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Interaction between semantic and phonological processes in stuttering Evidence from the dual-task paradigm

Neural Regeneration Research 2010年第18期5卷 1435-1440页

作者： Luping Song Danling Peng Nlng Nlng Department of Neural Rehabifitation China Rehabilitation Research Center Capital Medical University School of Rehabilitation Medicine Beijing 100068 China State Key Laboratory of Cognitive Neuroscience and Learning Beijing Normal University Beijing 102600 China

stuttering is a common neurological deficit and its underlying cognitive mechanisms are a matter of debate, with evidence suggesting abnormal modulation between speech encoding and other cognitive components. Previous studies have mainly used single task experiments to investigate the disturbance of language production. It is unclear whether there is abnormal interaction between the three language tasks （orthographic, phonological and semantic judgment） in stuttering patients. This study used dual tasks and manipulated the stimulus onset asynchrony （SOA） between tasks 1 and 2 and the nature of the second task, including orthographic, phonological, and semantic judgments. The results showed that the performance records of orthographic judgment, phonological judgment, and semantic judgment were significantly reduced between the patient and control groups with short SOA （P 〈 0.05）. However, different patterns of interaction between task 2 and SOA were observed across subject groups： subjects with stuttering were more strongly modulated by SOA when the second task was semantic judgment or phonological judgment （P 〈 0.05）, but not in the orthographic judgment experiment （P 〉 0.05）. These results indicated that the interaction mechanism between semantic processing and phonological encoding might be an underlying cause for stuttering.

关键词： stuttering semantic processing phonological processing interaction dual-task paradigm

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微分方程组解stuttering Poisson分布密度函数的讨论

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高等函授学报（自然科学版） 2012年第4期25卷 3-5页

作者：张慧铭褚莉莉刁钰华中师范大学经济管理学院武汉430079 华中师范大学数学与统计学学院武汉430079

文中Poisson分布的普通性修改后得到一种推广的Poisson分布—stuttering Poisson分布,它具有在充分短的时间段内来到多次事件的性质,它在库存管理、运筹学、经济学等领域都有应用。类似微分方程法解得Poisson分布密度函数,本文构造差分... 详细信息

文中Poisson分布的普通性修改后得到一种推广的Poisson分布—stuttering Poisson分布,它具有在充分短的时间段内来到多次事件的性质,它在库存管理、运筹学、经济学等领域都有应用。类似微分方程法解得Poisson分布密度函数,本文构造差分微分方程,然后将其转变为常系数线性微分方程组,用欧拉方法最终求得了stuttering Poisson分布密度函数,并对密度函数的表达式给出了一个直观解释。

关键词： stuttering Poisson分布差分微分方程常系数线性微分方程组 Poisson过程的叠加非寿险精算

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Unexpected Airway Obstruction Caused by Bilateral Hypoglossal Nerve Palsy Following Second Radical Neck Dissection

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Open Journal of Anesthesiology 2013年第3期3卷 123-125页

作者： Shinichi Ito Shigeki Fujiwara Tomoaki Yatabe Koichi Yamashita Takeshi Yokoyama Department of Anesthesi- ology and Critical Care Medicine Kochi Medical School Hospital Nankoku Japan Department of Dental Anesthesiology Faculty of Dental Science Kyushu University Fukuoka Japan

A 67-year-old woman underwent right radical neck dissection for cervical lymph node metastasis from maxillary gingival carcinoma. Two months later, metastasis in the left superior internal jugular lymph nodes were discovered, and left radical neck dissection was performed. Postoperatively, airway obstruction occurred despite performing extubation after confirming that the patient had fully recovered from anesthesia. Bilateral hypoglossal nerve palsy was diagnosed and the patient was reintubated. After extubation on the following day, airway obstruction was relieved, but slurred speech and impaired swallowing were persistent. In view of this, hypoglossal nerve function should be examined before the second radical neck dissection on the contralateral side.

关键词： Hypoglossal Nerve Injuries Neck Dissection Airway Obstruction stuttering Deglutition Disorders

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Central Timing Adaptation Capacity in People Who Stutter:Evidence from the Psychological Refractory Paradigm

Central Timing Adaptation Capacity in People Who Stutter:Evi...

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第十届全国心理学学术大会

作者： Ning Ning Institute of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China, 100875 Danlin Peng Institute of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China, 100875 Luping Song Bejing Boai Hospital, Beijing, China, 100077 Chunming Lu Institute of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China, 100875 Zhenlin Ma Institute of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China, 100875

stuttering is usually considered as a disruption in speech timing. In order to explain the different performance in time perception and production of stutterers, central timing adaptation (CTA) capacity was introduced, which represents the ability to adjust one’s own speech production timing pattern according to the outside demanding. A refined psychological refractory period

关键词： stuttering Central timing adaptation Psychological refractory period Speech production

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