身体姿势表情识别的大脑功能偏侧化与合作加工
发布时间：2018-11-24 14:10
【摘要】：本研究以身体姿势表情图片为实验材料,采用新的偏侧化研究范式,通过两个实验探究正置与倒置条件下身体姿势表情识别的大脑功能偏侧化与合作加工。实验一采用方向(正置、倒置)、干扰刺激位置(左干扰、右干扰、无干扰)和情绪性(有表情、无表情)的设计,任务是判断呈现的身体姿势图片有无表情。结果显示:正置的正确率和反应时的方向的主效应都显著,出现了明显的倒置效应;情绪性的正确率和反应时主效应都显著,表现为有表情的姿势图片识别的正确率显著高于中性姿势图片,有表情的姿势图片识别的反应时显著短于中性身体表情的反应时。但是,在正确率和反应时上干扰刺激位置的主效应都不显著,各变量间的交互效应在正确率和反应时上均不显著。这些结果表明,在无需外显加工效价的条件下正置与倒置的身体姿势表情识别都没有出现偏侧化加工与合作加工的效应。实验二采用方向(正置、倒置)、干扰刺激位置(左干扰、右干扰、无干扰)和情绪效价(恐惧、愤怒、高兴)的设计,任务是判断身体姿势表情表达的情绪效价。结果显示:(1)在正确率上正置高于倒置的方向主效应显著;在正确率和反应时上情绪效价的主效应都显著;在正确率和反应时上干扰刺激位置的主效应都不显著。(2)方向和情绪效价的交互作用在正确率和反应时上都显著,表现为:愤怒和高兴身体姿势表情识别的正确率都出现了倒置效应,但恐惧和高兴身体姿势表情识别的反应时出现了倒置效应的反转。(3)干扰刺激位置和情绪效价的交互作用在正确率上不显著,但在反应时上显著,表现为只有愤怒身体姿势表情在无干扰条件下的反应时显著短于左干扰和右干扰的反应时。这些结果表明,在需要外显加工效价的条件下,身体姿势表情识别的倒置效应会受到情绪效价的影响,但是,在正确率上倾向于出现倒置效应,而反应时上则出现反转。而且,尽管正置与倒置的身体姿势表情识别没有出现偏侧化,但愤怒的身体姿势表情加工可能存在半球间的合作效应。研究结论:(1)身体姿势表情的识别可能不存在明显的半球偏侧化效应,这与身体姿势表征的脑区分布于大脑左右两半球有关;(2)只有愤怒身体姿势表情的识别出现了半球间的合作效应,这可能与愤怒身体表情的加工较难有关;(3)任务加工条件会影响方向与情绪效价交互效应,以及干扰刺激位置与情绪效价的交互效应。
[Abstract]:In this study, the body posture expression images were used as experimental materials, and a new lateralization paradigm was used to explore the lateralization and co-processing of the brain function of body posture facial expression recognition under positive and inverted conditions through two experiments. In experiment 1, the design of direction (positive, inverted), interference of stimulus position (left interference, right interference, no interference) and emotion (expressionless, expressionless) was used. The task of the experiment was to judge whether there was an expression in the body pose picture. The results showed that the positive correct rate and the main effect of the direction of reaction were significant, and obvious inversion effect appeared. The correct rate of emotion and the main effect of reaction time were significant, which showed that the correct rate of recognition of facial pose picture was significantly higher than that of neutral pose picture, and the response time of facial pose image recognition was significantly shorter than that of neutral body expression. However, the main effect of interfering the stimulus position in the correct rate and the response time is not significant, and the interaction effect among the variables is not significant in the correct rate and the response time. These results show that neither positive nor inverted body postural facial expression recognition has the effect of sideways processing and cooperative processing without explicit processing titer. In experiment 2, the design of direction (positive, inverted), interference of stimulating position (left, right, no interference) and emotional titer (fear, anger, joy) was used. The task was to judge the emotional titer of the expression of body postural expression. The results showed that: (1) the main effect of the correct rate was higher than that of the inverted direction, and the main effect of emotional titer was significant in the correct rate and reaction time; (2) the interaction between direction and emotion titer was significant in both correct rate and response time. The results are as follows: the correct rate of recognition of body posture and expression of anger and joy is reversed, But there was a reversal of the reverse effect in the reaction of recognition of fear and happy body postural expression. (3) the interaction between the interfering position and the emotional titer was not significant in the correct rate, but it was significant in the reaction time. The response time of only angry body postural expression was significantly shorter than that of left interference and right interference. These results show that the inversion effect of body postural expression recognition will be affected by emotional titer when explicit processing titer is needed, but the correct rate tends to be inverted and the reaction time is reversed. Furthermore, although there is no lateralization in positive and inverted body postural facial expression recognition, there may be a hemispheric cooperative effect in the process of angry body postural expression. Conclusions: (1) there may be no obvious hemispheric lateralization effect in the recognition of body postural expressions, which is related to the distribution of the brain regions represented by body postures in the left and right hemispheres of the brain; (2) only the recognition of angry body postural expression has the effect of hemispherical cooperation, which may be related to the difficulty of processing angry body expression; (3) the task processing condition will influence the interaction between direction and emotional titer, as well as the interaction effect of interfering stimulus position and emotional titer.
【学位授予单位】：南京师范大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：B842
本文编号：2354021
[Abstract]:In this study, the body posture expression images were used as experimental materials, and a new lateralization paradigm was used to explore the lateralization and co-processing of the brain function of body posture facial expression recognition under positive and inverted conditions through two experiments. In experiment 1, the design of direction (positive, inverted), interference of stimulus position (left interference, right interference, no interference) and emotion (expressionless, expressionless) was used. The task of the experiment was to judge whether there was an expression in the body pose picture. The results showed that the positive correct rate and the main effect of the direction of reaction were significant, and obvious inversion effect appeared. The correct rate of emotion and the main effect of reaction time were significant, which showed that the correct rate of recognition of facial pose picture was significantly higher than that of neutral pose picture, and the response time of facial pose image recognition was significantly shorter than that of neutral body expression. However, the main effect of interfering the stimulus position in the correct rate and the response time is not significant, and the interaction effect among the variables is not significant in the correct rate and the response time. These results show that neither positive nor inverted body postural facial expression recognition has the effect of sideways processing and cooperative processing without explicit processing titer. In experiment 2, the design of direction (positive, inverted), interference of stimulating position (left, right, no interference) and emotional titer (fear, anger, joy) was used. The task was to judge the emotional titer of the expression of body postural expression. The results showed that: (1) the main effect of the correct rate was higher than that of the inverted direction, and the main effect of emotional titer was significant in the correct rate and reaction time; (2) the interaction between direction and emotion titer was significant in both correct rate and response time. The results are as follows: the correct rate of recognition of body posture and expression of anger and joy is reversed, But there was a reversal of the reverse effect in the reaction of recognition of fear and happy body postural expression. (3) the interaction between the interfering position and the emotional titer was not significant in the correct rate, but it was significant in the reaction time. The response time of only angry body postural expression was significantly shorter than that of left interference and right interference. These results show that the inversion effect of body postural expression recognition will be affected by emotional titer when explicit processing titer is needed, but the correct rate tends to be inverted and the reaction time is reversed. Furthermore, although there is no lateralization in positive and inverted body postural facial expression recognition, there may be a hemispheric cooperative effect in the process of angry body postural expression. Conclusions: (1) there may be no obvious hemispheric lateralization effect in the recognition of body postural expressions, which is related to the distribution of the brain regions represented by body postures in the left and right hemispheres of the brain; (2) only the recognition of angry body postural expression has the effect of hemispherical cooperation, which may be related to the difficulty of processing angry body expression; (3) the task processing condition will influence the interaction between direction and emotional titer, as well as the interaction effect of interfering stimulus position and emotional titer.
【学位授予单位】：南京师范大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：B842
【参考文献】
相关期刊论文 前1条
1 何振宏;赵婷;张丹丹;;正立和倒立的威胁性身体表情的识别[J];心理科学;2016年01期
，本文编号：2354021
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