METHOD AND SYSTEM FOR MAINTAINING A STATE IN A SUBJECT
First Claim
1. A method of maintaining an affective state in a subject (12) comprising:
- measuring one or more physiological parameters of the subject (12),calculating, using the measured parameter(s), a value (26) representing a relaxation state of the subject (12),determining if the calculated value (26) is below a lower threshold (20) or above an upper threshold (22), wherein the lower threshold (20) represents the lower limit that the subject (12) is allowed to reach and at which the subject (12) becomes too relaxed and wherein the upper threshold (22) represents the maximum alertness that the subject (12) is permitted and at which the subject (12) becomes too aroused, andgenerating an output to the subject (12), comprising generating a first output for initiating to reduce relaxation if the calculated value (26) is determined to be below the lower threshold (20) and generating a second output for initiating to increase relaxation if the calculated value (26) is determined to be above the upper threshold (22), the second output being different from the first output.
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Abstract
A method of maintaining a state in a subject comprises measuring one or more physiological parameters of the subject, calculating, using the measured parameter(s), a value, determining if the calculated value is below a lower threshold or above an upper threshold, and generating an output to the subject if the calculated value is determined to be below the lower threshold or above the upper threshold. In one embodiment, the generating an output to the subject comprises generating a first output if the calculated value is determined to be below the lower threshold and generating a second output if the calculated value is determined to be above the upper threshold, the second output being different from the first output.
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Citations
16 Claims
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1. A method of maintaining an affective state in a subject (12) comprising:
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measuring one or more physiological parameters of the subject (12), calculating, using the measured parameter(s), a value (26) representing a relaxation state of the subject (12), determining if the calculated value (26) is below a lower threshold (20) or above an upper threshold (22), wherein the lower threshold (20) represents the lower limit that the subject (12) is allowed to reach and at which the subject (12) becomes too relaxed and wherein the upper threshold (22) represents the maximum alertness that the subject (12) is permitted and at which the subject (12) becomes too aroused, and generating an output to the subject (12), comprising generating a first output for initiating to reduce relaxation if the calculated value (26) is determined to be below the lower threshold (20) and generating a second output for initiating to increase relaxation if the calculated value (26) is determined to be above the upper threshold (22), the second output being different from the first output. - View Dependent Claims (3, 4, 15)
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2. (canceled)
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5. A system for maintaining an affective state in a subject (12) comprising:
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one or more sensors (14) arranged to measure one or more physiological parameters of the subject (12), a processor (16) arranged to calculate, using the measured parameter(s), a value (26) representing a relaxation state of the subject (12), and to determine if the calculated value (26) is below a lower threshold (20) or above an upper threshold (22), wherein the lower threshold (20) represents the lower limit that the subject (12) is allowed to reach and at which the subject (12) becomes too relaxed and wherein the upper threshold (22) represents the maximum alertness that the subject (12) is permitted and at which the subject (12) becomes too aroused, and one or more output devices (18) arranged to generate an output to the subject (12), wherein the output device(s) (18) is/are arranged to generate a first output for initiating to reduce relaxation if the calculated value (26) is determined to be below the lower threshold (20) and to generate a second output for initiating to increase relaxation if the calculated value (26) is determined to be above the upper threshold (22), the second output being different from the first output. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 16)
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6. (canceled)
Specification