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847 results on '"Yanchun Liang"'

174. Relating brain structure images to personality characteristics using 3D convolution neural network

Author

Kaechang Park, Yasuhiro Miura, Lixian Cao, Shinichi Yoshida, Yanchun Liang, Yuki Shinomiya, and Wei Lv

Subjects
Computer Networks and Communications, Computer science, business.industry, media_common.quotation_subject, Structure (category theory), Pattern recognition, Convolutional neural network, Human-Computer Interaction, QA76.75-76.765, Artificial Intelligence, Computational linguistics. Natural language processing, Personality, Computer Vision and Pattern Recognition, Artificial intelligence, Computer software, P98-98.5, business, Information Systems, media_common
Abstract

The Keras deep learning framework is employed to study MRI brain data in a preliminary analysis of brain structure using a convolutional neural network. The results obtained are matched with the content of personality questionnaires. The Big Five personality traits provide easy differentiation for dividing personalities into different groups. Until now, the highest accuracy obtained from the results of personality prediction from the analysis of brain structure is about 70%. Although there is still no effective evidence to prove a clear relationship between brain structure and personality, the obtained results could prove helpful in understanding the basic relationship between brain structure and personality characteristics.

Published
2021

200. Bilateral septal pacing in combination with coronary venous pacing for cardiac resynchronization therapy

Author

Jialin Li, Jiaqi He, Haibo Yu, Guoqing Xu, Yang Gao, Baige Xu, Zulu Wang, Yaling Han, and Yanchun Liang

Subjects
General Medicine, Cardiology and Cardiovascular Medicine
Abstract

Conventional right ventricular pacing combined with coronary venous pacing (CVP) is a mainstay for cardiac resynchronization therapy (CRT). However, QRS duration of conventional CRT may be frequently more than 130 ms. This study aimed to evaluate the effectiveness of QRS narrowing by bilateral septal pacing (BSP) in combination with CVP for CRT (BSP-CRT).Fourteen patients with QRS130 ms of conventional CRT after failure of physiological conduction system pacing were enrolled. Electrophysiologic characteristics were compared among different modes of CRT during procedure. BSP which was defined as capture of both sides of interventricular septum manifested as shortened R wave peak time without a right bundle branch block QRS pattern.BSP-CRT were successfully achieved in 85.7% (12/14) patients. QRS duration at baseline was 185 ± 13 ms and significantly narrowed to 156 ± 9 ms during conventional CRT (n = 14, P.001), to 143 ± 7 ms during left ventricular septal pacing (LVSP) in combination with CVP for CRT (LVSP-CRT) (n = 9, P.001), and further to 122 ± 10 ms during BSP-CRT (n = 12, P.001). Notably, among 7 patients in whom both LVSP and BSP were achieved, BSP-CRT outperformed LVSP-CRT at QRS narrowing by 16% (P.001). At 3-month follow-up, left ventricular ejection fraction improved from 29±6% to 41±8% (P.001).BSP-CRT resulted in superior acute electrical synchronization to conventional CRT and might be considered as an alternative to conventional CRT with QRS more than 130 ms. This article is protected by copyright. All rights reserved.

Published
2022

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