WO2015158100A1 - 情感带宽测定及其情感损伤判别方法 - Google Patents

情感带宽测定及其情感损伤判别方法 Download PDF

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WO2015158100A1
WO2015158100A1 PCT/CN2014/086011 CN2014086011W WO2015158100A1 WO 2015158100 A1 WO2015158100 A1 WO 2015158100A1 CN 2014086011 W CN2014086011 W CN 2014086011W WO 2015158100 A1 WO2015158100 A1 WO 2015158100A1
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emotional
positive
bandwidth
negative
size
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栗觅
吕胜富
王刚
钟宁
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北京工业大学
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/11—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
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    • A—HUMAN NECESSITIES
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    • A—HUMAN NECESSITIES
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
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  • the invention relates to the field of cognitive science and cognitive psychology, in particular to an emotional bandwidth measurement and an emotional damage discrimination method.
  • Previous emotion recognition technologies such as emotion recognition based on voice, face, etc., mainly identify different types of emotions, such as emotions such as happiness, sadness, fear, etc., and for the same type of emotion recognition, such as the degree of happiness (very happy, comparing Happy, etc.) or lack of recognition and quantification of the range of pleasure.
  • the measurement of emotional experience is to present a picture of different types of emotions to the subject.
  • the degree of pleasure of the picture is set to 1 to 9 total of 9 pleasure levels, the most pleasant is 9, and the least pleasant is 1 .
  • Let the subject select a level, and determine the degree of pleasure induced by the subject's emotional picture stimulation according to the level.
  • this method can quantify the degree of emotional experience, it is subjectively influenced by the subject's subjectivity, with ambiguity and uncertainty.
  • Emotional impairment is mainly characterized by low mood, lack of pleasure and loss of interest.
  • the identification and evaluation of emotional damage mainly use auxiliary scales (such as the use of Baker scale and depression self-rating scale, etc.), although it also assists brain waves and eye movement indicators in discriminating and evaluating, but due to lack of direct correlation with mood
  • the emotion index, its discrimination and evaluation is not directly related to the emotional experience, therefore, the recognition rate and accuracy of emotional damage are not high.
  • Emotional bandwidth can describe emotional changes. If the mood is low and the pleasure is lacking, the positive emotional bandwidth will be narrowed significantly, resulting in a narrow range of emotional changes. The emotional experience induced by external positive emotional information stimulation is insufficient, thus generating a sense of happiness. Missing, low mood and other mood disorders.
  • negative cognitive patterns make negative cognitive bias towards cognition of external information
  • non-negative (positive and neutral) visual stimulation bias Cognitive processing with negative psychology. Therefore, for positive and negative emotional stimulation, normal people and emotions The experience of the injured person is completely different: the positive emotional experience of the emotionally injured person is smaller than that of the normal person.
  • the problem to be solved by the present invention is to provide an emotional bandwidth measurement and an emotional damage discrimination method.
  • the present invention first proposed the concept of emotional bandwidth.
  • Emotional bandwidth refers to the size and scope of emotional experiences induced by external stimuli, including positive emotional bandwidth, negative emotional bandwidth, and positive and negative emotional bandwidth.
  • the positive emotional bandwidth is the size and scope of the positive emotional experience induced by the positive positive emotional stimulation of the cognitive individual;
  • the negative emotional bandwidth is the size and extent of the negative emotional experience induced by the external negative emotional stimulation of the cognitive individual;
  • the positive and negative emotional bandwidth is the size and extent of the maximum positive emotional experience and the minimum negative emotional experience of the cognitive individual.
  • the positive emotion bandwidth, the negative emotional bandwidth and the positive and negative emotional bandwidth of the test subject can be determined; on the other hand, the emotional damage of the test subject can be discriminated and evaluated.
  • the technical solution of the present invention includes the following steps:
  • step (1-4) A plurality of positive pictures processed in the step (1-3) are closely combined without overlapping to form a visual stimulation task with positive information;
  • the neutral picture visual stimulus generated by the step (1-5) is presented in the center of the display, allowing the tester to watch for 8 to 10 seconds, and simultaneously using the eye movement device to collect the respective fixation points of the test subject. information;
  • step (1-6) there are m gaze points when the subject views the positive picture, and the pupil diameter average d P of each gaze point is calculated as:
  • the size S PaBW (D) of the positive emotion bandwidth of the subject and the size S PaBW (H) of the positive emotion bandwidth of the healthy control group are obtained .
  • step (2-2) uniformly processing each picture selected in the step (2-1) into a picture of the same size, the same brightness, and the same gray level using image processing software;
  • the subject has n gaze points when viewing negative images, and the pupil diameter average d N of each gaze point is calculated as:
  • the positive-negative affective bandwidth PNaBW (Positive-Negative affective bandwidth) is the size and extent of the maximum positive emotional experience and the minimum negative emotional experience of the cognitive individual.
  • the magnitude of the positive and negative emotional bandwidth PNaBW (S PNaBW ) and the range of variation (R PNaBW ) are obtained according to (1-8) and (2-5):
  • the size of the positive and negative emotional bandwidth of the subject S PNaBW (D), and the size of the positive and negative emotional bandwidth of the healthy control group S PNaBW (H) are obtained.
  • testee 's emotional damage judgment criteria are: the testee 's positive emotional bandwidth S PaBW (D) is smaller than the normal person S PaBW (H), and the test subject's positive and negative emotional bandwidth S PNaBW (D) Also smaller than the normal person S PNaBW (H); the discriminant formula is:
  • the method for measuring the emotional bandwidth of the present invention overcomes the ambiguity and uncertainty of the subjective scoring method for the external emotional experience in the past, and uses the pupil diameter physical index to objectively measure the size and range of the positive and negative emotional experience (positive Emotional bandwidth, negative emotional bandwidth, and positive and negative emotional bandwidth).
  • By measuring the emotional bandwidth of the testee it makes up for the lack of emotional evaluation in the past, and compared with the normal person, it can discriminate and evaluate whether the testee's emotion is damaged.
  • Figure 1 is an overall block diagram of the emotional bandwidth measurement and its emotional damage discrimination method
  • Figure 3 is a flow chart for measuring emotional bandwidth
  • Figure 5 is a comparison of the emotional bandwidth results of the test subject and the normal person
  • Fig. 6 is a graph showing the results of the emotional damage discrimination evaluation of the subject.
  • Figure 1 is a block diagram of the emotional bandwidth measurement and its emotional damage discrimination method. It is divided into three parts: emotional picture task design, emotional bandwidth measurement and depression emotional damage discrimination, including the following steps:
  • the selected images may be different in size, brightness and grayscale. Therefore, these images need to be normalized, and each image is processed to the same size (200*200 pixels) using Photoshop software. ), pictures of the same brightness and the same gray level.
  • the positive emotional picture task of step 1) is presented in the center of a 17-inch color display (with a resolution of 1024*768) (the horizontal and vertical viewing angles are both 12°), allowing the subject to watch for 10 seconds, and The eye movement device is used to synchronously collect the information of each gaze point of the test subject;
  • the neutral emotion picture task of step 1) is presented in the center of the 17-inch color display (resolution 1024*768) (the horizontal viewing angle and the vertical viewing angle are both 12°), let the subject watch for 10 seconds, and use the eye movement device to synchronously collect the information of each gaze point of the test subject;
  • the negative emotion picture task of step 1) is presented on the 17-inch color display (the resolution is The center of 1024*768) (both horizontal and vertical) is 12°; let the subject watch for 10 seconds, and use the eye-moving device to synchronously collect the information of each gaze point of the test subject.
  • the average values of the pupil diameters when the test subject views the least pleasant picture and the neutral picture are calculated as d N and d M , respectively .
  • the size of the positive affective bandwidth PaBW is the difference between the pupil diameter d P when the subject views the most pleasant picture and the pupil diameter d M when viewing the neutral picture, positive emotion
  • the variation range of bandwidth PaBW is 0 to d P -d M , and the calculation formula is as follows:
  • the size of the negative affective bandwidth NaBW is the difference between the pupil diameter d N when the subject views the most unpleasant picture and the pupil diameter d M when viewing the neutral picture, negative
  • the range of variation of emotional bandwidth NaBW is 0 to d N -d M , and the formula is as follows:
  • the positive-negative affective bandwidth PNaBW (Positive-Negative affective bandwidth) is the size range of the maximum positive emotional experience and the minimum negative emotional experience of the cognitive individual.
  • the size of the positive and negative emotional bandwidth PNaBW (S PNaBW ) and the range of variation (S PNaBW ) are calculated as follows:
  • Fig. 5 is a comparison of the magnitude and range of emotional bandwidth of 36 subjects and normal persons determined to be emotionally injured using the Baker scale and the depression self-rating scale provided by the implementation data of the present invention. The results show that the tester's positive emotional bandwidth and positive and negative emotional bandwidth are smaller than normal people, indicating that the testee's positive emotional experience is missing, resulting in low mood and lack of happiness.
  • Fig. 6 is a graph showing the results of emotional damage assessment of 36 subjects determined to be emotionally injured using the Baker scale and the depression self-rating scale provided by the implementation data of the present invention.
  • emotional weight-based emotional damage discrimination and evaluation were performed on 36 people who were assessed as emotionally impaired using a mental scale, 29 people with emotional impairment (80.6%), and 7 persons with unaffected emotions (19.4%). ).

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Abstract

情感带宽测定及其情感损伤判别方法涉及认知科学和认知心理学领域。情感带宽是指认知个体受外界刺激所诱发的情感体验的大小范围，包括正性情感带宽、负性情感带宽和正负情感带宽。情感带宽测定的主要方法为：让被测试者观看正性、中性和负性图片任务各8～10秒，同时使用眼动装置获得各个注视点信息；计算被测试者在观看正性、中性和负性图片任务时的瞳孔直径大小；最后计算出被测试者正性情感带宽（正性-中性）、负性情感带宽（负性-中性）和正负情感带宽（正性-负性）。首次提出了情感带宽的概念，解决了传统情感体验心理测量的模糊性和不确定性，给出情感体验的客观标准以及情感损伤的判断方法。

Description

情感带宽测定及其情感损伤判别方法 技术领域
本发明涉及认知科学和认知心理学领域，具体说是情感带宽测定及其情感损伤判别方法。
背景技术
以往的情感识别技术，例如基于语音、面孔等情感识别主要是识别不同类型的情感，例如高兴、悲伤、恐惧等情感的识别，而对于相同类型的情感识别，例如高兴的程度(很高兴、比较高兴等)或者说对于高兴的范围缺乏识别和量化。
在认知心理学领域，对于情感体验的测定是向被测试者呈现不同类型情绪的图片，图片的愉悦度维度设置为1～9共9个愉悦等级，最愉悦为9，最不愉悦为1。让被测者选择等级，根据等级判定被测试者受情绪图片刺激所诱发的愉悦程度。这种方法虽然能够量化情感体验的程度，但是受被测试者的主观性影响很强，具有模糊性和不确定性。
有研究表明，带有高兴的、快乐的正性情绪信息的图片视觉刺激下，将引起人们产生愉悦的情感体验，其瞳孔直径也会相应变大；带有悲伤的、恐惧的等负性情绪信息的图片视觉刺激下，将诱发人们产生不愉悦的情感体验，其瞳孔直径也会相应变小。因此，瞳孔直径的扩大和缩小的大小变化能够客观地刻画人们情感的变化。
情感损伤主要表现为情绪低落、愉快感缺失和兴趣减退。目前，情感损伤的判别和评估主要使用辅助量表(例如使用贝克量表和抑郁自评量表等)，虽然在判别与评估中也辅助脑波和眼动指标，但是由于缺乏与心境直接相关的情感指标，其判别与评估不是直接与情感体验相关，因此，情感损伤的识别率和准确率不高。情感带宽能够刻画情感变化情况，如果情绪低落、愉快感缺失，那么正性情感带宽会明显收窄，导致情感变化范围缩小，对于外界正性情绪信息刺激所诱发的情感体验不足，因此产生愉快感缺失，情绪低落等心境障碍。另一方面，情感缺失会导致负向认知图式，负向认知图式使其对于外界信息的认知产生负向认知偏向，对于非负性(正性和中性)视觉刺激偏向于以负性心理进行认知处理。因此，对于外界正性情绪刺激和负性情绪刺激，正常人和情感 损伤者的体验完全不同：情感损伤者的正性情绪体验小于正常人。
发明内容
本发明要解决的问题是提供一种情感带宽测定及其情感损伤判别方法。本发明首次提出了情感带宽的概念。情感带宽是指认知个体受外界刺激所诱发的情感体验的大小和范围，包括正性情感带宽、负性情感带宽和正负情感带宽。正性情感带宽是认知个体受外界正性情绪刺激诱发的正性情感体验的大小和范围；负性情感带宽是认知个体受外界负性情绪刺激诱发的负性情感体验的大小和范围；正负情感带宽是认知个体最大正性情感体验与最小负性情感体验的大小和范围。通过该方法一方面可以测定被测试者正性情感带宽、负性情感带宽和正负情感带宽的大小与范围；另一方面可以对被测试者情感损伤进行判别与评估。
为达到上述目的，本发明的技术方案包括下列步骤：
1、情感带宽测定方法
(1)正性情感带宽测定方法
(1-1)从国际情感图片库中选取愉悦度大于8.0且唤醒度大于5.0的若干幅正性图片；
(1-2)从国际情感图片库中选取愉悦度范围在4.0～5.0且唤醒度范围在2.0～3.0的若干幅中性图片；
(1-3)使用图像处理软件把(1-1)和(1-2)步骤选取的每一幅图片都统一处理成为相同大小、相同亮度和相同灰度的图片；
(1-4)把(1-3)步骤处理后的若干幅正性图片不重叠地紧密地组合在一起构成一个带有正性信息的视觉刺激任务；
(1-5)把(1-3)步骤处理后的若干幅中性图片不重叠地紧密地组合在一起构成一个不带有情绪信息的视觉刺激任务；
(1-6)把(1-4)步骤生成的正性图片视觉刺激呈现在显示器的中央，让被测试者观看8～10秒钟，并且使用眼动装置同步采集被测试者的各个注视点的信息；
(1-7)把(1-5)步骤生成的中性图片视觉刺激呈现在显示器的中央，让测试者观看8～10秒钟，并且使用眼动装置同步采集被测试者的各个注视点的信息；
(1-8)根据(1-6)步骤计算得到被测试者观看正性图片时有m个注视 点，并且各个注视点的瞳孔直径平均值dP，计算方法为：
Figure PCTCN2014086011-appb-000001
Figure PCTCN2014086011-appb-000002
         (式1)
(i＝1,2,3,…,m)
其中，
Figure PCTCN2014086011-appb-000003
和
Figure PCTCN2014086011-appb-000004
分别为第i个注视点的左眼和右眼瞳孔直径
(1-9)计算被测试者观看中性图片时有q个注视点，各个注视点的瞳孔直径平均值dM，计算方法为：
Figure PCTCN2014086011-appb-000005
Figure PCTCN2014086011-appb-000006
              (式2)
(k＝1,2,3,…,q)
其中，
Figure PCTCN2014086011-appb-000007
和
Figure PCTCN2014086011-appb-000008
分别为第k个注视点的左眼和右眼瞳孔直径
(1-10)正性情感带宽PaBW(Positive affective bandwidth)的大小(SPaBW)和变化范围(RPaBW)根据(1-8)和(1-9)计算得到：
SPaBW＝dP-dM
RPaBW＝0～(dP-dM)         (式3)
由此方法，得到被测试者的正性情感带宽的大小SPaBW(D)，以及健康对照组的正性情感带宽的大小SPaBW(H)。
(2)负性情感带宽测定方法
(2-1)从国际情感图片库中选取愉悦度范围为1.0～2.0且唤醒度大于5.0的若干幅负性图片；
(2-2)使用图像处理软件把(2-1)步骤选取的每一幅图片都统一处理成为相同大小、相同亮度和相同灰度的图片；
(2-3)把(2-2)处理后的若干幅负性图片不重叠地紧密地组合在一起，构成一个带有负性信息的视觉刺激任务；
(2-4)把(2-3)生成的负性图片视觉刺激呈现在显示器的中央，让被测试者观看8～10秒钟，并且使用眼动装置同步采集被测试者的各个注视点的信息；
(2-5)根据(2-4)计算得到被测试者观看负性图片时有n个注视点，并且各个注视点的瞳孔直径平均值dN，计算方法为：
Figure PCTCN2014086011-appb-000009
Figure PCTCN2014086011-appb-000010
         (式4)
(j＝1,2,3,…,n)
其中，
Figure PCTCN2014086011-appb-000011
和
Figure PCTCN2014086011-appb-000012
分别为第j个注视点的左眼和右眼瞳孔直径
(2-6)负性情感带宽NaBW(Negative affective bandwidth)的大小(SNaBW)和范围(RNaBW)根据(2-5)和(1-9)计算得到：
SNaBW＝dN-dM
RNaBW＝0～(dN-dM)       (式5)
由此方法，得到被测试者的负性情感带宽的大小SNaBW(D)，以及健康对照组的负性情感带宽的大小SNaBW(H)。
(3)正负情感带宽测定方法
正负情感带宽PNaBW(Positive-Negative affective bandwidth)是认知个体最大正性情感体验与最小负性情感体验的大小和范围。正负情感带宽PNaBW的大小(SPNaBW)和变化范围(RPNaBW)根据(1-8)和(2-5)得到：
SPNaBW＝dP-dN
RPNaBW＝dN～dP          (式6)
由此方法，得到被测试者的正负性情感带宽的大小SPNaBW(D)，以及健康对照组的正负情感带宽的大小SPNaBW(H)。
2、情感损伤判别方法
(2-1)根据步骤(1)测定被测试者的正性情感带宽的大小SPaBW(D)，以及健康对照组的正性情感带宽的大小SPaBW(H)；
(2-2)根据步骤(2)测定被测试者的负性情感带宽的大小SNaBW(D)，以及健康对照组的负性情感带宽的大小SNaBW(H)；
(2-3)根据步骤(3)测定被测试者的正负情感带宽的大小SPNaBW(D)，以及健康对照组的正负情感带宽的大小SPNaBW(H)；
(2-4)被测试者情感损伤判断标准为：被测试者的正性情感带宽SPaBW(D)小于正常人SPaBW(H)，而且被测试者的正负情感带宽SPNaBW(D)也小于正常人SPNaBW(H)；判别公式为：
SPaBW(D)＜SPaBW(H)
SPNaBW(D)＜SPNaBW(H)       (式7)
本发明具有下述技术效果
本发明的情感带宽测定方法，克服了以往人们对于外界情绪体验的主观评分方法的模糊性和不确定性，使用瞳孔直径物理指标客观地度量正性、负性情绪体验的大小和范围(正性情感带宽、负性情感带宽和正负情感带宽)。通过测定被测试者的情感带宽，弥补了以往缺少情感定量评价的不足，并且与正常人相比较，可以对被测试者的情感是否受损进行判别和评估。
附图说明
图1是情感带宽测定及其情感损伤判别方法整体框图；
图2是情感图片选择处理流程图；
图3是情感带宽测定流程图；
图4是情感损伤判别方法流程图；
图5是被测试者与正常人的情感带宽结果比较图；
图6是被测试者情感损伤判别评价结果图。
具体实施方式
下面结合附图和实施例，对本发明所述的技术方案进行进一步的阐述。
图1是情感带宽测定及其情感损伤判别方法的整体框图，分为3个部分：情感图片任务设计、情感带宽测定和抑郁症情感损伤判别，具体包括以下步骤：
1)首先是情感图片任务设计，其流程如图2所示，包括下列步骤：
(1)从国际情感图片库中选取16幅情感图片，其中包括：4幅正性图片(愉悦度>8.0，唤醒度>5.0)、4幅负性图片(4.0<愉悦度<5.0，2.0<唤醒度<3.0)、以及4幅中性图片(1.0<愉悦度<2.0，唤醒度>5.0)。
(2)被选出来的这些图片的大小可能不同、亮度和灰度也存在差异，因此，需要把这些图片进行规范化处理，使用Photoshop软件把每一幅图片都处理成为相同大小(200*200像素)、相同亮度和相同灰度的图片。
(3)由于人的情感诱发需要一定的时间，使用一张图片诱发情绪会产生视觉疲劳，因此，把4张相同情绪类型的图片组成一个情绪图片任务，其方法是：把4幅正性图片按照4个象限不重叠地紧密地组合在一起，构成一个带有正性信息的视觉刺激任务；把4幅负性图片按照4个象限不重叠地紧密地组合在一起，构成一个带有负性信息的视觉刺激任务；把4幅中性图片按照4个象限不重叠地紧密地组合在一起，构成一个带有中性信息的视觉刺激任务。
2)情感带宽的测定如图3所示，包括下列步骤：
(1)正性情感带宽的测定。首先，把步骤1)的正性情感图片任务呈现在17寸彩色显示器(分辨率为1024*768)的中央(水平视角和垂直视角都为12°)，让被测试者观看10秒钟，并且使用眼动装置同步采集被测试者的各个注视点的信息；把步骤1)的中性情感图片任务呈现在17寸彩色显示器(分辨率为1024*768)的中央(水平视角和垂直视角都为12°)，让被测试者观看10秒钟，并且使用眼动装置同步采集被测试者的各个注视点的信息；把步骤1)的负性情感图片任务呈现在17寸彩色显示器(分辨率为1024*768)的中央(水平视角和垂直视角都为12°)；让被测试者观看10秒钟，并且使用眼动设备同步采集被测试者的各个注视点的信息。
(2)计算得到被测试者观看最愉悦图片时各个注视点的瞳孔直径直径平均值dP，计算方法为：
Figure PCTCN2014086011-appb-000013
Figure PCTCN2014086011-appb-000014
          (式1)
(i＝1,2,3,…,m)
其中，
Figure PCTCN2014086011-appb-000015
和
Figure PCTCN2014086011-appb-000016
分别为第i个注视点的左眼和右眼瞳孔直径
同理，根据(2)计算dP的方法，计算被测试者观看最不愉悦图片和中性图片时的瞳孔直径的平均值分别为dN和dM。
(3)正性情感带宽PaBW(Positive affective bandwidth)的大小(SPaBW)是被测试者观看最愉悦图片时的瞳孔直径dP与观看中性图片时瞳孔直径dM的差值，正性情感带宽PaBW的变化范围(RPaBW)是0到dP-dM，计算公式如下：
SPaBW＝dP-dM
RPaBW＝0～(dP-dM)       (式3)
(4)负性情感带宽NaBW(Nagetive affective bandwidth)的大小(SNaBW)是被测试者观看最不愉悦图片时的瞳孔直径dN与观看中性图片时瞳孔直径dM的差值，负性情感带宽NaBW的变化范围(RNaBW)是0到dN-dM，计算公式如下：
SNaBW＝dN-dM
RNaBW＝0～(dN-dM)      (式5)
(5)正负情感带宽测定方法
正负情感带宽PNaBW(Positive-Negative affective bandwidth)是认知个体最大正性情感体验与最小负性情感体验的大小范围。正负情感带宽PNaBW的大小 (SPNaBW)和变化范围(SPNaBW)，计算公式如下：
SPNaBW＝dP-dN
RPNaBW＝dN～dP        (式6)
3)情感损伤判别流程，如图4。首先获得健康对照组的正性情感带宽、正负情感带宽；然后获得被测试者的正性和正负情感带宽；最后比较被测试者和健康对照组的正性情感带宽和正负情感带宽。如果被测试者的正性情感带宽小于健康对照组，而且其正负情感带宽小于健康对照组，则说明被测试者的情感受损。
4)被测试者情感损伤判别的评价
图5是本发明实施数据提供的使用贝克量表和抑郁自评量表确定为情感损伤的36名被测试者和正常人的情感带宽的大小和变化范围的比较。该结果表明，被测试者正性情感带宽和正负情感带宽都小于正常人，说明被测试者的正性情感体验缺失，导致其情绪低落、愉快感缺失。
图6是本发明实施数据提供的使用贝克量表和抑郁自评量表确定为情感损伤的36名被测试者的情感损伤评定的结果。使用本发明对于36名使用心理量表被评定为情感受损的人进行基于情感带宽的情感损伤判别与评估，情感损伤的29人(占80.6％)，情感未损伤的7人(占19.4％)。

Claims (1)

  1. 情感带宽测定及其情感损伤判别方法，其特征在于：先提出了情感带宽的概念：情感带宽是指认知个体受外界刺激所诱发的情感体验的大小和范围，包括正性情感带宽、负性情感带宽和正负情感带宽；正性情感带宽是认知个体受外界正性情绪刺激诱发的正性情感体验的大小和范围；负性情感带宽是认知个体受外界负性情绪刺激诱发的负性情感体验的大小和范围；正负情感带宽是认知个体最大正性情感体验与最小负性情感体验的大小和范围；
    1)、情感带宽测定方法
    情感带宽测定步骤包括：
    (1)正性情感带宽测定方法
    (1-1)从国际情感图片库中选取愉悦度大于8.0且唤醒度大于5.0的若干幅正性图片；
    (1-2)从国际情感图片库中选取愉悦度范围在4.0～5.0且唤醒度范围在2.0～3.0的若干幅中性图片；
    (1-3)使用图像处理软件把(1-1)和(1-2)步骤选取的每一幅图片都统一处理成为相同大小、相同亮度和相同灰度的图片；
    (1-4)把(1-3)步骤处理后的若干幅正性图片不重叠地紧密地组合在一起构成一个带有正性信息的视觉刺激任务；
    (1-5)把(1-3)步骤处理后的若干幅中性图片不重叠地紧密地组合在一起构成一个不带有情绪信息的视觉刺激任务；
    (1-6)把(1-4)步骤生成的正性图片视觉刺激呈现在显示器的中央，让被测试者观看8～10秒钟，并且使用眼动装置同步采集被测试者的各个注视点的信息；
    (1-7)把(1-5)步骤生成的中性图片视觉刺激呈现在显示器的中央，让测试者观看8～10秒钟，并且使用眼动装置同步采集被测试者的各个注视点的信息；
    (1-8)根据(1-6)步骤计算得到被测试者观看正性图片时有m个注视点，并且各个注视点的瞳孔直径平均值dP，计算方法为：
    Figure PCTCN2014086011-appb-100001
    Figure PCTCN2014086011-appb-100002
             (式1)
    i＝1,2,3,…,m
    其中，
    Figure PCTCN2014086011-appb-100003
    和
    Figure PCTCN2014086011-appb-100004
    分别为第i个注视点的左眼和右眼瞳孔直径；
    (1-9)计算被测试者观看中性图片时有q个注视点，各个注视点的瞳孔直径平均值dM，计算方法为：
    Figure PCTCN2014086011-appb-100005
    Figure PCTCN2014086011-appb-100006
               (式2)
    k＝1,2,3,…,q
    其中，
    Figure PCTCN2014086011-appb-100007
    和
    Figure PCTCN2014086011-appb-100008
    分别为第k个注视点的左眼和右眼瞳孔直径
    (1-10)正性情感带宽PaBW的大小SPaBW和变化范围RPaBW根据(1-8)和(1-9)计算得到：
    SPaBW＝dP-dM
    RPaBW＝0～(dP-dM)         (式3)
    分别对测试组以及健康对照组进行计算，得到被测试者的正性情感带宽的大小SPaBW(D)，以及健康对照组的正性情感带宽的大小SPaBW(H)；
    (2)负性情感带宽测定方法
    (2-1)从国际情感图片库中选取愉悦度范围为1.0～2.0且唤醒度大于5.0的若干幅负性图片；
    (2-2)使用图像处理软件把(2-1)步骤选取的每一幅图片都统一处理成为相同大小、相同亮度和相同灰度的图片；
    (2-3)把(2-2)处理后的若干幅负性图片不重叠地紧密地组合在一起，构成一个带有负性信息的视觉刺激任务；
    (2-4)把(2-3)生成的负性图片视觉刺激呈现在显示器的中央，让被测试者观看8～10秒钟，并且使用眼动装置同步采集被测试者的各个注视点的信息；
    (2-5)根据(2-4)计算得到被测试者观看负性图片时有n个注视点，并且各个注视点的瞳孔直径平均值dN，计算方法为：
    Figure PCTCN2014086011-appb-100009
    Figure PCTCN2014086011-appb-100010
            (式4)
    (j＝1,2,3,…,n)
    其中，
    Figure PCTCN2014086011-appb-100011
    和
    Figure PCTCN2014086011-appb-100012
    分别为第j个注视点的左眼和右眼瞳孔直径
    (2-6)负性情感带宽NaBW的大小SNaBW和范围RNaBW根据(2-5)和(1-9)计 算得到：
    SNaBW＝dN-dM
    RNaBW＝0～(dN-dM)      (式5)
    分别对测试组以及健康对照组进行计算，得到被测试者的负性情感带宽的大小SNaBW(D)，以及健康对照组的负性情感带宽的大小SNaBW(H)；
    (3)正负情感带宽测定方法
    正负情感带宽PNaBW是认知个体最大正性情感体验与最小负性情感体验的大小和范围；正负情感带宽PNaBW的大小SPNaBW和变化范围RPNaBW根据(1-8)和(2-5)得到：
    SPNaBW＝dP-dN
    RPNaBW＝dN～dP         (式6)
    分别对测试组以及健康对照组进行计算，得到被测试者的正负性情感带宽的大小SPNaBW(D)，以及健康对照组的正负情感带宽的大小SPNaBW(H)；
    2)、情感损伤判别方法
    (2-1)根据步骤(1)测定被测试者的正性情感带宽的大小SPaBW(D)，以及健康对照组的正性情感带宽的大小SPaBW(H)；
    (2-2)根据步骤(2)测定被测试者的负性情感带宽的大小SNaBW(D)，以及健康对照组的负性情感带宽的大小SNaBW(H)；
    (2-3)根据步骤(3)测定被测试者的正负情感带宽的大小SPNaBW(D)，以及健康对照组的正负情感带宽的大小SPNaBW(H)；
    (2-4)被测试者情感损伤判断标准为：被测试者的正性情感带宽SPaBW(D)小于正常人SPaBW(H)，而且被测试者的正负情感带宽SPNaBW(D)也小于正常人SPNaBW(H)；判别公式为：
    SPaBW(D)＜SPaBW(H)
    SPNaBW(D)＜SPNaBW(H)     (式7)。
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