內(nèi)-外傾人群情緒體驗前額葉激活的差異：一項fNIRs研究
發(fā)布時間：2018-08-06 08:51
【摘要】：情緒,圍繞在世界的每一個角落,只要有人的地方都會有各種各樣的情緒。情緒影響許多認(rèn)知過程,如知覺、判斷、推理和創(chuàng)造力。情感體驗是個體主觀感受或感知的情感狀態(tài)。內(nèi)—外傾人格與情感活動密切相關(guān),人格特質(zhì)不僅影響人的社會適應(yīng)性和主觀幸福感,而且還與人的能力、焦慮、沖動產(chǎn)生的情緒行為障礙密切相關(guān)。在以往的研究中,外向和情緒表達之間的關(guān)系會影響到情緒易感性,如外向性人格得分較高的群體面對刺激會有更高的積極情緒反應(yīng)。所以,在情緒體驗過程中一定會出現(xiàn)內(nèi)外傾的差異。功能近紅外技術(shù)(fNIRs)是基于近紅外光在腦組織中的吸收和朗伯-比爾定律。光線在組織中被特定的化合物吸收,造成光的衰減。這些化合物被稱為"生色團”,如水、脂質(zhì)、黑色素、肌紅蛋白、細胞色素、氧和血紅蛋白、去氧血紅蛋白等。這些生色團各自有自己特定的吸收波長。這些生色團的功能狀態(tài)則決定著光譜的吸收特征,血紅蛋白的吸收光譜取決于其氧化還原狀態(tài)。人體的各類成分,比如皮膚、顱骨、氧合血紅蛋白、脫氧血紅蛋白以及細胞色素對近紅外光均有不同程度的吸收和散射,使透射光出現(xiàn)衰減。因為顱骨、皮膚組織的幾何條件相對固定,顱內(nèi)衰減主要原因在于氧和血紅蛋白、脫氧血紅蛋白對光的吸收。根據(jù)計算衰減前后光的數(shù)量,可揭示出到大腦皮層的功能狀態(tài)。已有研究表明情緒體驗存在著性別差異,本研究為了規(guī)避性別差異,在被試選取上全部為女性。本研究目的是通過研究不同人格特質(zhì)的女性在面對情緒性刺激時不同的腦區(qū)反應(yīng),利用近紅外功能成像來記錄女性在觀看情緒視頻時的腦區(qū)活動,揭示不同人格群體的情緒差異。本研究使用《艾森克人格問卷簡式量表中國版》來進行被試的篩選工作,并且使用自我情緒評定量表(Self-Assessment Manikin)對被試的情緒進行評定,運用techen第六代連續(xù)波近紅外功能成像系統(tǒng)(cw6)采集被試前額葉的血樣動力學(xué)數(shù)據(jù),結(jié)果發(fā)現(xiàn):在悲傷情緒中,兩組被試的獨立樣本t檢驗結(jié)果顯示,內(nèi)傾組和外傾組在悲傷情緒下的喚醒度存在顯著差異,效價的差異也顯著。血樣動力學(xué)方面,外傾組被試在A、B、C、D4個souce和10個detector組成的16個通道中的HbT濃度均高于內(nèi)傾組。外傾組在0-60s中血氧總濃度升高,并保持穩(wěn)定。而內(nèi)傾組的HbT濃度在A1、B4、B5、C5、C7、D7、D8通道中在20s之后出現(xiàn)了輕微的下降。在恐懼情緒中,對兩組被試的情緒自評結(jié)果進行獨立樣本t檢驗,結(jié)果顯示,內(nèi)傾組和外傾組的喚醒度存在顯著差異,同時兩組的情緒效價水平也存在差異。內(nèi)傾組和外傾組的血氧水平變化存在差異,從圖中我們可以看出,外傾組各個通道在刺激開始的0s-60s中總氧濃度上升,并保持穩(wěn)定,額葉激活明顯,而內(nèi)傾組的血氧變化波幅較大,在-40s-0s開始出現(xiàn)波動,0s-20s血氧濃度有較大爬升,之后在sourceA和sourceB中的各個通道中的20s之后血氧濃度有下降。在愉快類型中,從兩組的獨立樣本t檢驗結(jié)果中可以看出,愉快情緒對內(nèi)傾組和外傾組的喚醒存在顯著差異,愉快情緒在內(nèi)傾組和外傾組上的效價水平差異邊緣顯著。外傾組在愉快視頻出現(xiàn)的0s-60s中血氧濃度上升有限,但總體呈上升趨勢,除A1和D9通道在20s之后有明顯下降,推測可能是由于外界噪音。而面對愉快類型的刺激,內(nèi)傾組的血氧水平與恐懼時的血氧水平有一定的相似性,波動較大,血氧有變化,但是在刺激呈現(xiàn)約20s之后血氧濃度呈現(xiàn)下降趨勢。在輕松情緒中,在對兩組被試的獨立樣本t檢驗中發(fā)現(xiàn),輕松氛圍對內(nèi)傾組和外傾組的喚醒差異不顯著,兩組的情緒效價存在顯著差異。內(nèi)傾和外傾在刺激呈現(xiàn)后的HbT濃度變化都不明顯,然而內(nèi)傾組在刺激呈現(xiàn)40s之后血氧濃度會有一個短暫的爬升,推測可能是因為情緒喚醒的延遲。在中性刺激中,兩組在喚醒和效價上的差異均不顯著,無統(tǒng)計學(xué)意義。在血氧變化方面,兩組的血氧濃度均呈下降趨勢,額葉激活不明顯,此處也有額葉激活的延遲效應(yīng),內(nèi)傾組血氧水平在刺激出現(xiàn)的0s-50s下降更為明顯,B3、B4、B5、B6通道在50s之后血氧水平有提升。
[Abstract]:Emotion, around every corner of the world, has a variety of emotions as long as there are people. Emotions affect many cognitive processes, such as perception, judgment, reasoning and creativity. Emotional experience is a state of subjective feeling or perception. Internal extroversion is closely related to emotional activity, and personality traits not only affect human society. In the previous study, the relationship between extrovert and emotional expression could affect emotional susceptibility, such as extroverted groups with higher scores, which would have higher positive emotional responses in the face of prickly stimulation. So, in the emotional body. FNIRs is based on absorption of near infrared light in brain tissue and Lambert Bill's law. Light is absorbed by specific compounds in tissue and causes light attenuation. These compounds are called "chromophores", such as water, lipid, melanin, myoglobin, cytochrome, oxygen, and oxygen. And hemoglobin, hemoglobin, deoxyhemoglobin, and so on. These chromophores each have their own specific absorption wavelengths. The functional states of these chromophores determine the absorption characteristics of the spectrum. The absorption spectrum of hemoglobin depends on its redox state. Various components of the body, such as skin, skull, oxygenated hemoglobin, deoxyhemoglobin and There are different degrees of absorption and scattering of cytochrome to the near infrared light, which attenuates the transmission light. Because the skull, the geometric conditions of the skin tissue are relatively fixed, the main reason for the intracranial attenuation is the absorption of oxygen and hemoglobin and deoxygenated hemoglobin. The function of the decaying light can reveal the function of the cerebral cortex. The purpose of this study is to study the different brain responses of women with different personality traits in the face of emotional stimuli and the use of near infrared imaging to record women when watching emotional video. The activity of the brain region revealed the emotional differences of different personality groups. This study used the Eysenck Personality Questionnaire (Eysenck) simplified Chinese version to conduct the screening work, and used the self Emotion Rating Scale (Self-Assessment Manikin) to assess the emotion of the subjects and use the techen sixth generation continuous wave near-infrared imaging system (cw6 The data of blood samples from the prefrontal lobes of the subjects were collected. In the sad mood, the results of the independent sample t test of the two groups showed that there was a significant difference in the waking degree of the introverted and extroverted groups and significant differences in the titer. The extroversion group was made up of A, B, C, D4 souce and 10 detector components. The concentration of HbT in the 16 channels was higher than that in the introverted group. The total oxygen concentration in the extroversion group increased in 0-60s and remained stable. The HbT concentration in the introverted group decreased slightly in the A1, B4, B5, C5, C7, D7, D8 channels after 20s. In the fear, the independent sample t test was carried out for the self evaluation results of the two groups of subjects. The results showed that the introversion was introverted. There was a significant difference in the arousal degree between the group and the extroversion group. At the same time, there was a difference in the level of emotional titer in the two groups. There was a difference in the change of blood oxygen level in the introverted and extroverted groups. From the picture we can see that the total oxygen concentration in the extroverted group increased in the 0s-60s of the beginning of the stimulation, and remained stable, the frontal lobe was activated obviously, and the blood of the introverted group was in the introverted group. The amplitude of oxygen change began to fluctuate at the beginning of -40s-0s, and the oxygen concentration of 0s-20s had a great climb, and after 20s in each channel in sourceA and sourceB, the concentration of blood oxygen decreased. In the happy type, there was a significant difference between the awakening of the introverted and extroverted groups from the results of the independent sample t test of the two groups. The difference in the titer level of the extroversion group and the extroversion group was very marginal. The increase of oxygen concentration in the extroversion group was limited in the 0s-60s of happy video, but the overall increase trend, except for the A1 and D9 channels after 20s, was obviously due to external noise. There is a certain similarity between the level of blood oxygen in peace and fear, the fluctuation is larger, the blood oxygen is changed, but the blood oxygen concentration decreases after the stimulus is about 20s. In the relaxed mood, in the independent sample t test of the two groups of subjects, the difference of awakening of the relaxed atmosphere to the introverted group and the leaning group is not significant, and the emotional titer of the two groups is stored. There were significant differences. There was no obvious change in the concentration of HbT after the extroversion and extroversion. However, in the introverted group, the concentration of blood oxygen would have a short climb after the stimulation of 40s. It was presumed that the delay of emotional arousal. In the neutral stimulus, there was no significant difference between the two groups in arousal and titer. In the two groups, the blood oxygen concentration in the two groups declined, the frontal lobe activation was not obvious, there was also the delayed effect of frontal lobe activation, and the decrease of oxygen level in the introverted group was more obvious, B3, B4, B5, and the blood oxygen level of the B6 channel increased after 50s.
【學(xué)位授予單位】：信陽師范學(xué)院
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：B842.6
本文編號：2167188
[Abstract]:Emotion, around every corner of the world, has a variety of emotions as long as there are people. Emotions affect many cognitive processes, such as perception, judgment, reasoning and creativity. Emotional experience is a state of subjective feeling or perception. Internal extroversion is closely related to emotional activity, and personality traits not only affect human society. In the previous study, the relationship between extrovert and emotional expression could affect emotional susceptibility, such as extroverted groups with higher scores, which would have higher positive emotional responses in the face of prickly stimulation. So, in the emotional body. FNIRs is based on absorption of near infrared light in brain tissue and Lambert Bill's law. Light is absorbed by specific compounds in tissue and causes light attenuation. These compounds are called "chromophores", such as water, lipid, melanin, myoglobin, cytochrome, oxygen, and oxygen. And hemoglobin, hemoglobin, deoxyhemoglobin, and so on. These chromophores each have their own specific absorption wavelengths. The functional states of these chromophores determine the absorption characteristics of the spectrum. The absorption spectrum of hemoglobin depends on its redox state. Various components of the body, such as skin, skull, oxygenated hemoglobin, deoxyhemoglobin and There are different degrees of absorption and scattering of cytochrome to the near infrared light, which attenuates the transmission light. Because the skull, the geometric conditions of the skin tissue are relatively fixed, the main reason for the intracranial attenuation is the absorption of oxygen and hemoglobin and deoxygenated hemoglobin. The function of the decaying light can reveal the function of the cerebral cortex. The purpose of this study is to study the different brain responses of women with different personality traits in the face of emotional stimuli and the use of near infrared imaging to record women when watching emotional video. The activity of the brain region revealed the emotional differences of different personality groups. This study used the Eysenck Personality Questionnaire (Eysenck) simplified Chinese version to conduct the screening work, and used the self Emotion Rating Scale (Self-Assessment Manikin) to assess the emotion of the subjects and use the techen sixth generation continuous wave near-infrared imaging system (cw6 The data of blood samples from the prefrontal lobes of the subjects were collected. In the sad mood, the results of the independent sample t test of the two groups showed that there was a significant difference in the waking degree of the introverted and extroverted groups and significant differences in the titer. The extroversion group was made up of A, B, C, D4 souce and 10 detector components. The concentration of HbT in the 16 channels was higher than that in the introverted group. The total oxygen concentration in the extroversion group increased in 0-60s and remained stable. The HbT concentration in the introverted group decreased slightly in the A1, B4, B5, C5, C7, D7, D8 channels after 20s. In the fear, the independent sample t test was carried out for the self evaluation results of the two groups of subjects. The results showed that the introversion was introverted. There was a significant difference in the arousal degree between the group and the extroversion group. At the same time, there was a difference in the level of emotional titer in the two groups. There was a difference in the change of blood oxygen level in the introverted and extroverted groups. From the picture we can see that the total oxygen concentration in the extroverted group increased in the 0s-60s of the beginning of the stimulation, and remained stable, the frontal lobe was activated obviously, and the blood of the introverted group was in the introverted group. The amplitude of oxygen change began to fluctuate at the beginning of -40s-0s, and the oxygen concentration of 0s-20s had a great climb, and after 20s in each channel in sourceA and sourceB, the concentration of blood oxygen decreased. In the happy type, there was a significant difference between the awakening of the introverted and extroverted groups from the results of the independent sample t test of the two groups. The difference in the titer level of the extroversion group and the extroversion group was very marginal. The increase of oxygen concentration in the extroversion group was limited in the 0s-60s of happy video, but the overall increase trend, except for the A1 and D9 channels after 20s, was obviously due to external noise. There is a certain similarity between the level of blood oxygen in peace and fear, the fluctuation is larger, the blood oxygen is changed, but the blood oxygen concentration decreases after the stimulus is about 20s. In the relaxed mood, in the independent sample t test of the two groups of subjects, the difference of awakening of the relaxed atmosphere to the introverted group and the leaning group is not significant, and the emotional titer of the two groups is stored. There were significant differences. There was no obvious change in the concentration of HbT after the extroversion and extroversion. However, in the introverted group, the concentration of blood oxygen would have a short climb after the stimulation of 40s. It was presumed that the delay of emotional arousal. In the neutral stimulus, there was no significant difference between the two groups in arousal and titer. In the two groups, the blood oxygen concentration in the two groups declined, the frontal lobe activation was not obvious, there was also the delayed effect of frontal lobe activation, and the decrease of oxygen level in the introverted group was more obvious, B3, B4, B5, and the blood oxygen level of the B6 channel increased after 50s.
【學(xué)位授予單位】：信陽師范學(xué)院
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：B842.6
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