Reducing noise in a technique for diagnosing attention deficit hyperactivity disorder
First Claim
1. A method of determining whether an individual has Attention Deficit Hyperactivity Disorder (ADHD) comprising:
- sampling the peripheral skin temperature of a human subject during a predetermined time interval when the subject is in an inactive state to provide a sampled peripheral skin temperature signal containing noise;
modulating said sampled peripheral skin temperature signal containing noise with a known reference signal to produce a modulated signal;
inputting said modulated signal and said known reference signal to a Lock-in amplifier to produce a sampled peripheral skin temperature signal free of said noise; and
analyzing the sampled peripheral skin temperature signal free of said noise for a pre-selected parameter to determine whether said predetermined parameter has a value indicative of ADHD.
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Accused Products
Abstract
A method of determining whether an individual has Attention Deficit Hyperactivity Disorder (ADHD) comprising: sampling the peripheral skin temperature of a human subject during a predetermined time interval when the subject is in an inactive state to provide a sampled peripheral skin temperature signal containing noise: modulating said sampled peripheral skin temperature signal containing noise with a known reference signal to produce a modulated signal; inputting said modulated signal and said known reference signal to a lock-in amplifier to produce a sampled peripheral skin temperature signal free of said noise; and analyzing the sampled peripheral skin temperature signal for a pre-selected parameter to determine whether said predetermined parameter has a value indicative of ADHD.
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Citations
11 Claims
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1. A method of determining whether an individual has Attention Deficit Hyperactivity Disorder (ADHD) comprising:
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sampling the peripheral skin temperature of a human subject during a predetermined time interval when the subject is in an inactive state to provide a sampled peripheral skin temperature signal containing noise;
modulating said sampled peripheral skin temperature signal containing noise with a known reference signal to produce a modulated signal;
inputting said modulated signal and said known reference signal to a Lock-in amplifier to produce a sampled peripheral skin temperature signal free of said noise; and
analyzing the sampled peripheral skin temperature signal free of said noise for a pre-selected parameter to determine whether said predetermined parameter has a value indicative of ADHD. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A system for determining whether an individual has ADHD comprising:
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a device for sampling the peripheral skin temperature of a human subject during a predetermined time interval when the subject is in an inactive state to provide sampled peripheral skin temperature signal containing noise;
a source of a known reference signal;
a modulator for modulating said sampled peripheral skin temperature signal containing noise with said known reference signal from said source to produce a modulated signal;
a lock-in amplifier which receives at its input said modulated signal and said known reference signal and which outputs a sampled peripheral skin temperature signal free of said noise; and
an analyzer for analyzing said sampled peripheral skin temperature signal free of said noise for a pre-selected parameter to determine whether said pre-selected parameter has a value indicative of ADHD. - View Dependent Claims (8, 9, 10, 11)
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Specification