JP2908238B2 - Stress measurement device - Google Patents
Stress measurement deviceInfo
- Publication number
- JP2908238B2 JP2908238B2 JP6115222A JP11522294A JP2908238B2 JP 2908238 B2 JP2908238 B2 JP 2908238B2 JP 6115222 A JP6115222 A JP 6115222A JP 11522294 A JP11522294 A JP 11522294A JP 2908238 B2 JP2908238 B2 JP 2908238B2
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- Japan
- Prior art keywords
- biological information
- stimulus
- unit
- subject
- threshold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、人間がストレスに陥っ
ているときに、またはストレスを調べるときに用いるス
トレス計測装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stress measuring device used when a person is under stress or when examining stress.
【０００２】[0002]
【従来の技術】脈波等の自律神経指標は自律神経活動を
反映し、心身の緊張状態などの変化を推定することがで
きる。また、特開平４−２０４０５６号公報の「ストレ
ス検査方法および装置」にあるように、循環器系、内分
泌系の情報より、生体ストレスを検査することができ
る。さらに、平成５年、第９回ヒューマンインタフェー
スシンポジウム論文集、２２９〜２３２頁で一色弘三氏
が「単調作業時における皮膚電気活動とその精神活動状
態の制御への応用」と題した論文で報告しているよう
に、自律神経系、体性神経系の情報を用いたストレス計
測が試みられている。しかしながら、これらの技術は、
計測時の人間の心身の状態が考慮されておらず、刺激に
対する生理データの反応のみをとらえており、その反応
がストレスに因るものなのかどうかが不明確であった。
人間のストレスを計測する際に、心身の緊張状態などの
変化から自律神経活動を司る中枢の反応を調べる装置は
実現されていない。2. Description of the Related Art Autonomic nervous indices such as pulse waves reflect autonomic nervous activity and can estimate changes such as mental and physical tension. Further, as described in "Stress test method and apparatus" in Japanese Patent Application Laid-Open No. H4-204056, a biological stress can be tested based on information on the circulatory system and endocrine system. Furthermore, in 1993, Kozo Isshiki reported in the ninth Human Interface Symposium Proceedings, pp. 229-232, in a paper entitled "Electrodermal Activity in Monotonous Work and Its Application to Control of Mental Activity". As described above, stress measurement using information on the autonomic nervous system and the somatic nervous system has been attempted. However, these techniques
The state of the human body and mind at the time of measurement was not taken into account, and only the response of physiological data to the stimulus was captured, and it was unclear whether the response was caused by stress.
When measuring human stress, a device for examining a central reaction controlling autonomic nervous activity from changes such as a state of mental and physical tension has not been realized.
【０００３】[0003]
【発明が解決しようとする課題】脈波等の自律神経指標
は自律神経活動を反映し、心身の緊張状態などの変化を
推定することができ、循環器系、内分泌系の情報より、
生体ストレスを検査することができる。また、自律神経
系、体性神経系の情報を用いたストレス計測が試みられ
ている。しかしながら、これらの技術は、計測時の人間
の心身の状態が考慮されておらず、刺激に対する生理デ
ータの反応のみをとらえており、その反応がストレスに
因るものなのかどうかが不明確であった。人間のストレ
スを計測する際に、心身の緊張状態などの変化から自律
神経活動を司る中枢の反応を調べる装置は実現されてい
ない。本発明の目的は、心身の緊張状態といった、いわ
ゆるストレス状態を誘起させる刺激を与える装置及び誘
起されたストレス状態を生体情報を用いて計測する装置
を提供することである。The autonomic nervous index such as a pulse wave reflects the autonomic nervous activity, and can estimate changes such as a state of mind and body. Based on information of the circulatory system and endocrine system,
A biological stress can be tested. In addition, stress measurement using information on the autonomic nervous system and the somatic nervous system has been attempted. However, these techniques do not consider the state of the human body at the time of measurement and only capture the response of physiological data to the stimulus, and it is unclear whether the response is due to stress. Was. When measuring human stress, a device for examining a central reaction controlling autonomic nervous activity from changes such as a state of mental and physical tension has not been realized. An object of the present invention is to provide a device for providing a stimulus for inducing a so-called stress state, such as a state of physical and mental tension, and a device for measuring the induced stress state using biological information.
【０００４】[0004]
【課題を解決するための手段】本発明のストレス計測装
置は、被計測者の自律神経系、中枢神経系、体性神経
系、内分泌系等の生体情報を定量的に計測する生体情報
計測部と、少なくとも一種類以上の前記生体情報を用い
て被計測者の生体情報の変化を捉え、その変化の程度の
閾値を計算する閾値算出部と、前記閾値算出部によって
算出された閾値に従ってトリガ信号を発生するトリガ信
号発生部と、前記生体情報計測部で計測された生体情報
と前記トリガ信号が送られてきたときに被計測者の生体
内部状態を推定する生体情報解析部と、前記生体情報解
析部で解析された生体内部状態を用いて被計測者に提示
する刺激を変化させる刺激制御部と、前記刺激制御部で
制御された信号に従い、被計測者に刺激を提示する刺激
提示部と、によって構成されることを特徴とする。SUMMARY OF THE INVENTION A stress measuring apparatus according to the present invention comprises a subject's autonomic nervous system, central nervous system, and somatic nerve.
System, a biological information measuring unit that quantitatively measures biological information such as an endocrine system , using at least one or more types of the biological information
To capture changes in the subject's biological information
A threshold calculator for calculating a threshold, and the threshold calculator
A trigger signal generating unit for generating a trigger signal according to the calculated threshold value , and biological information measured by the biological information measuring unit
And the living body of the subject when the trigger signal is sent.
A biological information analysis unit for estimating the internal state, the biological information solutions
Presentation to the subject using the internal state of the living body analyzed by the analyzer
A stimulus control unit that changes a stimulus to be applied ;
And a stimulus presentation unit that presents a stimulus to the subject according to the controlled signal .
【０００５】[0005]
【作用】本発明の作用を、図１に装置の構成を示し、こ
れを用いて説明する。The operation of the present invention will be described with reference to FIG.
【０００６】図１において０１は被計測者である。１０
及び１１は刺激提示部であり、１２は生体情報計測部で
ある。１３は閾値算出部であり、１４は生体情報計測部
である。１５はトリガ信号発生部であり、１６は刺激制
御部である。刺激提示部で提示される外部刺激として
は、視聴覚刺激、電気刺激等、被計測者に何らかの変化
を与えられる刺激の少なくとも２種類の組み合わせを用
いる。この、少なくとも２種類以上の刺激のうち、少な
くとも１種類以上の刺激をトリガとし、これらの外部刺
激によって生体情報が変化したときの状態をストレス状
態とし、生体情報の変化値が閾値算出部で計算された閾
値を越えたとき、トリガ信号発生部でトリガ信号が発生
し、生体情報解析部でストレス状態と判断する。ストレ
ス状態によって刺激制御部で制御され、刺激提示部によ
って提示された外部刺激により、生体情報を変化させる
ことができる。生体情報計測部で計測された生体情報を
用いて、閾値算出部で算出された閾値と生体情報解析部
で、ストレス状態を判断することができる。In FIG. 1, reference numeral 01 denotes a person to be measured. 10
And 11 are stimulus presentation units, and 12 is a biological information measurement unit. 13 is a threshold value calculation unit, and 14 is a biological information measurement unit. Reference numeral 15 denotes a trigger signal generation unit, and reference numeral 16 denotes a stimulus control unit. As the external stimulus presented by the stimulus presentation unit, at least two types of combinations of stimuli such as an audio-visual stimulus and an electric stimulus that can give the subject a certain change are used. At least one of the two or more types of stimuli is used as a trigger, and a state when the biological information is changed by these external stimuli is set as a stress state. A change value of the biological information is calculated by the threshold calculator. When the threshold value is exceeded, a trigger signal is generated by the trigger signal generation unit, and the biological information analysis unit determines that the state is stressed. The biological information can be changed by an external stimulus that is controlled by the stimulus control unit according to the stress state and presented by the stimulus presentation unit. The stress state can be determined by the threshold calculated by the threshold calculator and the biological information analyzer by using the biological information measured by the biological information measuring unit.
【０００７】[0007]
【実施例】本発明のストレス計測装置の第１の実施例の
構成を図１に示す。FIG. 1 shows the configuration of a first embodiment of the stress measuring device according to the present invention.
【０００８】被験者０１が例えば１０の刺激提示部１と
１１の刺激提示部２から１１０の刺激１と１１１の刺激
２の２種類の刺激をそれぞれ受けているとする。被験者
０１から発生する生体情報のうち、例えば１１２の生体
情報１と、１１３の生体情報２の２種類の生体情報を１
２の生体情報計測部で計測する。生体情報計測部１２で
計測、増幅された生体情報は１１４の生体情報１′及び
１１５の生体情報２′として、それぞれ１４の生体情報
解析部及び１３の閾値算出部に送られる。１３の閾値算
出部では、１１０の刺激１や１１１の刺激２によって１
１５の生体情報２′の変化がどの程度変化するかを数値
で示し、１４の生体情報解析部１１４の生体情報１′を
解析するかどうかの値を算出する。閾値算出部１３で算
出された値は１１６の閾値として１５のトリガ信号発生
部に送られる。１５のトリガ信号発生部には、１６の刺
激制御部から送られる１１７のトリガ信号１が送られ、
１１６の閾値によって、１１８のトリガ信号２として１
４の生体情報解析部に送られ、１１８のトリガ信号２が
送られてきたときに、１１４の生体情報１′の解析を行
う。結果は１１９の解析結果として１６の刺激制御部に
送られる。ここでは１４の生体情報解析部で１１４の生
体情報１′が解析されなかった場合、前回と同様の刺激
を１７の刺激提示部１及び１８の刺激提示部２より提示
するように、１２０の刺激制御信号１及び１２１の刺激
制御信号２及び１０の刺激提示部１及び１１の刺激提示
部２に送る。It is assumed that the subject 01 receives two kinds of stimuli, for example, stimulus presenting units 1 and 11 from stimulus presenting units 2 and 110, respectively. Of the biometric information generated from the subject 01, for example, two types of biometric information of 112 biometric information 1 and 113 biometric information 2
The measurement is performed by the biological information measurement unit 2. The biological information measured and amplified by the biological information measuring unit 12 is sent to the biological information analyzing unit 14 and the threshold calculating unit 13 as biological information 1 'and biological information 2' respectively. In the thirteenth threshold calculation unit, 1 is determined by 110 stimuli 1 and 111 stimuli 2.
A numerical value indicates how much the change of the 15 biological information 2 ′ changes, and calculates a value of whether to analyze the biological information 1 ′ of the 14 biological information analyzing unit 114. The value calculated by the threshold calculator 13 is sent to the 15 trigger signal generators as a threshold of 116. To the 15 trigger signal generation units, 117 trigger signals 1 sent from the 16 stimulus control units are sent,
With a threshold of 116, 1 as a trigger signal 2 of 118
When the trigger signal 2 of 118 is sent to the biological information analysis unit of No. 4, the biological information 1 ′ of 114 is analyzed. The result is sent to 16 stimulus control units as an analysis result of 119. Here, when the biological information 1 'of 114 is not analyzed by the biological information analyzing section 14, the stimulus of 120 is provided so that the same stimulus as the previous time is presented from the stimulus presenting sections 1 and 2 of 17 and 18. The stimulus control signals 2 and 10 of the control signals 1 and 121 are sent to the stimulus presentation unit 2 of the stimulus presentation units 1 and 11.
【０００９】自律神経系として脈波、中枢神経系として
脳波を用いた例を示す。１０の刺激提示装置１にフラッ
シュを、１１の刺激提示装置２にスピーカを用い、光刺
激、音刺激をそれぞれ１１０の刺激１、１１１の刺激２
とする。被験者０１から計測する生体情報として例えば
１１２の生体情報１に脳波、１１３の生体情報２に脈波
を用いる。１２の生体情報計測部に例えば日本電気三栄
（株）製の生体信号増幅器６Ｒ１２及び日本電気三栄
（株）製のポリグラフ３６０システムを用いてそれぞれ
の生体情報を計測し、例えば日本電気（株）製ＰＣ−９
８０１を用いる閾値算出部１３で１１５の脈波の振幅変
動を計算し、変化の程度を算出する。この結果を１１６
の閾値として１５のトリガ信号発生部に送る。１６の刺
激制御部に用いる例えば日本電気（株）製ＰＣ−９８０
１より１１７のトリガ信号１が１５のトリガ信号発生部
にパルスで送られ、脈波の振幅が閾値より小さくなった
ら１４の生体情報解析部に用いる例えば日本電気三栄
（株）製のシグナルプロセッサＤＰ１１００に１１９の
トリガ信号２を送る。脈波の振幅の変動は図２に示すよ
うにある時刻ｔの振幅ｒt と計測初期の時刻ｔ0 の振幅
Ｒt0の比で求まり、閾値はその比より決定する。１４の
生体情報解析部に１１８のトリガ信号が送られてきたと
きに、１１４の脳波データが解析され、解析を行ったか
どうかの信号が、１１９の解析結果として１６の刺激制
御部に送られる。解析が行われなかった場合、前回と同
様の刺激を１０のフラッシュ及び１１のスピーカより提
示するように、１２０の刺激制御信号１及び１２１の刺
激制御信号２を送る。解析が行われた場合、前回と異な
る刺激を１０のフラッシュ及び１１のスピーカより提示
するように、１２０の刺激制御信号１及び１２１の刺激
制御信号２を送る。An example in which pulse waves are used as the autonomic nervous system and brain waves are used as the central nervous system will be described. A flash is used for 10 stimulus presentation devices 1 and a speaker is used for 11 stimulus presentation devices 2, and light stimulus and sound stimulus are 110 stimulus 1 and 111 stimulus 2 respectively.
And As biological information measured from the subject 01, for example, brain waves are used as biological information 1 of 112 and pulse waves are used as biological information 2 of 113. Twelve biological information measuring units measure respective biological information by using, for example, a biological signal amplifier 6R12 manufactured by NEC Sanei Co., Ltd. and a polygraph 360 system manufactured by NEC Sanei Co., Ltd., for example, manufactured by NEC Corporation. PC-9
The threshold calculator 13 using 801 calculates the amplitude fluctuation of the pulse wave at 115 and calculates the degree of change. The result is 116
Is sent to the 15 trigger signal generators as the threshold value. For example, PC-980 manufactured by NEC Corporation used for 16 stimulation control units
A trigger signal 1 from 1 to 117 is sent as a pulse to 15 trigger signal generation units, and when the amplitude of the pulse wave becomes smaller than the threshold value, a signal processor DP1100 manufactured by NEC Sanei Co., Ltd. is used for 14 biological information analysis units. Trigger signal 2 of 119 is sent. Variation of the amplitude of the pulse wave Motomari the ratio of the amplitude R t0 amplitude r t and the measurement initial time t 0 the time t in the 2, the threshold value is determined from the ratio. When the trigger signal of 118 is sent to the 14 biological information analysis units, the electroencephalogram data of 114 is analyzed, and a signal as to whether or not the analysis has been performed is sent to the 16 stimulation control units as an analysis result of 119. When the analysis is not performed, the stimulus control signal 1 of 120 and the stimulus control signal 2 of 121 are sent so that the same stimulus as the previous time is presented from the 10 flashes and 11 speakers. When the analysis is performed, the stimulus control signals 1 of 120 and the stimulus control signals 2 of 121 are sent so that the stimuli different from the previous time are presented from the 10 flashes and the 11 speakers.
【００１０】このようにして、脈波の振幅が閾値より小
さくなったときのみ生体情報解析を行うことにより、ス
トレス計測が可能になる。In this way, stress measurement can be performed by performing biological information analysis only when the amplitude of the pulse wave becomes smaller than the threshold value.
【００１１】次に体性神経系として瞬目、内分泌系とし
て唾液中の成分を用いた例を示す。１０の刺激提示装置
１にスピーカを、１１の刺激提示装置２に刺激用針を用
い、音刺激、痛み刺激をそれぞれ１１０の刺激１、１１
１の刺激２とする。被験者０１から計測する生体情報と
して例えば１１２の生体情報１に唾液中の成分、１１３
の生体情報２に瞬目を用いる。１２の生体情報計測部に
例えば日本電気三栄（株）製のポリグラフ３６０システ
ム及び成分分析装置を用いてそれぞれの生体情報を計測
し、例えば日本電気（株）製ＰＣ−９８０１を用いる閾
値算出部１３で１１５の瞬目数の変動を計算し、変化の
程度を算出する。この結果を１１６の閾値として１５の
トリガ信号発生部に送る。１６の刺激制御部に用いる例
えば日本電気（株）製ＰＣ−９８０１より１１７のトリ
ガ信号１が１５のトリガ信号発生部にパルスで送られ、
瞬目数が閾値より小さくなったら１４の生体情報解析部
に用いる例えば日本電気（株）製ＰＣ−９８０１に１１
９のトリガ信号２を送る。瞬目数の変化は、図３に示す
ように、ある時間ｔの間の瞬目数ｎt と、計測初期のあ
る時間ｔ0 の間の瞬目数ｎt0の比で求まり、閾値はその
比より決定される。１４の生体情報解析部に１１８のト
リガ信号が送られてきたときに、１１４の唾液中成分が
解析され、解析を行ったかどうかの信号が、１１９の解
析結果として１６の刺激制御部に送られる。解析が行わ
れなかった場合、前回と同様の刺激を１０のスピーカ及
び１１の刺激用針より提示するように、１２０の刺激制
御信号１及び１２１の刺激制御信号２を送る。解析が行
われた場合、前回と異なる刺激を１０のスピーカ及び１
１の刺激用針より提示するように、１２０の刺激制御信
号１及び１２１の刺激制御信号２を送る。Next, an example is described in which blinks are used as a somatic nervous system and saliva components are used as an endocrine system. Using a speaker for the 10 stimulus presentation devices 1 and a stimulating needle for the 11 stimulus presentation devices 2, 110 sound stimuli 1 and 11 are used for sound stimulus and pain stimulus, respectively.
1. Stimulus 2 of 1. As the biological information measured from the subject 01, for example, the components in saliva,
The blink is used for the biological information 2 of. Twelve biological information measuring units measure respective biological information using, for example, a Polygraph 360 system and a component analyzer manufactured by NEC Sanei Co., Ltd., and a threshold calculating unit 13 using, for example, PC-9801 manufactured by NEC Corporation To calculate the change in the number of blinks at 115, and calculate the degree of change. The result is sent to 15 trigger signal generators as a threshold of 116. For example, a trigger signal 1 of 117 is sent from a PC-9801 manufactured by NEC Corporation to the 15 trigger signal generators in pulses for use in the 16 stimulation control units,
When the number of blinks becomes smaller than the threshold value, for example, the PC-9801 manufactured by NEC Corporation used for 11
9 is transmitted. Change in blinking speed, as shown in FIG. 3, and the blinking number n t between the time t is, Motomari in blinking ratio of the number n t0 between the time t 0 with a measuring initial, threshold thereof Determined from the ratio. When the trigger signal of 118 is sent to the biological information analyzing section of 14, the saliva component of 114 is analyzed, and a signal as to whether or not the analysis is performed is sent to the stimulation control section of 16 as the analysis result of 119. . When the analysis is not performed, the stimulus control signals 1 of 120 and the stimulus control signals 2 of 121 are transmitted so that the same stimulus as the previous time is presented from the 10 speakers and the 11 stimulating needles. If the analysis was performed, a different stimulus from the previous
A stimulus control signal 1 of 120 and a stimulus control signal 2 of 121 are transmitted so as to be presented from one stimulating needle.
【００１２】このようにして、瞬目数が閾値より小さく
なったときのみ生体情報解析を行うことにより、ストレ
ス計測が可能になる。In this manner, stress measurement can be performed by performing biological information analysis only when the number of blinks becomes smaller than the threshold value.
【００１３】[0013]
【発明の効果】本発明により、刺激に対してストレスを
誘発し、人間の状態に従ってストレスが計測できるよう
になった。これは自分自身が気がつきにくいストレスを
定量的に示すことにより、自分の健康を確保するために
有効な装置である。According to the present invention, stress can be induced in response to a stimulus, and the stress can be measured according to a human condition. This is an effective device for assuring one's own health by quantitatively showing stress that is difficult for oneself to notice.
【図１】本発明のストレス計測装置の実施例を示すブロ
ック図。FIG. 1 is a block diagram showing an embodiment of a stress measuring device according to the present invention.
【図２】実施例で用いた脈波の変動を示す図。FIG. 2 is a diagram showing a fluctuation of a pulse wave used in the embodiment.
【図３】実施例で用いた瞬目数の変動を示す図。FIG. 3 is a diagram showing a change in the number of blinks used in the embodiment.
０１ 被験者 １０ 刺激提示部１ １１ 刺激提示部２ １２ 生体情報計測部 １３ 閾値算出部 １４ 生体情報解析部 １５ トリガ信号発生部 １６ 刺激制御部 １０１ 刺激 １０２ 生体情報 １０３ 生体情報 １０４ 生体情報 １０５ 閾値 １０６ トリガ信号２ １０７ 解析結果 １０８ トリガ信号１ １０９ 刺激制御信号 １１０ 刺激１（光） １１１ 刺激２（音） １１２ 生体情報１（脳波） １１３ 生体情報２（脈波） １１４ 生体情報１′（脳波） １１５ 生体情報２′（脈波） １１６ 閾値 １１７ トリガ信号１ １１８ トリガ信号２ １１９ 解析結果 １２０ 刺激制御信号１ １２１ 刺激制御信号２ １２２ 脈波 １２３ 閾値 １２４ 瞬目 01 subject 10 stimulus presentation unit 1 11 stimulus presentation unit 2 12 biometric information measurement unit 13 threshold calculation unit 14 biometric information analysis unit 15 trigger signal generation unit 16 stimulus control unit 101 stimulus 102 biometric information 103 biometric information 104 biometric information 105 threshold 106 trigger Signal 2 107 Analysis result 108 Trigger signal 1 109 Stimulation control signal 110 Stimulus 1 (light) 111 Stimulus 2 (sound) 112 Biological information 1 (brain wave) 113 Biological information 2 (pulse wave) 114 Biological information 1 '(brain wave) 115 Living body Information 2 ′ (pulse wave) 116 Threshold 117 Trigger signal 1 118 Trigger signal 2 119 Analysis result 120 Stimulation control signal 1 121 Stimulation control signal 2 122 Pulse wave 123 Threshold 124 Blink
Claims (1)
神経系、内分泌系等の生体情報を定量的に計測する生体
情報計測部と、少なくとも一種類以上の 前記生体情報を用いて被計測者
の生体情報の変化を捉え、その変化の程度の閾値を計算
する閾値算出部と、 前記閾値算出部によって算出された閾値に従ってトリガ
信号を発生するトリガ信号発生部と、 前記生体情報計測部で計測された生体情報と前記トリガ
信号が送られてきたときに被計測者の生体内部状態を推
定する生体情報解析部と、 前記生体情報解析部で解析された生体内部状態を用いて
被計測者に提示する刺激を変化させる刺激制御部と、 前記刺激制御部で制御された信号に従い、被計測者に刺
激を提示する刺激提示部と を含むことを特徴とするストレス計測装置。1. A biological information measuring unit for quantitatively measuring biological information such as an autonomic nervous system, a central nervous system, a somatic nervous system, and an endocrine system of a subject, and at least one kind of the biological information is used. A threshold calculation unit that captures a change in the biological information of the subject and calculates a threshold of the degree of the change; a trigger signal generation unit that generates a trigger signal according to the threshold calculated by the threshold calculation unit; The biological information measured by the measuring unit and the trigger
A biological information analyzer for estimating the internal state of the subject when a signal is transmitted; and a stimulus for changing a stimulus to be presented to the subject using the internal state of the living body analyzed by the biological information analyzer. A stress measurement device comprising: a control unit; and a stimulus presentation unit that presents a stimulus to a subject according to a signal controlled by the stimulus control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6115222A JP2908238B2 (en) | 1994-05-27 | 1994-05-27 | Stress measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6115222A JP2908238B2 (en) | 1994-05-27 | 1994-05-27 | Stress measurement device |
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| JPH07313494A JPH07313494A (en) | 1995-12-05 |
| JP2908238B2 true JP2908238B2 (en) | 1999-06-21 |
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| JP6115222A Expired - Fee Related JP2908238B2 (en) | 1994-05-27 | 1994-05-27 | Stress measurement device |
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| JP (1) | JP2908238B2 (en) |
Cited By (1)
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|---|---|---|---|---|
| JP2009178456A (en) * | 2008-01-31 | 2009-08-13 | Nippon Koden Corp | Autonomic nerve activity measuring apparatus and measuring method |
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| JP5352029B1 (en) * | 2011-10-18 | 2013-11-27 | パナソニック株式会社 | Auditory event-related potential measurement system, auditory event-related potential measurement device, auditory event-related potential measurement method, and computer program therefor |
| CN103189001B (en) * | 2011-10-19 | 2015-11-25 | 松下电器产业株式会社 | Auditory event-related potential measuring system, auditory event-related potential measuring method |
| JP6517095B2 (en) * | 2015-07-01 | 2019-05-22 | 浜松ホトニクス株式会社 | Saliva measurement method |
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| JPS4849285A (en) * | 1971-10-25 | 1973-07-11 | ||
| JPH01113026A (en) * | 1987-10-28 | 1989-05-01 | Hitachi Ltd | Interview system |
| JP2505290B2 (en) * | 1988-10-04 | 1996-06-05 | 福原 真知子 | Biological behavior response analysis system |
| JPH05245122A (en) * | 1992-03-06 | 1993-09-24 | Nippondenso Co Ltd | Device for detecting degree of fatigue and device for recovering fatigue |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009178456A (en) * | 2008-01-31 | 2009-08-13 | Nippon Koden Corp | Autonomic nerve activity measuring apparatus and measuring method |
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| JPH07313494A (en) | 1995-12-05 |
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