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Objective:To investigate the effect of intranasal oxytocin administration on empathy in male adolescents with conduct disorder.Methods:The male adolescents with conduct disorder in the Psychological Counseling Clinic of the Second Xiangya Hospital of Central South University from September 2015 to August 2016 were selected.And they were randomly assigned to oxytocin group ( n=46) and placebo group ( n=51) by random number table. Subjects in oxytocin group were given nasal spray of 24 IU oxytocin twice per day for two weeks, while those in placebo group were given nasal spray of 0.9% sodium chloride solution for two weeks. The empathy of patients was assessed with a pain-related empathy task and interpersonal reactivity index (IRI) before and after two weeks′ administration. SPSS 20.0 software was used for statistical analysis, and repeated measurement analysis of variance was used to compare the empathy ability of the two groups before and after intervention. Results:Repeated measurement analysis of variance showed that there were significant time×group interaction effects in the scores of painful expressions during the pain-related empathy task ( F=13.86, P<0.001), IRI ( F=5.59, P=0.020) and empathic concern subscale ( F=4.99, P=0.028). There was significant between-group effect in the score of perspective-taking subscale of IRI( F=4.22, P=0.043). Simple effect analysis revealed that after two weeks of intervention, the score of needle-pain expression in oxytocin group was significantly higher than that at baseline ( t=-2.08, P=0.040). And the score of needle-pain expression in oxytocin group was significantly higher than that in placebo group ( t=2.33, P=0.022). After two weeks of intervention, the total IRI score ( t=-2.58, P=0.011) and empathy factor score ( t=-3.15, P=0.002) of oxytocin group were both higher than those at baseline. After intervention, the total IRI score ( t=2.30, P=0.024) and perspective-taking factor score ( t=2.57, P=0.012) in oxytocin group were higher than those in placebo group, and the differences were statistically significant. Conclusions:Oxytocin may improve the cognitive and emotional empathy in male adolescents with conduct disorder.
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Objective:To investigate gender measurement invariance of the Perceived Social Support Scale(PSSS)in people aged 50 years and older.Methods:A total of 1013 adults(50-96 years old)in Beijing, Hunan and Shandong were tested by using PSSS.The measurement invariance of PSSS between middle-aged and elderly males and females was analyzed.Differences in PSSS total scores and subscale scores between males and females were examined.Results:The equivalence test results of each item in the questionnaire met the requirements of the metrology(△CFI≥0.010, △TLI≥0.010, △RSMEA≤0.015), indicating that the hypotheses of morphological equivalence, weak equivalence, strong equivalence and strict equivalence of PSSS were all valid in the middle-aged and elderly population regardless of gender.In addition, middle-aged and elderly females had higher scores in family support, support from friends, support from other people and perceived social support than their male counterparts( P<0.05). Conclusions:PSSS has cross-gender equivalence in middle-aged and elderly people.Thus, differences in PSSS can reflect the perceived social support level in middle-aged and elderly people of different genders.
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Objective:To evaluate the efficacy of individualized cognitive behavioral therapy for unprotected sex and sexual attitude of middle school students having unprotected sex.Methods:A target sample of 68 adolescents having unprotected sex was recruited from 4 secondary schools in Changsha,Hunan [the unprotected sex (US) score of Health-Risk Behavior Inventory for Chinese Adolescents (HBICA) ≥ 1].Subjects were randomized assigned to cognitive behavioral therapy group (CBT group) and control group.Each group had 34 subjects.The CBT group was giving one-on-one counseling for 6 weeks (50 to 60 minutes weekly).The control group didn't receive intervention by counselors.The US and Attitudes Toward Sexuality Scale (ATSS) were selected as criterion measurements.Outcome assessments were made at baseline and at 1-and 3-month follow-up.Results:The reduction rate of US scores showed that the response rate of therapy was over 80％.Mixed linear model analysis showed that there were significant group effect,time effect and group × time effect in scores of US and ATSS (Ps ＜ 0.05).Simple effect analysis indicated that the scores of US and ATSS of CBT group were significant lower than those of baseline from 1-month follow-up [(2.2 ± 2.9) vs.(4.7 ± 3.1),(3.2 ± 1.6) vs.(4.7 ± 3.1);(38.2 ± 4.9) vs.(40.9 ±5.1),(37.2 ±5.4) vs.(40.9 ±5.1),Ps ＜0.01],whereas the scores of those in the control group did not show any significant difference (Ps ＞0.05).At l-month and 3 month follow-up,moderate effect sizes were found for the CBT and control groups on all the outcome measures (Cohen's d =0.50-0.70).Conclusion:The individualized cognitive behavioral therapy could effectively reduce the level of unprotected sex and sexual attitude of adolescents having unprotected sex.
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Objective To investigate the functional characteristic of adolescents with conduct disorder (CD) in the resting state.Methods Resting-sate fMRI (rs-fMRI) scans were administered to 28 male adolescents with CD and 28 age-,gender-and IQ-matched healthy controls (HCs).The rs-fMRI data were subjected to amplitude of low-frequency fluctuation (ALFF) analysis and ALFF values were compared between the two groups.Additionally,the region ROIs showed significant difference and correlation analysis was conducted between ALFF in each ROI and Barratt's scores.Results ① Compared to HCs,the CD group showed decreased ALFF (P＜0.005) bilaterally in the superior frontal gyrus,right middle frontal gyrus,right posterior cingulate gyrus,right inferior parietal lobule (MNI coordinates:-21,48,27;21,24,48;36,24,33 6,-36,39;48,-45,57 respectively) as well as increased ALFF (P＜O.005) in the left thalamus and left lingual gyrus (MNI coordinates:-15,-27,-3;-18,-87,-12 respectively).② There was no significant correlation between ALFF and Barratt's scores in ROIs.Conclusion The results suggest that CD is associated with abnormal intrinsic brain activity,mainly in frontal-parietal-occipital-limbic cortices,which is related to emotional and cognitive processing and behavioral functions.
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Child and adolescent mental disorders are common disorders with various symptoms,and attracting more attention due to the increasing prevalence.Mental disorders,especially the attention-deficit hyperactivity disorder (ADHD) and the autism spectrum disorder (ASD),have great influence on the development of children and adolescents.Nowadays,the biomarkers from neuroimaging such as magnetic resonance imaging (MRI) have a great importance on the diagnosis of mental disorders,and machine learning has been proved to be very powerful in the processing for neuroimages.Nowadays,many researchers are focusing on the studies of computer-aided diagnosis (CAD) based on machine learning and neuroimaging.In this review,the technical details of machine learning based CAD of child and adolescent mental disorders are briefly introduced,and the research progress in CAD of ADHD and ASD based on machine learning and structural MRI are summarized.These studies showed that many machine learning methods have been used in the diagnosis of child and adolescent mental disorders,but the relevant methods cannot be applied to clinical diagnosis.Further studies should be conducted to improve the diagnostic ability of machine learning methods from multiple perspectives,and provide an objective and reliable tool for the clinical diagnosis of child and adolescent mental disorders.
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Objective:To explore the grey matter concentration in individuals with cognitive vulnerability to depression.Methods:Thirty individuals with cognitive vulnerability to depression and thirty age-and gender-matched healthy controls were enrolled in this study,and they were subjected to magnetic resonance imaging (MRI) examination.The grey matter concentration differences were compared between the two groups by using voxel-based morphometry (VBM) following MRI.Results:Individuals with cognitive vulnerability to depression showed significantly lower grey matter density in bilateral insular,left cerebellum,right supplementary motor area,and left precentral gyrus than those in the healthy controls,while the healthy controls showed significantly lower grey density in the right inferior frontal gyrus,right middle frontal gyrus,and left cuneus than those in the individuals with cognitive vulnerability to depression.Conclusion:Structural brain abnormalities in individuals with cognitive vulnerability to depression might be the neural basis for cognitive vulnerability to depression.
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Objective:To re-explore and confirm the construct of the Adolescent Self-rating Life Events Checklist (ASLEC),and evaluation the reliability of it among middle school students. Methods:Totally 10 566 ad-olescents,grade 7th to grade 12th,from 10 cities were recruited to complete ASLEC by using stratified randomized cluster-sampling method. The Center for Epidemiological Studies Depression Scale (CES-D ),Multidimensional Anxiety Scale for Children (MASC)were selected as the criterion measurements which to examine the association between depression and anxiety with life events. Test-retest reliability were examined by 141 participants random se-lected after 4 weeks. Results:ASLEC including being punished,loss,relationship pressure,learning pressure and a-daption problem after explored factor analysis. The fit indices of confirmatory factor analysis were RMSEA=0. 10, CFI=0. 90,TLI=0. 88,WRMR=4. 96. The correlation coefficients of total scale with ASLEC and total score with CES-D and MASC were 0. 45 and 0. 43. The Cronbach'sαcoefficient of the total scale was 0. 92,the test-retest re-liability was 0. 73,the split-half reliability was 0. 85. The total score decreased apparently compared with the norm of Liu's study (in 1997). Compared to girls,there were significant higher score on punishment and adaption sub-scale,and significant lower score on relationship and learning pressure subscale among boys except the loss factor. Conclusion:A more reasonable new construct consists of 5 factors has been confirmed. The ASLEC has good validity and reliability. The score on total scale and subscales in this study can serve as norm references.
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Objective To examine the effects of a functional polymorphism of the monoamine oxidase A (MAOA) gene on spontaneous brain activity in healthy male adolescents.Methods Resting-state fMRI was performed on 31 healthy male adolescents with the low-activity MAOA genotype (MAOA-L) and 25 healthy male adolescents with the high-activity MAOA genotype (MAOA-H).The amplitude of low-frequency fluctuation (ALFF) of the blood oxygen level-dependent (BOLD) signal was calculated using REST software,and was compared between two genotype groups.The region ROIs showed significant difference.The ALFF data in ROIs were related to BIS scores.Results Compared with the MAOA-H group,the MAOA-L group showed a significant decrease of ALFF (P＜0.001) in the pons (MNI coordinates:-6,-19,-23;6,-16,-17;-6,-25,-32).In addition,the BIS scores were positively correlated with ALFF in pons in the MAOA-L group (r=0.398,P=0.02),but not in the MAOA-H group.Conclusions There exists relevance between the polymorphism of MAOA and the spontaneous brain activity in pons.And the lower activity of spontaneous brain activity in pons may be a key risk factor for impulsivity and aggression.
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Objective To explore the methods for estimating premorbid intelligence of patients with cerebral infarction.Methods Ten regression equations were employed to estimate intelligence quotients (IQs) of 74 patients and 74 demographically matched,healthy adults.Those valid estimated IQs were transformed into standard scores and adopted to evaluate the difference with don' t hold' subtests.Results In the healthy group,there were trivial difference between the estimated IQs and obtained IQs with mean discrepancy less than one and the correlation coefficients between them ranged from 0.755 to 0.956.However in the patients group,the estimated IQs were significantly higher than obtained IQs with mean discrepancy of 3.20-10.67.Mean estimated IQs of the patient group were lower than those of healthy group to varing degrees with mean discrepancy of 0.83-8.28,in which the mean IQs estimated just with demographic variables showed small between group effect size of 0.26,and so did IQs estimated with combination of demographic variables and performance on the Information or Figural Matrix (effect size:0.24 and 0.38 respectively).The latter two kinds of estimated IQs were adopted and transformed into standard scores to estimate premorbid intelligence.The two kinds of estimated normal scores of intelligence were higher than normal scores of the Digit Symbol (0.70 and 0.63 respectively) and the Block Design(0.67 and 0.61 respectively)in the patients group.As regarding the healthy group,the counterparts of discrepancies between estimates of intelligence and obtained scores were 0.21,0.21,0.12 and 0.12 respectively,which were significantly smaller than those in the patients group.Conclusion IQ estimated with combination of demographic variables and performance on the Information or Figural Matrix are suggested to estimate premorbid intelligence of patients with cerebral infarction.
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Objective To explore the interaction between a serotonin transporter gene promoter region polymorphism(5-HTTPR) and stress in predicting anxiety symptoms.Methods Through random cluster sampling,a total of 252 healthy adolescents participated in this study.During the initial assessment,all participants completed the Adolescent Life Events Questionnaire (ALEQ) and Multidimensional Anxiety Scale for Children (MASC) to assess their levels of stress and anxiety and were genotyped for the 5-HTTLPR polymorphism.Participants subsequently completed MASC and ALEQ once every three months during the subsequent 24 months.A multilevel model was used to investigate the interaction between 5-HTTLPR and stress that predict anxiety symptoms.Results The results indicated no major effect of 5-HTTLPR in males (β=0.80,P＞0.05)or females(β=-0.21,P＞0.05).There were major effects of stress in males(β=0.30,P＜0.01) and females (β=0.33,P＜0.01)and a significant interaction between 5-HTTLPR and stress.Females with at least one 5-HTTLPR S allele(β=0.11,P＜ 0.01)and males with at least one 5-HTTLPR L allele(β=-0.10,P＜0.01)exhibited more anxiety symptoms under stressful situations.Conclusion The interaction between 5-HTTLPR and stress can predict anxiety symptoms in adolescents.There are gender differences on the 5-HTTLPR × stress interaction.
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ObjectiveTo explore the relationship between male adolescents' childhood abuse and externalizing behaviors,and the moderating effect of monoamine oxidase A (MAOA) gene promoter region variable number tandem repeat (VNTR) polymorphism.MethodsThrough random cluster sampling,352 Han male middle school students from Changsha were tested by Achenbach child behavior checklist-youth self reports (CBCL-YSR)and childhood trauma questionnaire-28 item short form (CTQ-SF),their MAOA genotypes were also identified.A hierarchical multiple regression analysis was used to test the moderating effect.Results ( 1 ) Compared participates with high activity MAOA gene and that with low activity MAOA gene,there were no significant differences on age ( ( 15.82 ± 1.52) vs ( 15.94 ± 1.62 ) ),externalizing behaviors ( ( 15.13 ± 10.14 ) vs ( 14.33 ± 9.70 ) ),total abuse ( (52.59 ± 10.46) vs (51.39 ± 7.56 ) ),emotional abuse( ( 7.63 ± 3.31 ) vs ( 7.11 ± 2.68 ) ),physical abuse ( ( 6.40 ± 2.82) vs (6.12 ± 2.05 ) ),sexual abuse ( ( 6.42 ± 3.24 ) vs ( 5.94 ± 1.72 ) ),emotional neglect ((13.44±5.12) vs (13.16 ±4.83) ),physical neglect( (10.27 ±2.64) vs (10.44±2.53))(t=-1.789～0.678,P ＞ 0.05 ).(2)Except emotional neglect and physical neglect,emotional abuse,physical abuse and sexual abuse could predict externalizing behaviors( Sβ =0.141 ～0.347,P ＜ 0.01 ).(3) MAOA gene was not directly related to externalizing behaviors( Sβ =- 0.023,P ＞ 0.05 ).There was a significant interaction between MAOA gene and emotional abuse( Sβ =-0.148,P ＜ 0.01 ).The interaction between MAOA gene and physical abuse or sexual abuse showed no statistical significance( Sβ =- 0.067,- 0.005,P ＞ 0.05 ).ConclusionMAOA gene polymorphism can moderate the relationship between male adolescents'childhood emotional abuse and externalizing behaviors.
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Objective To establish the norm of occupational stress on the nurse in China. Methods Used stratified random cluster sampling,a total of 3091 nurses in 21 from China' s eastern,central and western parts of three regional hospitals, hospital were tested by Chinese nurse stressor scale (CNNS). Results ①The total norms for the CNNS and each factor are established. ②Descriptive statistics for CNSS for different regions samples, different working year' s samples,different marital status samples,different titles samples,different age's samples, different education background samples and different work nature samples were modulated. Conclusion The norm established can basically represent the occupational stress on nurses in China.
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Objective To explore the autobiographical memory characteristics of chronic pain patients and its correlators.Methods Autobiographical memory,pain and emotion of 106 chronic pain patients and 106healthy controls were assessed with the Autobiographical Memory Test (AMT), the Short-form McGill Pain Questionnaire (SF-MPQ), the Pain Self-efficacy Questionaire (PSEQ), Beck Depression Inventory (BDI) and Beck Anxiety Inventory (BAI).Results Compared to the control group, the clinical group had less specific memory (3.63 ± 1.53, 2.63 ± 1.68, F (1.416) = 7.233, P ＜ 0.01 ) and more overgeneral memory (2.37 ± 1.53,3.37 ±1.68, F (1.416) =7.069, P＜0.01 ),but the latency to response was not statistically significantly different between the groups.Duration of pain,frequence of pain and pain self-efficacy were the significant predictors of overgeneral memory,and the regression coefficients were significant (P＜0.05 ) ,the multiple regression equation was statistically significant( R = 0.427, R2 = 0.183, F= 2.385, P＜ 0.05 ).Conclusion The autobiographical memory of chronic pain patients was overgeneralized because of the influence of duration, frequence and self-efficacy of pain.
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OBJECTIVE@#To examine the structural differences in regional gray matter density between a sample of major depressive disorder (MDD) and healthy controls, using the magnetic resonance imaging (MRI) to find the base of pathophysiologic mechanism in depression development.@*METHODS@#A total of 38 MDD patients and 42 healthy subjects enrolled in the MRI scans. Voxel-based morphometry was used to test the difference in gray matter between the 2 groups.@*RESULTS@#The MDD group showed significantly lower gray density than the healthy control group in the right middle frontal gyrus, right superior frontal gyrus, left inferior frontal gyrus and left superior frontal gyrus. However, the healthy control group showed significantly lower gray density than the MDD group in the right precuneus, left anterior central gyrus and right anterior cingutate.@*CONCLUSION@#Structural brain abnormalities in MDD patients may be the pathological bases for MDD development.
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Adulto , Femenino , Humanos , Masculino , Adulto Joven , Encéfalo , Patología , Estudios de Casos y Controles , Trastorno Depresivo Mayor , Patología , Lóbulo Frontal , Patología , Procesamiento de Imagen Asistido por Computador , Imagen por Resonancia MagnéticaRESUMEN
Objective To develop a Chinese translation of the Mood and Anxiety Symptoms Questionnaire-Short Form (MASQ-SF) and evaluate the reliability and the validity in a sample of Chinese middle school students. Methods The questionnaire was administered to 682 middle school students. Internal consistency, testretest and confirmatory factor analyses were analyzed. Results The internal consistency reliability for the total scale was 0.95, and for the four factors ranged from 0.84 to 0.92 and the one month test-retest reliability coefficient for the total questionnaire was 0.78. The mean inter-item correlation coefficient for the MASQ-SF was 0.24,and the mean inter-item correlation coefficient for the four factors ranged from 0. 20 to 0.51. And the results of confirmatory factor analyses (IFI 0.91, CFI 0.92, TLI 0.91, RMSEA 0.06). The factors loadings ranged from 0. 28 to 0.71. The squared multiple correlations were 0.12 to 0.53. Indicated that the four-factor structure of the MASQ-SF was suitable for the Chinese middle school sample. Conclusion The Chinese version of the MASQ-SF with acceptable psychometric quality,and appropriate for assessing anxiety and depression in Chinese adolescence.
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Objective To examine the differences in the structure of brain white matter among deficit schizophrenia, nondeficit schizophrenia and healthy controls by using voxel-based morphometry (VBM). Methods Ten deficit schizophrenic patients, eleven nondeficit patients and fifteen healthy comparison subjects participated in the study. All the subjects were scanned by GE Twin Speed 1.5T MRI system. Whole brain, voxel-wise analyses of regional white matter volume were conducted by the VBM toolbox on the Matlab7.6 and SPM5. t -test was then used for the comparison between groups. Results Compared to the healthy controls, nondeficit schizophrenic patients significantly decreased the density of gray matter in the frontal, parietal, temporal, occipital lobe and basal ganglia , while the deficit patients showed the characteristically broad and significant decreasion in the frontal lobe, including left medial frontal gyrus, bilateral inferior frontal gyrus, left middle frontal gyrus, and left orbital gyrus (Cluster ≥ 30 mm3, P<0.01). Moreover, deficit patients showed the decreasion in the temporal cortex and the limbic lobe (right insula). Relative to the nondeficit schizophrenic patients, deficit patients had significant regional gray matter decreases in the left medial frontal gyrus, bilateral inferior frontal gyrus, right precentral gyrus, and right superior temporal gyrus (Cluster ≥ 30 mm3, P<0.01). Conclusion Structural heterogeneity in schizophrenia may relate to specific patterns of gray matter density reductions in deficit and nondeficit patient. However the two subtype of schizophremia patients share a common prefrontal-temperal pattern of structural brain alterations.
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Objective To explore the factors in frequency and degree of risk behavior in adolescents,as well find the way to cope with adolescent mental health. Methods 1369 middle students and college students were measured by Risky Behavior Questionnaire for Adolescents (RBQ-A) ,and analyzed the data. Results (1) There were statistically significant among the different age in difference of risky behaviors except aggressive and/or violent behaviors. Males scored higher than females in unsafe sexual practices, aggressive and/or violent behaviors, dangerous,destructive,and/or illegal behaviors,alcohol and/or drug use and smoking(P<0.05 orP<0.01). Students in city scored higher than rural students in dangerous,destructive,and/or illegal behaviors and alcohol and/or drug use(P<0.05 or P< 0.01). Families with high income scored higher than low income in unsafe sexual practices and rule breaking(P< 0.05 or P< 0.01). Families with low income scored higher than high income residences in dangerous,destructive,and/or illegal behaviors and alcohol and/or drug use(P < 0.05 or P < 0.01). (2) The significant differences were existed in unsafe sexual practices,aggressive and/or violent behaviors,dangerous, destructive,and/or illegal behaviors,alcohol and/or drug use and smoking between males and females (P<0.05 or P<0.01).The significant differences were existed in dangerous,destructive,and/or illegal behaviors and alcohol and/or drug use between groups of 16 years old and 14 ～ 15 years old (P < 0. 05 or P < 0. 01). The significant differences were existed in dangerous,destructive,and/or illegal behaviors between urban and rural students (P< 0.05 orP<0.01).The significant differences were existed in total scores in gender and urban and rural(P<0.05 or P<0.01). Conclusion The significant differences are existed in rate of risky behaviors in gender,age,urban and rural. But there is different degree existed in it.
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Objective To explore the factors that influence the quality of life of patients with chronic pain.Methods Using serf-designed questionnaire,simple MiGill pain questionnaire,Beck depression inventory,Beck anxiety inventory,pain self-efficiency questionnaire,athens insomnia scale and SF-12 scale to investigate 114 health people and 139 patients with chronic pain,and analyze the data with analysis of variance and linear regression analysis and path analysis.Results Scores of anxiety(33.56±9.96),depression(17.14±11.22),and insomnia(13.19±6.14)in patients with chronic pain was significant higher(P＜0.01)than the health people (24.55±4.49,24.55±4.49,3.68±3.12 independently),and scores of pain self-control and quality of life(including physical health and mental health)scored lower(P＜0.01)than the health group.Scores of quality of life in chronic pain patients with different pain intensity(F=3.92,P=0.005)and different ache numbers(F=2.39,P=0.041)were significant different,while scores of quality of life in chronic pain patients with different ache frequency was not significant different(F=1.54,P=0.169);quality of life score was significantly correlated(P＜0.05)to the total pain(r=-0.383),the feeling pain(r=-0.315),the emotion pain(r=-0.434),pain selfcontrol(r=0.570),anxiety(r=-0.640),depression(r=-0.523)and insomnia(r=-0.508).Pain self-control,depression,anxiety and insomnia insomnia and depression may indirectly influence the chronic pain patient's quality of life through pain self-control,and insomnia also can affect the quality of life through depression.Conclusion The quality of life in patients with chronic pain was influenced by a number of factors,so it is necessary to take muhi-faceted interventions to improve their quality of life.
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OBJECTIVE@#To explore the autobiographical memory characteristics in depressed patients and their influence factors.@*METHODS@#Autobiographical memory, emotion and cognitive executive function of 60 depressed patients and 60 healthy controls were assessed with autobiographical memory test (AMT), Hamilton depression scale (HAMD), Beck depression inventory (BDI), Beck anxiety inventory (BAI), hospital anxiety and depression scale (HAD), arrow-task stroop test (ATST), Wisconsin card sorting test (WCST), Backward masking test (BMT) and continuous performance test (CPT).@*RESULTS@#The specific memory of the depressed group was significantly less than that of the control group, and was negatively related with the negative emotion score, the time of anterograde and retrograde reading of ATST, and the time difference of ATST. The overgeneral memory increased and the latency to response of ATST was significantly longer than that of the control group. The two factors were positively related with the negative emotion score, the time of anterograde and retrograde reading of ATST, and the time difference of ATST.@*CONCLUSION@#The autobiographical memory of the depressed patients is overgeneralized and retarded. These characteristics are related with negative emotion and impairment of cognitive executive function.
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Adulto , Femenino , Humanos , Masculino , Adulto Joven , Estudios de Casos y Controles , Cognición , Fisiología , Depresión , Psicología , Memoria , Fisiología , Recuerdo Mental , Fisiología , Escalas de Valoración PsiquiátricaRESUMEN
@#With increasing attention to pains, the measurement of pain threshold has become an important part among researches to pains. Therefore, measuring Methods and their validity as well as reliability have direct influenced the Conclusion of the researchs. The approaches of pain threshold measurements, and the factors influenced the result were discussed in this paper.