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1.
Chinese Journal of Behavioral Medicine and Brain Science ; (12): 699-703, 2017.
Article in Chinese | WPRIM | ID: wpr-613084

ABSTRACT

Objective To explore the reaction time and attention bias characteristics of patients with first-episode depressive disorder.MethodsTotally 32 patients with first-episode depressive disorder (MD group) and 24 non-depression control participants(NC group) matched with MD group on age,gender and education level were enrolled in the study.The clinical symptoms were assessed by Beck Depression Inventory(BDI).All participants completed a dot-probe task to assess attentional preference for facial stimuli with varying valence (happy,sad and neutral facial expressions).ResultsThe reaction times(RTs) of MD group was longer than that of NC group in the dot-probe task ((468.6±87.7)ms,(451.7±82.5)ms,P<0.01).The four-way ANOVA revealed a significant main effect of prime duration,indicating overall shorter RTs on primes with longer duration ((476.9±88.4)ms vs (456.2±82.7)ms vs (447.7±83.9)ms,P<0.01).Compared with NC group,the scores of attention bias for sad faces were decreased in MD group ((7.43±26.4)ms vs (-4.97±19.5)ms,P<0.05).With the longer duration of presentation,the score of attention maintenance of emotional facies for MD group were increased (happy faces: (-11.0±4.8)ms,(2.2±6.9)ms,(6.1±8.5)ms;angry faces:(-1.6±7.5)ms,(6.5±8.6)ms,(14.9±6.7)ms).The adherence score of attention to happy faces were decreased ((1.8±5.6)ms,(-8.2±6.7)ms,(-8.7±7.1)ms),while the score of adherence score towards sad faces were increased ((-7.6±7.2)ms,(-2.6±8.5)ms,(1.5±6.2)ms) with increasing prime duration.ConclusionPatients with first-episode depressive disorder have slower response to emotional faces and associated with attentional bias for sad faces.With the increasing prime duration,it is more and more obvious to attentional bias in the two aspects of allocation and adherence.

2.
Chinese Journal of Behavioral Medicine and Brain Science ; (12): 162-165, 2015.
Article in Chinese | WPRIM | ID: wpr-469395

ABSTRACT

Objective To explore the influence factors of hyperarousal,personality characteristics and coping strategies on the vulnerability to stress-related sleep disturbance.Methods A total of 345 sleep good healthy volunteers were recruited bypurposive sampling technique.Every participant completed an extensive survey that included the general condition questionnaire,Ford Insomnia Response to Stress Test (FIRST),PreSleep Arousal Scale (PSAS),NEO Personality Inventory-Revised (NEOPI-R),Coping Inventory for Stressful Situations (CISS) and Heart Rate Variability(HRV).All participants were classified as High risk group andLow risk group by using the FIRST criterion.Results The high risk group was younger than the low risk group (27.91±8.22 vs 24.82±7.73,P<0.01),and had a higher percentage of females (34.7% vs 53.4%,P<0.05).The high risk group showed significantly higher scores in PSAS total (30.11±6.22),pesleep cognitive arousal (17.73± 4.51),presleep somatic arousal (12.78 ± 3.23),neuroticism (3.13 ± 0.51),emotion oriented (48.98 ± 10.54),but lower score in extraversion (2.96±0.54),then those indicators of the low risk group (28.52±5.82,16.32±4.32,11.41±2.75; 3.11±0.56,2.87±0.47,46.23±11.21,3.11±0.56,P<0.01 or 0.05).There were significant difference between the two group in LF/HF (1.51 ±0.19 vs 1.17±0.11,P<0.01),HF((311.21 ±72.32) ms2/Hz vs (490.43 ± 91.74)ms2/Hz,P<0.01),LF((469.49±85.67)ms2/Hzvs (573.21±98.75) ms2/Hz,P<0.01) in HRV.Results of linear regression analysis showed that gender,and scores of PSAS total,cognitive arousal,presleep cognitive arousal,presleep somatic arousal,neuroticism,emotion oriented and LF/HF were significant correlation with FIRST score (P<0.01 or 0.05).Conclusion Presleep cognitive and somatic arousal,neurotic character may be the premorbid characteristics of stress-related sleep disturbance,and bad stress coping strategies are easy to promote the development of insomnia.

3.
Chinese Journal of Applied Clinical Pediatrics ; (24): 925-928, 2015.
Article in Chinese | WPRIM | ID: wpr-466877

ABSTRACT

Objective To study the features of treatment on neurochemical metabolites in prefrontal lobe and thalamus by proton magnetic resonance spectroscopy (1H-MRS) in first-episode drug-naive patients with early-onset schizophrenia (EOS).Methods Forty-two EOS (study group) met with Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition (DSM-Ⅳ) were recruited.Prefrontal lobe and thalamus were evaluated by multi-voxel 1H-MRS before and 4-week after treatment with a single atypical antipsychotic.The levels of N-acetylaspartate (NAA),creatine compounds (Cr) and choline-containing compounds (Cho) were measured.The patients also received Positive and Negative Syndrome Scale (PANSS).Forty normal controls (normal control group) underwent the same 1H-MRS detection.Results Before treatment,the NAA/Cr ratios in left prefrontal lobe,right prefrontal lobe and lefi thalamus in study group were lower than those in normal control group (1.45 ± 0.26 vs 1.60 ± 0.34,t =2.251,P =0.027;1.43 ±0.26 vs 1.60 ±0.35,t =2.505,P=0.014;1.48 ±0.27 vs 1.65 ±0.35,t =2.470,P =0.016).After 4-week treatment,the NAA/Cr ratios in both left prefrontal lobe and left thalamus of study group were significantly increased compared with those before treatment (1.58 ± 0.30 vs 1.45 ± 0.26,t =2.122,P =0.037;1.62 ± 0.32 vs 1.48 ± 0.27,t =2.167,P =0.033).After 4-week treatment in study group,the total score,positive symptom score,negative symptom score and general pathologic score of PANSS,and the total score of Clinical Global Impression (CGI) were significantly lower compared with those before treatment (59.1 ± 10.2 vs 82.0 ± 13.2,t =8.896,P=0.000;15.3 ±5.1 vs 22.9 ±7.1,t =5.634,P =0.000;16.4 ±5.2 vs 21.1 ±7.8,t =3.249,P =0.002;27.4 ±7.6 vs 38.1 ± 8.8,t =5.963,P =0.000;3.6 ± 0.4 vs 4.4 ± 0.5,t =8.097,P =0.000).There was no correlation between the changes of neurochemical metabolite levels such as NAA/Cr and Cho/Cr both in prefrontal lobe and left thalamus,and the clinical symptoms changes,such as total score and every score of PANSS,the total score of CGI in study group after treatment (all P > 0.05).Conclusions The ratios of NAA/Cr are decreased not only in bilateral prefrontal lobe,but also in left thalamus,and the ratios may increase both in left prefrontal lobe and left thalamus after 4 weeks' treatment with atypical antipsychotics in EOS.The treatment outcomes of NAA/Cr do not agree with the improvement of the clinical symptoms.

4.
Journal of Xi'an Jiaotong University(Medical Sciences) ; (6): 806-809, 2015.
Article in Chinese | WPRIM | ID: wpr-481151

ABSTRACT

Objective To evaluate the effects of 6-week atypical antipsychotics treatment on serum brain-derived neurotrophic factor (BDNF)level,and the correlation between BDNF level and clinical efficiency in first-episode antipsychotic-na?ve schizophrenia.Methods We recruited 39 hospitalized patients with first-episode antipsychotic-na?ve schizophrenia that met with Diagnostic and Statistical Manual of Mental Disorders—4th Edition (DSM-IV).Both Positive and Negative Syndrome Scale (PANSS)and the level of serum BDNF were measured before and after 6 weeks’treatment with atypical antipsychotics.We also studied 30 healthy controls.Serum BDNF was assayed at baseline.Results Pre-treatment BDNF level was significantly lower in the schizophrenic patients than in the controls [(6.82±2.1 5 )μg/L vs .(1 1.6 ± 3.32 )μg/L,t = 7.239,P 0.05),or duration of illness (r = - 0.058,P > 0.05 ).Changes in BDNF levels with treatment were correlated with the duration of illness (r =-0.345,P 0.05).Conclusion BDNF level is significantly lower in patients with first-episode antipsychotic-na?ve schizophrenia than in normal controls.It could be improved by using antipsychotics.Higher pre-treatment BDNF level may predict better response to antipsychotics.

5.
Chongqing Medicine ; (36): 1239-1240,1243, 2015.
Article in Chinese | WPRIM | ID: wpr-600419

ABSTRACT

Objective To investigate the effects of mental health and sleep quality of the armored military performance ,pro-viding a theoretical basis for improving the performance of military officers and soldiers .Methods 276 armored military were se-lected randomly to study the performance ,including military training program evaluation(40% ) ,armored vehicles operating assess-ment(40% ) and leadership assessment(20% ) ,the test results as a percentage of the sum to exceed 80 divided into good and poor performance for the military .Symptom Checklist(SCL-90) and Scale Pittsburgh Sleep Quality Index(PSQI) were assessed ,and to evaluate the performance differences between good and poor military .Results (1)The good performance of armored military were 61 .2% ,and 38 .8% ones were poor .(2)The SCL-90 scores ,interpersonal sensitivity ,anxiety and hostility factors of good military performance were significantly lower than those with poor military performance(P<0 .05) .(3)The PSQI scores of Good military performance was 5 .83 ± 2 .94 ,and the poor was 7 .63 ± 3 .85 ;The sleep quality ,sleep latency ,sleep efficiency and daytime dysfunc-tion factors of good military performance subjective were significantly lower than those of poor military performance(P<0 .05) . Conclusion Psychological status and quality of sleep are important factors to influence performance of military armored force .

6.
Chinese Journal of Nervous and Mental Diseases ; (12): 710-714,720, 2014.
Article in Chinese | WPRIM | ID: wpr-600598

ABSTRACT

Objective To compare with the effect of high-frequency repetitive transcranial magnetic stimulation (rTMS) between the left and the right prefrontal on refractory negative symptoms and serum brain-derived neurotrophic factor (BDNF). Methods 80 hospitalized schizophrenics with refractory negative symptoms were divided into study group (n=40) and control group (n=40) randomly. Both groups were received 4-week treatment of 10 Hz rTMS. The stimulus lo?cation of the study group was the left prefrontal, and the control group was the right prefrontal. The type and dose of anti?psychotics remained unchanged during the treatment. The evaluation of positive and negative symptom scale (PANSS) and the measurement of BDNF concentration before treatment and after 4 weeks treatment was analyzed. Results Com?pared with before treatment, the total score of PANSS after treatment significantly decreased (P<0.05) both in the study group [(71.2±13.8) vs. (63.3±11.4)] and the control group [(70.3±13.4) vs. (63.7±12.2)]. The score of negative symptoms in the study group decreased [(22.8±6.6) vs. (18.4±5.9), P<0.01]. The BDNF concentration increased in the study group ](6.78±2.16) vs. (8.74±2.76)] and the control group [(6.83±2.32) vs. (8.66±2.70)]. Conclusion 10Hz rTMS on the left pre?frontal combined with drugs are helpful to improve the refractory negative symptom of the patients with schizophrenia. Stimulation on both left and right prefrontal lobe could increase serum BDNF concentration.

7.
Chinese Journal of Behavioral Medicine and Brain Science ; (12): 919-921, 2012.
Article in Chinese | WPRIM | ID: wpr-419456

ABSTRACT

ObjectivesTo explore the characteristic of different subtypes of depression on prefrontal lobe and hippocampus by proton magnetic resonance spectroscopy (1H-MRS),and its relationship.Methods 46 patients of depression,which were met with the third edition of the Chinese Classification of Mental Disorders (CC-MD-Ⅲ ) since December 2010 to March 2012 from Mental Diseases Prevention and Treatment Institute,were examined at prefrontal lobe and hippocampus by multi-voxel 1 H-MRS.They were divided into male ( n =25) and female ( n =21 ),early-onset subtype ( n =26) and late-onset subtype ( n =20 ),short-duration of illness ( n =23 )and long-duration of illness ( n =23 ) by different criteria.The N-acetylaspartate ( NAA),Choline-congtaining compounds (Cho),and Creatine compounds (Cr) were measured and the ratios of NAA/Cr,Cho/Cr were determined.ResultsOn left prefrontal lobe,the NAA/Cr ratios in patients of male ( 1.83 ± 0.19),late-onset subtype (1.86 ±0.16),and short-duration of illness ( 1.83 ±0.17) showed higher than those in female ( 1.70 ±0.12,t=2.711,P < 0.01 ),early-onset subtype ( 1.70 ± 0.19,t =3.028,P < 0.01 ),and long-duration of illness ( 1.71±0.20,t =2.192,P<0.05).Both on left prefrontal and on left thalamus,the ratios of NAA/Cr were positively correlated with the age of onset ( r=0.493 and 0.478,P<0.01 ),and were negatively correlated with the duration of illness ( r =- 0.482 and - 0.470,P < 0.01 ).ConclusionsDifferent subtypes of depression maybe have different characteristics of 1H-MRS due to the age of onset and the duration of illness.

8.
Chinese Journal of Behavioral Medicine and Brain Science ; (12): 731-733, 2012.
Article in Chinese | WPRIM | ID: wpr-427607

ABSTRACT

ObjectiveTo explore the metabolite status on prefrontal lobe and thalamus by proton magnetic resonance spectroscopy (1H-MRS) and affecting factors in patients of schizophrenia.Methods 159 schizophrenics met with CCMD-3 and 45 normal controls were examined at prefrontal lobe and thalamus by multi-voxel 1H-MRS.The N-acetylaspartate ( NAA),Choline-congtaining compounds ( Cho),and Creatine compounds (Cr)were measured and the ratios of NAA/Cr,Cho/Cr were determined. Positive and Negative Syndrome Scale (PANSS),Social Disability Screening Schedule (SDSS),and Wisconsin Card Sorting Test (WCST) were also assessed.ResultsOn left prefrontal lobe of patients,the NAA/Cr ratio demonstrated lower than that in normal controls (1.42 ±0.34 vs.1.64 ±0.39,t =3.70,P<0.01 ).The same phenomenon were appeared on left thalamus (1.46±0.35 vs.1.66±0.38,t=3.32,P<0.01) and on right thalamus (1.49±0.34 vs.1.62±0.37,t=2.04,P < 0.05 ).Contributing to the NAA/Cr ratio,main influencing factors on left prefrontal lobe were age of onset,duration of illness,score of negative symptoms,antipsychotic treatment,total score of PANSS,Categories completed of WCST,total score of SDSS,year of education.Main influencing factors on left thalamus were age of onset,duration of illness,antipsychotic treatment.Main influencing factors on right thalamus were duration of illness,age of onset,score of negative symptoms,antipsychotic treatment,and family history.ConclusionsAbnormalities in neuronal function and/or integrity presented on prefrontal lobe and thalamus in schizophrenics are related to many respects,especially age of onset,duration of illness and antipsychotic treatment.

9.
Chinese Journal of Behavioral Medicine and Brain Science ; (12): 644-646, 2011.
Article in Chinese | WPRIM | ID: wpr-416275

ABSTRACT

Objective To investigate the acute mountain sickness of servicemen during4.14Yushu earhquake relief work,and analyze the related factors of the sickness at the initial phase of acute plateau exposure.Methods 162 servicemen were sampled randomly and clusteringly from Yushu relief force during.the inidal phase of acute plateau exposure.According to theDiagnosis and treatment principles of the acute mountain sickness,the prevalence of the acute mountain sickness was judged among the servicemen.The scales of general status invested score(GSIS),the self-rating symptom scale(SCL-90)and the life event scale(LES)were used to investigate the related factors of the acute mountain sickness.Results 65.4% of servicemen in earthquake relief work had acute mountain sickness,including mild 17.3%,moderate 31.5%and severe 16.7%.The occurrences of pant,palpitation,dizziness,lips cyanosis and headache,were higher than other symptoms,accounting for 83.6%,79.1%,73.1%,61.2%and 58.2%.The positive significant correlation was found among the symptoms score of acute mountain sickness and age,marriage,trauma history,negative events,and the most genes(somatization,obsession,depression,anxiety,hostility,fear,paranoia,appetite,sleep)and total score of SCL-90(r=0.188~0.619,P<0.01 or 0.05).There was negative significant correlation among the symptoms score and the personality and social support(r=-0.254,P<0.01;r=-0.285,P<0.01).Regression analysis showed that the somatization,personality,marriage,social support and age were more important than other factors.Conclusion Attention should be paid to the acute mountmn sickness in the relief force during the initial phase of acute plateau exposure,and the morbidity rate of acute mountain sickness were correlated with the somatization,personality,marriage,social support and age.

10.
Chinese Journal of Behavioral Medicine and Brain Science ; (12): 1111-1114, 2011.
Article in Chinese | WPRIM | ID: wpr-423519

ABSTRACT

Objective To compare the metabolic measures on prefrontal lobe and thalamus among schizophrenics with or without mental disorder family history by proton magnetic resonance spectroscopy (1 H-MRS),and to explore the relationship among metabolic measures,clinical symptom,and executive functioning.Methods Thirty-one schizophrenics with schizophrenia family history,21 schizophrenics with the other mental disorder family history,and 78 schizophrenics without mental disorder family history were examined at prefrontal lobe and thalamus by multi-voxel 1H-MRS.The N-acetylaspartate (NAA),Choline-congtaining compounds (Cho),and Creatine compounds (Cr) were measured and the ratios of NAA/Cr and Cho/Cr were determined.Meanwhile,Positive and Negative Syndrome Scale (PANSS) and Wisconsin Card Sorting Test (WCST) were also assessed in all schizophrenics.Results Both in schizophrenics with schizophrenia family history and with the other mental disorder family history,the NAA/Cr ratios showed lower than those in schizophrenics without mental disorder family history both on left prefrontal lobe and on fight thalamus ( P < 0.05 ).Compared with schizophrenics without mental disorder family history,the score of negative symptoms and the perseverative errors demonstrated higher ( P< 0.05 or 0.01 ),the categories completed showed lower both in schizophrenics with schizophrenia family history and with the other mental disorder family history ( P<0.05 ).The NAA/Cr ratios on left prefrontal lobe in all schizophrenics were significantly negatively related with the total score of PANSS and the responses errors (P < 0.05 or P< 0.01 ),and positively related with the categories completed and the conceptual level responses ( P< 0.05 or P< 0.01 ).On left prefrontal lobe both in schizophrenics with schizophrenia family history and with the other mental disorder family history,the ratios of NAA/Cr were negatively related with the score of negative symptoms and the perseverative errors ( P < 0.05 or 0.01 ).Conclusion The damages of neurons on prefrontal lobe and thalamus in schizophrenics with mental disorder family history may be more severe than those in schizophrenics without family history,and the damages on prefrontal lobe are related with negative symptoms and executive functioning.

11.
Chinese Journal of Nervous and Mental Diseases ; (12): 161-164, 2010.
Article in Chinese | WPRIM | ID: wpr-403243

ABSTRACT

Objective To identify the metabolic alterations in the prefrontal lobe in male patients with schizophrenia by proton magnetic resonance spectroscopy (~1H-MRS), and to study the relationship between metabolic alterations and executive function. Methods The study was conducted in 26 male schizophrenics with medicine-free for at least 7 days and 28 normal controls. A multi-voxel ~1H-MRS on the prefrontal lobe was performed in all the subjects within 24 hours of admission. Wisconsin Card Sorting Test (WCST) was used to evaluate executive function. The NAA, Cho and Cr were measured and the ratios of NAA/Cr, Cho/Cr and NAA/(Cho+Cr) were calculated. Results Compared with normal controls, the patients demonstrated significantly lower NAA/Cr ratio (t=2.93, P<0.01) in the left prefrontal lobe and poorer performance in WCST (P<0.05). The NAA/Cr ratio in the left prefrontal lobe was positively associated with the responses errors and the perseverative errors of WCST(r=0.45, P<0.05; r=0.47, P<0.05)and negatively associated with the categories completed and conceptual level responses(r=-0.54, P<0.01; r=-0.56, P<0.01). Conclusions Abnormalities in neuronal function and/or integrity are present in the left prefrontal lobe of male schizophrenics. The neuron damage in the left prefrontal lobe of male schizophrenic may be the primary cause of cognition dysfunction.

12.
Chinese Journal of Behavioral Medicine and Brain Science ; (12): 1110-1112, 2010.
Article in Chinese | WPRIM | ID: wpr-385210

ABSTRACT

Objective To investigate the effects of comprehensive psychological intervention on psychological and biochemical indexes of servicemen in three degree combat readiness. Methods 189 servicemen in three degree combat readiness were randomly divided into the study group and the control group by squad. Beyond the same exercise and education as the control group, the study group received the comprehensive psychological intervention in the course. They were all assessed with Self-rating Depression Scale (SDS) ,self-rating anxiety scale (SAS) ,and simplified coping style questionnaire (SCSQ) at the day entering three degree combat readiness (prereadiness) and the next day after the mission (post-readiness). The serum concentrations of superoxide dismutase ( SOD), malondialdehyde ( MDA), cortisol ( COR), and aldosterone (ALD) were determined to evaluate biochemical indexes at the same time. Results Compared with the control group after the combat readiness, the total scores of SDS( (42.1 ± 9.3 ) vs (49.2 ± 10.3 ) ) and SAS( (43.8 ± 7.2) vs (50.6 ± 10.2), P< 0. 01 ) were lower, the score of the positive coping style ( ( 21.2 ± 6.4) vs ( 18.2 ± 5.4), P < 0. 05 ) was higher in the study group.Meanwhile,the levels of MDA( (2.6 ±0.51 ) μmol/L) ,COR( (252.5 ±52.4) ng/ml) ,and ALD ( (97.5 ±24.4) pg/ml) were lower ( P < 0. 01 ), the activity of SOD ( ( 1551 ± 354 ) U/gHb) was higher ( P < 0. 01 ) after the combat readiness. In the control group post-readiness, the total scores of SDS (49.2 ± 10.3) and SAS (50.6± 10.2) ,the levels of MDA ( (2.9 ±0.35 ) μmol/L) ,COR( (333.8 ±62.6) ng/ml) ,and ALD( ( 123.8 ±29.6)pg/ml ) increased significantly (P<0.01), the score of the positive coping style ( 18.2 ± 5.4) and the activity of SOD ( 1302 ± 352 ) U/gHb decreased significantly ( P < 0. 01 ). The total scores of SDS, SAS were negatively related to the level of SOD ( r= -0. 142, -0. 119, P<0. 0lor 0.05) ,and positively related to COR ( r=0. 156,0. 159, P<0. 01 ) and ALD ( r=0.151,0.156, P<0. 01 ). The score of positive coping style was positively related to the level of SOD ( r=0. 141, P<0. 01 ) ,and negatively related to COR and ALD ( r= -0. 152, -0. 155, P< 0. 01 ). Conclusion Comprehensive psychological intervention could effectively improve the psychological and biochemical indexes,reduce the stress level of servicemen in three degree combat readiness.

13.
Chinese Journal of Medical Imaging Technology ; (12): 1152-1155, 2009.
Article in Chinese | WPRIM | ID: wpr-472060

ABSTRACT

Objective To identify the metabolite levels in prefrontal lobe and thalamus in patients of schizophrenia with proton magnetic resonance spectroscopy (1H-MRS). Methods Twenty-six schizophrenics with medicine-free for at least 7 d and 28 normal controls were assessed in this study. All subjects underwent examination of multi-voxel 1H-MRS on prefrontal lobe and thalamus within 24 h. The NAA, Cho and Cr were measured and the ratios of NAA/Cr, Cho/Cr and NAA/(Cho+Cr) were determined. Results Compared with the controls, the NAA/Cr ratio of schizophrenics was significantly lower in left prefrontal lobe and bilateral thalamus (all P<0.05). No statistical difference of NAA/(Cho+Cr) ratio and the Cho/Cr ratio was found between two groups. Conclusion Abnormalities in neuronal function and/or integrity are present at left prefrontal lobe and bilateral thalamus simultaneously in schizophrenics.

14.
Chinese Mental Health Journal ; (12)2002.
Article in Chinese | WPRIM | ID: wpr-583917

ABSTRACT

Objective:To investigate the status of brain evoked potentials (BEP) and the relationship between BEP and psychiatric symptoms before and after treatment in patients with post-traumatic stress disorder (PTSD). Methods: P_(300), auditory evoked potential (AEP), visual evoked potential (VEP) of BEP, Symptom Checklist-90 (SCL-90) and Impact of Event Scale (IES) were used to evaluate 86 patients with PTSD (PTSD group) and 56 normal controls (control group), PTSD patients were followed up with the same markers after 3.5 months treatment.Results:Compared with the control group, PTSD patients showed delayed latency and increased amplitude of P_(300)-P_3, delayed AEP-N_2 latency, and delayed VEP-P_2 latency. Shortened latency and decreased amplitude of P_(300)-P_3, and shorted VEP-P_2 latency were found after treatment. The mostly items of BEP were significantly related to psychical symptoms before treatment, and the changes of BEP were significantly related to the alleviation of psychical symptoms after treatment.Conclusion:BEP might be state markers of PTSD. The clinical application of BEP in PTSD is emphasized.

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