CN102406506A - Method for detecting lie by using cerebral blood flow analysis - Google Patents
Method for detecting lie by using cerebral blood flow analysis Download PDFInfo
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- CN102406506A CN102406506A CN2010102914220A CN201010291422A CN102406506A CN 102406506 A CN102406506 A CN 102406506A CN 2010102914220 A CN2010102914220 A CN 2010102914220A CN 201010291422 A CN201010291422 A CN 201010291422A CN 102406506 A CN102406506 A CN 102406506A
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Abstract
The invention discloses a method for detecting a lie by using cerebral blood flow analysis, comprising the following steps of: (a) providing a near infrared ray cerebral blood flow analyser and wearing the near infrared ray cerebral blood flow analyser on the head of a testee; (b) carrying out basic detection on the brain of the testee by using the near infrared ray cerebral blood flow analyser, and analyzing cerebral cortex active information before the testee answers a question; (c) establishing cerebral cortex active information when the testee honestly answers yes or no by using the near infrared ray cerebral blood flow analyser; (d) asking a question for detecting the lie of the testee and requiring the testee to only answer one of yes and no; (e) comparing the cerebral cortex active information when the testee answers one of yes and no for the question for detecting the lie of the testee with the cerebral cortex active information established in the step (c); and (f) judging whether the testee tells a lie or not according to the comparison result obtained in the step (e).
Description
Technical field
The present invention relates to a kind of lie detecting method, particularly about a kind of lie detecting method that utilizes cerebral blood flow to analyze.
Background technology
The technology of detecting a lie now mainly is to develop the lie detecting method that forms to the physiological statuss such as breathing, heart beating, blood pressure and muscular tone state of measuring human body, and the more common instrument of detecting a lie roughly comprises the measurement breathing equipment, measures the electric skin response device and measures blood pressure device etc. at present.
Measure the breathing equipment essential record respiratory frequency and the degree of depth; That is breathe in record testee thoracic cavity and the case of motion of fluctuating; When individuality will have emotions such as anxiety, fear, worry because of lying; It is sympathetic, the parasympathetic nervous effect, produces on Repiration that rapid breathing, amplitude slow down, single breath cycle becomes to rise or descends.
Measuring the electric skin response device can be in order to measure individuals for resistance that flow of current produced; It is individual when emotion such as anxiety, fear, worry is arranged in lying; The sympathetic nerve effect will be strengthened; The sweat gland secretion of skin surface increases, and makes through the battery lead plate electric current on two fingers that are connected on testee to increase.
Measuring blood pressure device can be in order to measure individuals blood pressure size and pulse rates; When individuality is felt excited, angry and is faced pressure; Sympathetic nerve plays a role; Nerve impulse will directly act on heart and make and palpitate quickly, and the adrenal gland will be disengaged epinephrine and Norepinephrine this moment, and make increased blood pressure.
The above-mentioned existing instrument of detecting a lie is still and is confined to measure human physiological reaction and judges whether two lie.Yet lying is human brain running thinking product down, and lying be directed against the cerebral cortex active state, and design one cover is detected brain and had or not the cortex when lying to enliven the method that situation is detected, and can learn accurately just that testee has or not to lie.And be usually used in detecing in the instrument of side brain state at present; Electroencephalograph only can be used for detecting E.E.G; Angiographic instrument (the functionalMagnetic Resonance Imaging and the functional magnetic in highfield shakes; FMRI) though can detect the active state of brain region, the instrument volume is too huge, quite inconvenience in the use.And near infrared light spectral technology (Near Infrared (Reflectance) Spectroscopy; NIRS) then can be by the light of induction head reflection; Measure the mobile change of cerebral cortex inner blood; And not influenced by electromagnetic noise, can reach the spatial resolution of height, yet the lie detecting method that correlation technique is applied to enliven to the cerebral cortex that big cerebral blood flow changes situation is not arranged at present.
Summary of the invention
Whether the above-mentioned existing instrument of detecting a lie is still and is confined to measure human physiological reaction and judges and lie.Yet lying is human brain running thinking product down, and lying be directed against the cerebral cortex active state, and design one cover is detected brain and had or not the cortex when lying to enliven the method that situation is detected, and can learn accurately just that testee has or not to lie.
Therefore, the object of the invention promptly provides a kind of lie detecting method that utilizes cerebral blood flow to analyze.
The present invention for solving the technological means that prior art problems adopted is: a kind of lie detecting method that utilizes cerebral blood flow to analyze, and its step comprises:
(a) a near infrared ray cerebral blood flow analyser and wearing in the head of a testee is provided;
(b) utilize this near infrared ray cerebral blood flow analyser that this testee is carried out a brain and detect basically, the cerebral cortex of analyzing before not answering a question enlivens information;
(c) utilize this near infrared ray cerebral blood flow analyser to set up this testee and enliven information at the cerebral cortex that honesty answer " being " reaches " not being ";
(d) put question to the problem desiring to detect a lie to this testee, and this testee one of can only be answered in " being " or " not being ";
(e) with testee " be " or " not being " one of them cerebral cortex enlivens cerebral cortex that information and step (c) set up and enlivens information and compare to the question answering of detecting a lie;
(f) judge according to the comparison result of step (e) whether this testee lies.
Via the technological means that the present invention adopted, can directly be directed against the cerebral cortex active state, the comparison that can be exactly enlivens information by cerebral cortex learns that testee has or not and lies, compare more direct with existing method and accuracy high.In addition; Other existing brain Detecting device of the volume ratio of near infrared ray cerebral blood flow analyser (for example fMRI or EEG) is more light, size is less; Have easy to carry, use simple advantage; In conjunction with the lie detecting method of these a little characteristics, be applied in following lie detector field and will have development potentiality.
Description of drawings
Fig. 1 utilizes the flow chart of steps of the lie detecting method of cerebral blood flow analysis for showing the present invention.
The specific embodiment
Those skilled in the art below cooperate Figure of description that embodiment of the present invention is done more detailed explanation, so that can implement after studying this description carefully according to this.
Consult Fig. 1, utilize the flow chart of steps of the lie detecting method of cerebral blood flow analysis for showing the present invention.
At first, collect correct master data of testee and the previous operations (step 101) that designs the problem that to detect a lie.In this step, mainly comprise and collect the relevant correct master data of testee and design the problem that to detect a lie; The relevant correct basic document of testee comprises testee individual physiological data (like age, height, body weight), social condition (like name, sex, marital status) and relevant correct master data with testee, and the problem that design is detected a lie can only let testee answer " being " or " not being " wherein a kind of.
One near infrared ray cerebral blood flow analyser is provided and wears, and confirm that testee is a relaxation state (step 102) in the head of a testee.This step is prepared before being test, mainly is to let testee loosen mood, and connects near infrared ray cerebral blood flow analyser, and this partly can measure the heart beating of testee and breathe whether meet normal condition, just can learn that testee has or not to loosen.
Utilize near infrared ray cerebral blood flow analyser that testee is carried out a brain and detect basically, the cerebral cortex of analyzing before not answering a question enlivens information (step 103).The cerebral cortex here enlivens information and sets up according to its big cerebral blood flow cortex active regions, and brain detects the emotion cerebral cortex active degree information that comprises worry, hostility, overthinking, sulky, nervous, pressure, palpitating speed and muscle abnormal contraction basically.
Utilize near infrared ray cerebral blood flow analyser to set up testee and enliven information (step 104) at the cerebral cortex of honesty answer.This step put question at least three basic problems to testee and according to this near infrared ray cerebral blood flow analyser to the testee analysis, find out testee and answer the cerebral cortex that " being " reach " not being " corresponding to honesty and enliven information.Put question to master data respectively about this testee correct/error; And by this testee answer " being " or " not being ", and cooperate the analysis of near infrared ray cerebral blood flow analyser to enliven information corresponding to the cerebral cortex that honesty answer " being " reaches " not being " to judge testee.The visual demand repeated several times of this step, testee is honest answers the cerebral cortex that " being " reach " not being " and enlivens information up to finding out.
The problem (step 105) that enquirement is desired to detect a lie to testee.This step is then putd question to the problem of detecting a lie by the person of detecting a lie to testee, and testee can only answer " being " or " not being " one of them.
With testee to the question answering of detecting a lie " be " or " not being " one of them cerebral cortex enlivens cerebral cortex that information and step (104) set up and enlivens information compare (step 106).
Judge testee whether lie (step 107) according to comparison result.
If comparison result is for conforming to, represent testee do not lie (step 108).Mean testee " conforming to " of this step and " be " or the cerebral cortex of " not being " enlivens information and with the cerebral cortex that step (104) is set up the identical information of enlivening arranged the question answering of detecting a lie.
And if comparison result, is then represented testee lie (step 109) for not conforming to.Mean testee " not conforming to " of this step and " be " or the cerebral cortex of " not being " enlivens information and do not have the identical information of enlivening with the cerebral cortex that step (104) is set up the question answering of detecting a lie.
The above is merely in order to explain preferred embodiment of the present invention; Be not that attempt is done any pro forma restriction to the present invention according to this; Therefore, all have in that identical creation spirit is following do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protect.
Claims (16)
1. lie detecting method that utilizes cerebral blood flow to analyze is characterized in that step comprises:
(a) a near infrared ray cerebral blood flow analyser and wearing in the head of a testee is provided;
(b) utilize this near infrared ray cerebral blood flow analyser that this testee is carried out a brain and detect basically, the cerebral cortex of analyzing before not answering a question enlivens information;
(c) utilize this near infrared ray cerebral blood flow analyser to set up this testee and enliven information at the cerebral cortex that honesty answer " being " reaches " not being ";
(d) utilize this near infrared ray cerebral blood flow analyser to collect and put question to the problem desiring to detect a lie, and this testee can only be answered " being " or " not being " one of them cerebral cortex and enlivened information this testee;
(e) with step (d) testee " be " or " not being " one of them cerebral cortex enlivens cerebral cortex that information and step (c) set up and enlivens information and compare to the question answering of detecting a lie;
(f) judge according to the comparison result of step (e) whether this testee lies.
2. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 1 is characterized in that this cerebral cortex enlivens information and sets up according to its big cerebral blood flow cortex active regions.
3. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 1 is characterized in that, more comprises before that in step (a) step is for collecting the problem that correct master data of this testee and design are desired to detect a lie.
4. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 3; It is characterized in that; In the step of collecting the correct basic document of this testee, its correct master data comprises following data: (1) testee individual physiological data comprises age, height, body weight; (2) social condition data comprise name, sex, marital status; And (3) relevant correct master data with testee.
5. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 1 is characterized in that, in the step of the problem that design is desired to detect a lie, design detect a lie the answer of problem can only let testee answer " being " or " not being " one of them.
6. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 1 is characterized in that, more comprises before that in step (a) one confirms that this testee is the step of relaxation state.
7. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 6 is characterized in that, confirms that this testee is that the step loosened is via the heart beating that measures this testee and breathe to confirm that this testee is a relaxation state.
8. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 1; It is characterized in that the brain of step (b) detects the emotion cerebral cortex active degree information that comprises worry, hostility, overthinking, sulky, nervous, pressure, palpitating speed and muscle abnormal contraction basically.
9. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 1; It is characterized in that; Step (c) is at least three basic problems of testee enquirement and according to this near infrared ray cerebral blood flow analyser this testee to be analyzed, and finds out this testee and enlivens information corresponding to the cerebral cortex that honesty answer " being " reaches " not being ".
10. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 9; It is characterized in that; Step (c) is to put question to about the correct master data of this testee; And by this testee answer " being ", and cooperate the analysis of this near infrared ray cerebral blood flow analyser to enliven information to judge the cerebral cortex that this testee is answered " being " corresponding to honesty.
11. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 9; It is characterized in that; This step (c) is to put question to the master data about this testee mistake; And by this testee answer " not being ", and cooperate the analysis of this near infrared ray cerebral blood flow analyser to enliven information to judge the cerebral cortex that this testee is answered " not being " corresponding to honesty.
12. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 1; It is characterized in that; Step (d) is for repeating to put question at least three times the problem desiring to detect a lie to testee, and collects one of them cerebral cortex of this testee answer " being " or " not being " according to this near infrared ray cerebral blood flow analyser and enliven information.
13. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 1 is characterized in that, on behalf of testee, comparison do not lie when cerebral cortex enlivens information and conforms to as a result in the step (f).
14. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 13; It is characterized in that; Step (f) comparison result cerebral cortex enlivens information and conforms to, and means that step (d) testee to the question answering of detecting a lie " is " or " not being " one of them cerebral cortex enlivens information and with the cerebral cortex that step (c) is set up the identical information of enlivening arranged.
15. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 1 is characterized in that, on behalf of testee, comparison lie when cerebral cortex enlivens information and do not conform to as a result in the step (f).
16. the lie detecting method that utilizes cerebral blood flow to analyze as claimed in claim 15; It is characterized in that; Step (f) comparison result cerebral cortex enlivens information and does not conform to, and means that step (d) testee to the question answering of detecting a lie " is " or " not being " one of them cerebral cortex enlivens information and do not have the identical information of enlivening with the cerebral cortex that step (c) is set up.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012129960A1 (en) * | 2011-03-29 | 2012-10-04 | Wu Ming-Ta | Method for locating affirmative response area and negative response area in the cerebral cortex |
| CN107809951A (en) * | 2014-04-24 | 2018-03-16 | 心灵之眼株式会社 | (detecting a lie) method and apparatus are detected using the psychology physiological to distortion for going out physiological signal based on video detection |
| WO2022262705A1 (en) * | 2021-06-15 | 2022-12-22 | 林纪良 | Lighting system having multi-spectral rhythm lighting scenario, and lighting method thereof |
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| US20030120140A1 (en) * | 2001-03-23 | 2003-06-26 | Bango Joseph J. | Polygraph utilizing medical imaging |
| CN1516561A (en) * | 2001-06-15 | 2004-07-28 | ��Ϧ�������ݴ�ѧ������ | Functional brain imaging for detecting and assessing deception and concealed recognition, and cognitive/emotional respnose to information |
| US20060036152A1 (en) * | 2001-12-13 | 2006-02-16 | Medical University Of South Carolina | Systems & methods for detecting deception by measuring brain activity |
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2010
- 2010-09-26 CN CN2010102914220A patent/CN102406506A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030120140A1 (en) * | 2001-03-23 | 2003-06-26 | Bango Joseph J. | Polygraph utilizing medical imaging |
| CN1516561A (en) * | 2001-06-15 | 2004-07-28 | ��Ϧ�������ݴ�ѧ������ | Functional brain imaging for detecting and assessing deception and concealed recognition, and cognitive/emotional respnose to information |
| US20060036152A1 (en) * | 2001-12-13 | 2006-02-16 | Medical University Of South Carolina | Systems & methods for detecting deception by measuring brain activity |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012129960A1 (en) * | 2011-03-29 | 2012-10-04 | Wu Ming-Ta | Method for locating affirmative response area and negative response area in the cerebral cortex |
| CN102715953A (en) * | 2011-03-29 | 2012-10-10 | 吴明达 | Method for positioning positive answer zone and negative answer zone in cerebral cortex |
| CN102715953B (en) * | 2011-03-29 | 2014-05-28 | 吴明达 | Method for positioning positive answer zone and negative answer zone in cerebral cortex |
| CN107809951A (en) * | 2014-04-24 | 2018-03-16 | 心灵之眼株式会社 | (detecting a lie) method and apparatus are detected using the psychology physiological to distortion for going out physiological signal based on video detection |
| CN107809951B (en) * | 2014-04-24 | 2021-03-02 | 心灵之眼株式会社 | Psychophysiological detection (lie detection) method and apparatus for distortion using video-based detection of physiological signals |
| WO2022262705A1 (en) * | 2021-06-15 | 2022-12-22 | 林纪良 | Lighting system having multi-spectral rhythm lighting scenario, and lighting method thereof |
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Application publication date: 20120411 |