitive ability. (0)

92. The non-transitory computer-readable medium of claim 63, wherein the second stimuli are presented at exactly the same time with at least some of the first stimuli. (0)

93. The non-transitory computer-readable medium of claim 63, wherein one of the second stimuli is presented with an associated first stimuli consecutively with a slight time differential. (0)

64. A non-transitory computer-readable medium encoded with instructions for assessing cognitive ability of an individual, the instructions being configured to cause a hand-held computing device having a display component, an input device, and a sensor to execute steps comprising: (0) (7)

presenting, by the display component, a visuomotor task to the individual over a period of time, the visuomotor task including a navigation path evoking navigation responses from the individual;

receiving the navigation responses using the sensor;

receiving the reaction responses using the input device;

determining that the visuomotor task is being performed by the individual based on the navigation responses;

computing a cognitive measure using the reaction responses;

outputting a cognitive assessment based on the cognitive measure.

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Application US20160262680

Processor Implemented Systems and Methods for Measuring Cognitive Abilities

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