Objective:Behavioral interventions have been shown to ameliorate the electroencephalogram(EEG)dynamics underlying the behavioral symptoms of autism spectrum disorder(ASD),while studies have also demonstrated that mirr...Objective:Behavioral interventions have been shown to ameliorate the electroencephalogram(EEG)dynamics underlying the behavioral symptoms of autism spectrum disorder(ASD),while studies have also demonstrated that mirror neuron mu rhythm-based EEG neurofeedback training improves the behavioral functioning of individuals with ASD.This study aimed to test the effects of a wearable mu rhythm neurofeedback training system based on machine learning algorithms for children with autism.Methods:A randomized,placebo-controlled study was carried out on 60 participants aged 3 to 6 years who were diagnosed with autism,at two center-based intervention sites.The neurofeedback group received active mu rhythm neurofeedback training,while the control group received a sham neurofeedback training.Other behavioral intervention programs were similar between the two groups.Results:After 60 sessions of treatment,both groups showed significant improvements in several domains including language,social and problem behavior.The neurofeedback group showed significantly greater improvements in expressive language(P=0.013)and cognitive awareness(including joint attention,P=0.003)than did the placebo-controlled group.Conclusion:Artificial intelligence-powered wearable EEG neurofeedback,as a type of brain-computer interface application,is a promising assistive technology that can provide targeted intervention for the core brain mechanisms underlying ASD symptoms.展开更多
The effects of prosodic phrase(PP)boundary on the pitch lowering of downstep and focus,as well as the domains of them were investigated in Chinese Putonghua,by using designed sentences which consist of two prosodic ph...The effects of prosodic phrase(PP)boundary on the pitch lowering of downstep and focus,as well as the domains of them were investigated in Chinese Putonghua,by using designed sentences which consist of two prosodic phrases(i.e.,PP1,PP2).The results showed that:(1)The PP boundary blocked the downstep effect in the preceding phrase,indicating that PP is the domain of downstep.(2)The post-focus F0 lowering effect in PP1 spread across the PP boundary and lower the FO contour of PP2.If there is a downstep effect in PP2,the postboundary compression effect of the prior focus will accumulate with the downstep,producing further lowered contour.Therefore,the domain of focus is an intonational phrase(IP).(3)When there is one contrastive focus in each phrase,the outstanding pitch reset elicited by the second focus will block the FO lowering effect of PP1 onto PP2,and the two foci are realized independently.展开更多
The success of the Beijing Winter Olympics and Paralympics epitomized the vision of a community with a shared future for humankind.Various robots and artificial intelligence technologies were used in various games and...The success of the Beijing Winter Olympics and Paralympics epitomized the vision of a community with a shared future for humankind.Various robots and artificial intelligence technologies were used in various games and events,such as assisting in parades,logistics,and security inspections.The integration of unmanned robotic systems into torch relays was one of the highlights of the Winter Olympics.展开更多
基金funded by a grant from Qiangnao Keji(BrainCo)Ltd.
文摘Objective:Behavioral interventions have been shown to ameliorate the electroencephalogram(EEG)dynamics underlying the behavioral symptoms of autism spectrum disorder(ASD),while studies have also demonstrated that mirror neuron mu rhythm-based EEG neurofeedback training improves the behavioral functioning of individuals with ASD.This study aimed to test the effects of a wearable mu rhythm neurofeedback training system based on machine learning algorithms for children with autism.Methods:A randomized,placebo-controlled study was carried out on 60 participants aged 3 to 6 years who were diagnosed with autism,at two center-based intervention sites.The neurofeedback group received active mu rhythm neurofeedback training,while the control group received a sham neurofeedback training.Other behavioral intervention programs were similar between the two groups.Results:After 60 sessions of treatment,both groups showed significant improvements in several domains including language,social and problem behavior.The neurofeedback group showed significantly greater improvements in expressive language(P=0.013)and cognitive awareness(including joint attention,P=0.003)than did the placebo-controlled group.Conclusion:Artificial intelligence-powered wearable EEG neurofeedback,as a type of brain-computer interface application,is a promising assistive technology that can provide targeted intervention for the core brain mechanisms underlying ASD symptoms.
基金supported by the Capacity Building for Sci-Tech Innovation-Fundamental Scientific Research Funds(025185305000/114)
文摘The effects of prosodic phrase(PP)boundary on the pitch lowering of downstep and focus,as well as the domains of them were investigated in Chinese Putonghua,by using designed sentences which consist of two prosodic phrases(i.e.,PP1,PP2).The results showed that:(1)The PP boundary blocked the downstep effect in the preceding phrase,indicating that PP is the domain of downstep.(2)The post-focus F0 lowering effect in PP1 spread across the PP boundary and lower the FO contour of PP2.If there is a downstep effect in PP2,the postboundary compression effect of the prior focus will accumulate with the downstep,producing further lowered contour.Therefore,the domain of focus is an intonational phrase(IP).(3)When there is one contrastive focus in each phrase,the outstanding pitch reset elicited by the second focus will block the FO lowering effect of PP1 onto PP2,and the two foci are realized independently.
基金This study was supported by the National Natural Science Foundation of China(U22A2067,62103406,61821005,61925307,and 62333007)。
文摘The success of the Beijing Winter Olympics and Paralympics epitomized the vision of a community with a shared future for humankind.Various robots and artificial intelligence technologies were used in various games and events,such as assisting in parades,logistics,and security inspections.The integration of unmanned robotic systems into torch relays was one of the highlights of the Winter Olympics.
