Motor imagery(MI)based electroencephalogram(EEG)represents a frontier in enabling direct neural control of external devices and advancing neural rehabilitation.This study introduces a novel time embedding technique,te...Motor imagery(MI)based electroencephalogram(EEG)represents a frontier in enabling direct neural control of external devices and advancing neural rehabilitation.This study introduces a novel time embedding technique,termed traveling-wave based time embedding,utilized as a pseudo channel to enhance the decoding accuracy of MI-EEG signals across various neural network architectures.Unlike traditional neural network methods that fail to account for the temporal dynamics in MI-EEG in individual difference,our approach captures time-related changes for different participants based on a priori knowledge.Through extensive experimentation with multiple participants,we demonstrate that this method not only improves classification accuracy but also exhibits greater adaptability to individual differences compared to position encoding used in Transformer architecture.Significantly,our results reveal that traveling-wave based time embedding crucially enhances decoding accuracy,particularly for participants typically considered“EEG-illiteracy”.As a novel direction in EEG research,the traveling-wave based time embedding not only offers fresh insights for neural network decoding strategies but also expands new avenues for research into attention mechanisms in neuroscience and a deeper understanding of EEG signals.展开更多
The world’s first clinical report on implantation of a 3D-printed mobile cervical prosthesis for the treatment of cervical spondylotic myelopathy was published in China in June 2021[1].It is the continuation of spina...The world’s first clinical report on implantation of a 3D-printed mobile cervical prosthesis for the treatment of cervical spondylotic myelopathy was published in China in June 2021[1].It is the continuation of spinal surgery from spinal stability to mobile artificial cervical spine surgery.The first step forward in the field of mobile artificial cervical surgery is the bullet implant by Fernstroem[2].A variety of mobile discs for the cervical spine(Bryan)were published[3-5].The first with permission for the European Market was the implant from the Charitéin Berlin(Büttner-Janz,1988)[6-7]which I used in Vienna.Although there are some problems,such as motion loss,ossification of intervertebral space,cervical implant displacement and loosening,some cases have achieved certain results[8-9].展开更多
文摘Motor imagery(MI)based electroencephalogram(EEG)represents a frontier in enabling direct neural control of external devices and advancing neural rehabilitation.This study introduces a novel time embedding technique,termed traveling-wave based time embedding,utilized as a pseudo channel to enhance the decoding accuracy of MI-EEG signals across various neural network architectures.Unlike traditional neural network methods that fail to account for the temporal dynamics in MI-EEG in individual difference,our approach captures time-related changes for different participants based on a priori knowledge.Through extensive experimentation with multiple participants,we demonstrate that this method not only improves classification accuracy but also exhibits greater adaptability to individual differences compared to position encoding used in Transformer architecture.Significantly,our results reveal that traveling-wave based time embedding crucially enhances decoding accuracy,particularly for participants typically considered“EEG-illiteracy”.As a novel direction in EEG research,the traveling-wave based time embedding not only offers fresh insights for neural network decoding strategies but also expands new avenues for research into attention mechanisms in neuroscience and a deeper understanding of EEG signals.
文摘The world’s first clinical report on implantation of a 3D-printed mobile cervical prosthesis for the treatment of cervical spondylotic myelopathy was published in China in June 2021[1].It is the continuation of spinal surgery from spinal stability to mobile artificial cervical spine surgery.The first step forward in the field of mobile artificial cervical surgery is the bullet implant by Fernstroem[2].A variety of mobile discs for the cervical spine(Bryan)were published[3-5].The first with permission for the European Market was the implant from the Charitéin Berlin(Büttner-Janz,1988)[6-7]which I used in Vienna.Although there are some problems,such as motion loss,ossification of intervertebral space,cervical implant displacement and loosening,some cases have achieved certain results[8-9].
