The subcortical visual pathway is generally thought to be involved in dangerous information processing,such as fear processing and defensive behavior.A recent study,published in Human Brain Mapping,shows a new functio...The subcortical visual pathway is generally thought to be involved in dangerous information processing,such as fear processing and defensive behavior.A recent study,published in Human Brain Mapping,shows a new function of the subcortical pathway involved in the fast processing of non-emotional object perception.Rapid object processing is a critical function of visual system.Topological perception theory proposes that the initial perception of objects begins with the extraction of topological property(TP).However,the mechanism of rapid TP processing remains unclear.The researchers investigated the subcortical mechanism of TP processing with transcranial magnetic stimulation(TMS).They find that a subcortical magnocellular pathway is responsible for the early processing of TP,and this subcortical processing of TP accelerates object recognition.Based on their findings,we propose a novel training approach called subcortical magnocellular pathway training(SMPT),aimed at improving the efficiency of the subcortical M pathway to restore visual and attentional functions in disorders associated with subcortical pathway dysfunction.展开更多
OBJECTIVE To gather information regarding the usage of fresh medicinal plants and users′perceptions via face-to-face interviews.To date,there is no published report of firsthand account of their usage in Singapore.Su...OBJECTIVE To gather information regarding the usage of fresh medicinal plants and users′perceptions via face-to-face interviews.To date,there is no published report of firsthand account of their usage in Singapore.Such important information may be permanently lost if not properly collated in time.METHODS Information on demographic data,plant-use methods and perception of usage was collated.Participants were recruited via the local newspapers,by word of mouth etc.The survey protocol was approved by the NUS Institutional Review Board.Fresh plant samples/photographs were obtained from the users and voucher specimens were kept.RESULTS Two hundredusers who have used a total of 103 species of fresh medicinal plants anytime in the last 5years participated in the survey.The five most commonly used plants were Clinacanthusnutans(34 users),Strobilanthescrispus(31 users),Pereskiableo(25 users),Aloe vera(18 users),and Zingiberofficinale(16 users).The top 3 most commonly cited medical conditions were diseases of respiratory system(50 users),neoplasm(29 users)anddiseases of circulatory system(20 users).A total of 173 users(86.5%)did not consult any healthcare professional for advice about plant usage,and only one user consulted the pharmacist.Some of the common reasons given for using fresh medicinal plants were recommendation by others(150,75.0%),efficacy(137,68.5%),and safety(117,58.5%).Most users(170,85.0%)were satisfied or highly satisfied with the outcome of plants used.CONCLUSION Two hundred users of fresh medicinal plants have been successfully interviewed and the information documented systematically in a database.The results suggest that fresh medicinal plants have a role to play in healthcare in modern society.The information collated will serve as a useful resource for identifying promising plants for future drug discovery efforts.展开更多
This article has presented some stereotypical views held by Western people about Chinese teachers,and then clarified these misperceptions caused by Western people's different understanding of the meanings of "...This article has presented some stereotypical views held by Western people about Chinese teachers,and then clarified these misperceptions caused by Western people's different understanding of the meanings of "teacher authority","double parental identities",and"strictness"compared to their Chinese counterparts.Then a case study of three Chinese student teachers studying in one Australian university is conducted to analyze their feelings and experiences of teaching in Australia.Finally,the study suggests that Chinese teacher must retain the essence of Chinese good teachers while adopting the advantages of Western teaching culture to improve his / her own teaching practice,and if so,these self changes could be significant to recreate themselves as new Chinese teachers.展开更多
极端灾害将导致电力系统与通信系统同时发生大面积瘫痪,基于“保电救灾、通信先行”原则,优先恢复故障通信是支撑保障电力系统安全运行的关键。该文针对灾后电力通信高效恢复问题,提出了一种计及电力侧状态感知需求与运行调控能力保障...极端灾害将导致电力系统与通信系统同时发生大面积瘫痪,基于“保电救灾、通信先行”原则,优先恢复故障通信是支撑保障电力系统安全运行的关键。该文针对灾后电力通信高效恢复问题,提出了一种计及电力侧状态感知需求与运行调控能力保障的增广路径最大流电力通信网络恢复算法。首先考虑到电力通信系统与电力物理系统的紧耦合特性,设计了计及电力侧影响的状态感知与运行调控能力量化指标,辨识关键信息节点。然后,通过图论最大流理论,搜寻关键信息节点的增广路径集。在此基础上,引入恢复贡献度,从增广路径集中选择具有大容量、低延时以及少故障链路的通信路径进行优先重建,为灾后电力系统快速恢复过程提供可达、可靠的通信支撑。最后,以IEEE39标准系统作为仿真算例,验证了所提恢复策略下的通信系统具有更高的通信服务质量(quality of service,QoS),避免了在恢复过程中由于带宽容量不足而发生业务频繁掉线风险。展开更多
文摘The subcortical visual pathway is generally thought to be involved in dangerous information processing,such as fear processing and defensive behavior.A recent study,published in Human Brain Mapping,shows a new function of the subcortical pathway involved in the fast processing of non-emotional object perception.Rapid object processing is a critical function of visual system.Topological perception theory proposes that the initial perception of objects begins with the extraction of topological property(TP).However,the mechanism of rapid TP processing remains unclear.The researchers investigated the subcortical mechanism of TP processing with transcranial magnetic stimulation(TMS).They find that a subcortical magnocellular pathway is responsible for the early processing of TP,and this subcortical processing of TP accelerates object recognition.Based on their findings,we propose a novel training approach called subcortical magnocellular pathway training(SMPT),aimed at improving the efficiency of the subcortical M pathway to restore visual and attentional functions in disorders associated with subcortical pathway dysfunction.
基金The project supported by the National University of Singapore(NUS)Academic Research Fund(R-148-000-137-112to KHL)NUS Provost Industrial PhD Programme Research Scholarship(to SYY)Singapore International Graduate Award(to SZ)
文摘OBJECTIVE To gather information regarding the usage of fresh medicinal plants and users′perceptions via face-to-face interviews.To date,there is no published report of firsthand account of their usage in Singapore.Such important information may be permanently lost if not properly collated in time.METHODS Information on demographic data,plant-use methods and perception of usage was collated.Participants were recruited via the local newspapers,by word of mouth etc.The survey protocol was approved by the NUS Institutional Review Board.Fresh plant samples/photographs were obtained from the users and voucher specimens were kept.RESULTS Two hundredusers who have used a total of 103 species of fresh medicinal plants anytime in the last 5years participated in the survey.The five most commonly used plants were Clinacanthusnutans(34 users),Strobilanthescrispus(31 users),Pereskiableo(25 users),Aloe vera(18 users),and Zingiberofficinale(16 users).The top 3 most commonly cited medical conditions were diseases of respiratory system(50 users),neoplasm(29 users)anddiseases of circulatory system(20 users).A total of 173 users(86.5%)did not consult any healthcare professional for advice about plant usage,and only one user consulted the pharmacist.Some of the common reasons given for using fresh medicinal plants were recommendation by others(150,75.0%),efficacy(137,68.5%),and safety(117,58.5%).Most users(170,85.0%)were satisfied or highly satisfied with the outcome of plants used.CONCLUSION Two hundred users of fresh medicinal plants have been successfully interviewed and the information documented systematically in a database.The results suggest that fresh medicinal plants have a role to play in healthcare in modern society.The information collated will serve as a useful resource for identifying promising plants for future drug discovery efforts.
文摘This article has presented some stereotypical views held by Western people about Chinese teachers,and then clarified these misperceptions caused by Western people's different understanding of the meanings of "teacher authority","double parental identities",and"strictness"compared to their Chinese counterparts.Then a case study of three Chinese student teachers studying in one Australian university is conducted to analyze their feelings and experiences of teaching in Australia.Finally,the study suggests that Chinese teacher must retain the essence of Chinese good teachers while adopting the advantages of Western teaching culture to improve his / her own teaching practice,and if so,these self changes could be significant to recreate themselves as new Chinese teachers.
文摘极端灾害将导致电力系统与通信系统同时发生大面积瘫痪,基于“保电救灾、通信先行”原则,优先恢复故障通信是支撑保障电力系统安全运行的关键。该文针对灾后电力通信高效恢复问题,提出了一种计及电力侧状态感知需求与运行调控能力保障的增广路径最大流电力通信网络恢复算法。首先考虑到电力通信系统与电力物理系统的紧耦合特性,设计了计及电力侧影响的状态感知与运行调控能力量化指标,辨识关键信息节点。然后,通过图论最大流理论,搜寻关键信息节点的增广路径集。在此基础上,引入恢复贡献度,从增广路径集中选择具有大容量、低延时以及少故障链路的通信路径进行优先重建,为灾后电力系统快速恢复过程提供可达、可靠的通信支撑。最后,以IEEE39标准系统作为仿真算例,验证了所提恢复策略下的通信系统具有更高的通信服务质量(quality of service,QoS),避免了在恢复过程中由于带宽容量不足而发生业务频繁掉线风险。
