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1.
目的 探索精神分裂症患者在语音和音乐刺激时闭眼眼球活动的特征。方法 对70例精神分裂症,34例情感性精神障碍和33例正常对照者进行语音和音乐刺激,观察其闭眼眼球活动(CEMS)的变化。结果 精神分裂症组中,r波次数的平均秩和与怀古性精神障碍相似,但高于正常对照组(P〈0.01);s波则分别低于后二者(P〈0.05 ̄0.01);此外,每次语音刺激前和刺激时的r波次数均无显著性差异。CEMS值与BPR  相似文献   

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躁狂抑郁症患者安静状态下的闭眼眼球活动   总被引:2,自引:0,他引:2  
目的探讨躁狂抑郁症患者闭眼眼球活动(CEM)的特征。方法对31例躁狂抑郁症、32例精神分裂症患者和26名正常人进行了研究。每例受检者在安静状态下接受15分钟闭眼眼电描记,计算最后5分钟内平均每分钟眼电活动的次数。结果躁狂抑郁症患者的CEM指标值介于精神分裂症和正常者之间,差异有显著性(P<0.05~P<0.01);18例躁狂发作和13例抑郁发作的患者之间,CEM值差异均无显著性;BechRafaelson躁狂量表或汉米尔顿抑郁量表总分与CEM值无显著相关;正在服用精神药物的23例躁狂抑郁症患者的CEM值与未服药的8例患者相比,差异无显著性。结论躁狂抑郁症患者安静状态下的CEM具有其本身的特征,此特征有可能作为与精神分裂症患者和正常对照者的区别点  相似文献   

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目的:为探讨Alzheimer病(AD)和老年精神分裂症患者(SS)在定量脑电地形图(BEAM)检查中特点。方法:应用丹麦SEEG-16道脑电地形图仪,对符合DSM-Ⅲ-R诊断标准的32例AD、24例SS和39例正常老人作了BEAM检查。结果:BEAM-EEG图象上AD患者和SS患者均出现低密度带,前者为横行形,后者趋向凹字形。与正常老人相比,AD患者和SS患者BEAM-EEG变化特征是,δ和θ波功率上AD在所有点、SS在主要点均增高,绝大部分脑区增高程度在统计学上有显著意义。α波功率下降,AD患者在后颞、前颞、顶区,SS患者在额区、顶区有显著差异。β波功率AD患者在前额、后颞,SS患者在额极、中颞、后颞、枕区增高,且有显著性。结论:AD患者和SS患者的BEAM-EEG具有不同于正常老人的变异,且AD和SS患者在脑区记录点异常分布上明显不同,提示BEAM-EEG对AD患者和SS患者鉴别上有一定参考意义。  相似文献   

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目的探讨阿尔茨海默病(AD)和老年精神分裂症(SS)脑干听觉诱发电位(BAEP)的特点。方法应用丹麦电生理仪及Click短声刺激,测查32例AD、34例SS和40名正常老年人(NC)的BAEP。结果AD组患者波形变异大,绝对潜伏期波Ⅲ、波Ⅳ和波Ⅵ明显延迟,主波绝对波幅波Ⅴ平均波幅分别低于SS组和NC组18%和34%,波Ⅱ、波Ⅳ、波Ⅴ、波Ⅵ和Ⅶ绝对波幅也显著低于SS组和NC组,与NC组间差异有显著性。SS组波Ⅲ、波Ⅵ绝对潜伏期较NC组延迟,绝对波幅波Ⅶ平均波幅低于NC组20%。结论老年精神疾病BAEP异常表现在听神经至桥脑下段之间  相似文献   

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目的 探讨阿尔茨海默病(AD)和老年精神分裂症(SS)脑干听觉诱导电位(BAEP)的特点。方法 应用丹麦电生理仪及Click短声刺激,测查32例AD、34例SS和40名正常老年人(NC)的ABEP。结果 AD组患者波形变异大,绝对潜伏期波Ⅲ、波Ⅳ和波Ⅵ明显延迟,主波绝对波幅波Ⅴ平均波幅分别低于SS组和NC组18%和34%,波Ⅱ、波Ⅱ、波Ⅳ、波Ⅴ、波Ⅵ和Ⅶ绝对波幅也显著低于SS组和NC组,与NC组间  相似文献   

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精神分裂症和抑郁症患者体感诱发电位的初步研究   总被引:3,自引:0,他引:3  
为观察精神分裂症和抑郁症患者体感诱发电位(SEP)的变化,使用CA-1000诱发电位叠加仪对41例精神分裂症患者及29例抑郁症患者SEP进行观察,并与25名正常人比较。结果显示,精神分裂症患者SEP波型变异大,P2,N2及P3波潜伏期明显缩短,主波P2平均波幅较抑郁症和正常人组分别降低40%及63%,N1-P1,P2-N2及P3波波幅亦显著降低,与抑郁症和正常人组间均有显著或非常显著性差异。抑郁症患者P2波平均波幅比正常人组降低30%,与正常人组有非常显著性差异。提示对SEP作为精神科临床诊断和家系研究中易感素质筛选方面的生物学标记,值得进一步探讨  相似文献   

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眼球活动与精神分裂症   总被引:8,自引:2,他引:6  
作者给1993年2月在上海市精神卫生中心一个男病房和一个女病房住院的所有精神分裂症病例,同期住院的全院所有情感性精神障碍病例。同期住院的神经症病房所有病人,以及与精神分裂症组在年龄,性别和教育程度上相似的正常对照者,总共271人,测定“平稳眼跟踪”及“探查性眼球活动”。结果发现SEM的凝视点和眼光扫描总长度在分裂症与其余各组之间有极显著差异。可以认为它是精神分裂症的一种生物标志和辅助诊断指标。再以  相似文献   

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Alzheimer病及老年精神分裂症患者脑电图的检测   总被引:1,自引:0,他引:1  
为比较Alzheimer病(AD)和老年精神分裂症(SS)患者脑电图(EEG)的各自特点。方法对32例AD患者、24例SS患者及39例正常老人,使用丹麦SEEG—16道脑电图仪,完成EEG检查。结果AD患者EEG异常率87.5%,显著高于SS患者的66.7%和正常老人的28.2%。(X检验,P<0.01)。AD患者、SS患者分别较正常老人慢波活动及α慢波化显著增加(X检验,P<0.01)。AD患者和正常老人2个年龄组的异常率随年龄增大而增高。AD患者和正常老人EEG检查结果与CASI量表分之间存有一定关系,但在SS患者中则否。结论AD患者和SS患者的EEG表现出具有不同于正常衰老的变异,且AD和SS在<8.5Hzα波上有明显差异,因而EEG对了解AD患者和SS患者及两个疾病鉴别上仍有一定参考价值。  相似文献   

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用自制眼球活动记录仪对41例急性精神分裂症病人(其中服药者24例,未服药者17例),25例已缓解的精神分裂症病人,22例部分缓解的精神分裂症病人,以及74例正常对照者的探查性眼球活动进行研究。结果发现,各精神分裂症组的眼球活动指标(注视点数NEF,总扫描距离TESL反应性探查分RSS)均显著低于正常对照组;而各患者组之间无差异,这一发现提示,眼球活动异常可能是精神分裂症的生物学标志。  相似文献   

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短暂性脑缺血发作认知功能与事件相关电位研究   总被引:11,自引:0,他引:11  
目的:探讨短暂性脑缺血发作(TIA)病人事件相关电位(ERP)的变化规律及其临床意义。方法:用听觉Oddball刺激序列ERP、认知能力筛选试验(CCSE)和简易智力状态试验(MMSE)检测32例TIA病人和30例年龄、性别、利手和教育程序相匹配的正常人。结果:病人组ERP的N2和P3峰潜伏期较对照组显著延长,N2和P3波幅组均无显著差异、P3峰潜伏期(P3PL)异常率为25%。病人组MMSE较对  相似文献   

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Summary Beginning from the observation that Scots living in England have much higher rates of mental hospital admission than do the English, several hypotheses are proposed to account for this. Much of the excess in rates of mental illness is accounted for by those diagnosed as having alcohol-related disorders and behaviour and personality problems. The results of an examination of offical statistics in the two countries enabled some explanations to be offered. It was found that rates of admissions to mental hospitals are higher in Scotland than in England but not as high as those found among Scots migrants who have a much higher rate of readmission to hospitals than either of the other groups. In fact, if first admissions only are considered the rates of admission in Scotland are not only higher than rates for English natives but also higher than for Scottish migrants. It seems that Scots living in England are somewhat less likely to become mental patients than Scots in Scotland but that once they do achieve this status they are very much more likely to be readmitted on subsequent occasions. It was concluded that there might be two fairly distinct groups of migrants from Scotland to England who have different backgrounds, different reasons for migrating and different psychological characteristics. On the one hand there are stable, economically motivated migrants who move south for definite employment related reasons and who show few psychological symptoms. While on the other hand there is a group of migrants who perhaps have psychological problems and who move more in hope than expectation without definite prospects and who account for the high rates of mental hospital admission found in Scottish migrants.  相似文献   

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Prostacyclin release from rat isolated perfused hearts and from dog coronary circulation was studied by measuring immunoreactive 6-keto-PGF1 alpha (6-keto-PGF1a) in heart perfusate and in plasma obtained from the great cardiac vein respectively. Continuous infusion of arachidonic acid at constant concentration in isolated perfused hearts induced an increased prostacyclin release. This release showed a rapid peak within 10 min and a subsequent decrease. Low-flow ischemia induced an increased perfusate concentration of 6-keto-PGF1a but, considering the decreased flow, prostacyclin release was actually reduced. During the whole period of ischemia (60 min) prostacyclin release was constant. In open-chest anesthetized dogs 6-keto-PGF1a concentration in the great cardiac vein was increased after ligation of the left anterior descending coronary artery. A prolonged period of coronary occlusion (4.5 hours) resulted in a progressive rise of prostacyclin release. 6-keto-PGF1a determinations in the femoral vein and in the aorta did not show relevant variations during the observation period.  相似文献   

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抑郁是癫痫患者中常见的精神障碍,严重地影响了患者的生活质量。传统的观点认为癫痫患者因为存在着诸多社会学问题易出现抑郁倾向,癫痫和抑郁是单向的联系,但大量的研究已经证明癫痫和抑郁之间存在双向的联系,一种异常状态的存在可能易转化为另一种异常状态的发展。癫痫和抑郁存在着共同的发病机制。本文主要就癫痫和抑郁的双向联系以及抗抑郁药物在癫痫患者中的应用进行阐述。  相似文献   

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<正>2022年,国际上公布了多项大型神经介入领域的随机对照试验(randomized controlled trial,RCT)结果,在血管内治疗(endovascular treatment,EVT)急性大血管闭塞(large vessel occlusion,LVO)适应证的扩展、药物治疗、管理,症状性颅内动脉粥样硬化性狭窄(symptomatic intracranial atherosclerotic stenosis,sICAS)治疗,无症状性颈动脉狭窄治疗,  相似文献   

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Epilepsy is a major public health problem in many tropical countries. Also, some of the tropical diseases are major contributors to the higher prevalence of epilepsy in these countries. The etiologic factors responsible for epilepsy in these countries are quite different from those in the developed world. This article discusses the etiologic factors and neuroimaging of epilepsy in light of the conditions in these tropical countries.  相似文献   

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