1 code implementation • 20 Jul 2024 • Chen Wei, Jiachen Zou, Dietmar Heinke, Quanying Liu
Similarity judgment tasks are effective for exploring these concepts.
no code implementations • 18 Jun 2024 • Menglong Zhang, Fuyuan Qian, Quanying Liu
Here, we investigate the impact of data sampling strategies on the exploration and adaptability of meta-RL agents.
no code implementations • 14 Jun 2024 • Zhichao Liang, Guanyi Zhao, Yinuo Zhang, Weiting Sun, Jingzhe Lin, Jialin Wang, Quanying Liu
The electrical stimulation on the hub of the epileptic brain network shows remarkable performance as the direct stimulation of SOZ in suppressing seizure dynamics.
no code implementations • 24 May 2024 • Youzhi Qu, Junfeng Xia, Xinyao Jian, Wendu Li, Kaining Peng, Zhichao Liang, Haiyan Wu, Quanying Liu
Here, we employ the masked autoencoder (MAE) model to reconstruct functional magnetic resonance imaging (fMRI) data, and utilize a transfer learning framework to obtain the cognitive taskonomy, a matrix to quantify the similarity between cognitive tasks.
no code implementations • 11 May 2024 • Zhongye Xia, Weibin Li, Zhichao Liang, Kexin Lou, Quanying Liu
This paper addresses the problem of controlling the temporal dynamics of complex nonlinear network-coupled dynamical systems, specifically in terms of neurodynamics.
1 code implementation • 25 Apr 2024 • Chen Wei, Jiachen Zou, Dietmar Heinke, Quanying Liu
Generating visual stimuli with controlling concepts is the key.
no code implementations • 25 Apr 2024 • Zhichao Liang, Yinuo Zhang, Jushen Wu, Quanying Liu
The human brain receives complex inputs when performing cognitive tasks, which range from external inputs via the senses to internal inputs from other brain regions.
no code implementations • 22 Feb 2024 • Xinke Shen, Lingyi Tao, Xuyang Chen, Sen Song, Quanying Liu, Dan Zhang
Targeting the Electroencephalogram (EEG) technique, known for its rich spatial and temporal information, this study presents a framework for Contrastive Learning of Shared SpatioTemporal EEG Representations across individuals (CL-SSTER).
no code implementations • 4 Feb 2024 • Youzhi Qu, Chen Wei, Penghui Du, Wenxin Che, Chi Zhang, Wanli Ouyang, Yatao Bian, Feiyang Xu, Bin Hu, Kai Du, Haiyan Wu, Jia Liu, Quanying Liu
During the evolution of large models, performance evaluation is necessarily performed to assess their capabilities and ensure safety before practical application.
no code implementations • 31 Jan 2024 • Song Wang, Chen Wei, Kexin Lou, Dongfeng Gu, Quanying Liu
Here, we present a novel method which utilizes the Brain Geometric-informed Basis Functions (GBFs) as priors to enhance EEG/MEG source imaging.
no code implementations • 19 Jul 2023 • Peizhen Yang, Xinke Shen, Zongsheng Li, Zixiang Luo, Kexin Lou, Quanying Liu
Specifically, we trained neural networks (i. e., CNN, vanilla RNN, GRU, LSTM, and Transformer) to predict future EEG signals according to historical data and perturbed the networks' input to obtain effective connectivity (EC) between the perturbed EEG channel and the rest of the channels.
1 code implementation • 31 Dec 2022 • Zixiang Luo, Kaining Peng, Zhichao Liang, Shengyuan Cai, Chenyu Xu, Dan Li, Yu Hu, Changsong Zhou, Quanying Liu
Effective connectivity (EC), indicative of the causal interactions between brain regions, is fundamental to understanding information processing in the brain.
no code implementations • 26 Dec 2022 • Mowen Yin, Weikai Huang, Zhichao Liang, Quanying Liu, Xiaoying Tang
Our work supports that cortical morphological connectivity, which is constructed based on correlations across subjects' cortical thickness, may serve as a tool to study topological abnormalities in neurological disorders.
no code implementations • 10 Dec 2022 • Wenwei Luo, Wanguang Yin, Quanying Liu, Youzhi Qu
The key to electroencephalography (EEG)-based brain-computer interface (BCI) lies in neural decoding, and its accuracy can be improved by using hybrid BCI paradigms, that is, fusing multiple paradigms.
1 code implementation • 10 Nov 2022 • Mo Wang, Kexin Lou, Zeming Liu, Pengfei Wei, Quanying Liu
In this paper, we propose a general framework called multi-objective optimization via evolutionary algorithms (MOVEA) to address the non-convex optimization problem in designing TES strategies without predefined direction.
no code implementations • 8 Oct 2022 • Ziyuan Ye, Youzhi Qu, Zhichao Liang, Mo Wang, Quanying Liu
The results show that STpGCN significantly improves brain decoding performance compared to competing baseline models; BrainNetX successfully annotates task-relevant brain regions.
no code implementations • 9 Aug 2022 • Wanguang Yin, Zhichao Liang, JianGuo Zhang, Quanying Liu
To this end, we propose a new method to solve the partial least square regression, named PLSR via optimization on bi-Grassmann manifold (PLSRbiGr).
1 code implementation • 14 Jul 2022 • Runpeng Hou, Ziyuan Ye, Chengyu Yang, Linhao Fu, Chao Liu, Quanying Liu
Our work offers a benchmark dataset for training deep learning models for capillary image segmentation and provides a potential tool for future capillary research.
no code implementations • 7 Jun 2022 • Youzhi Qu, Xinyao Jian, Wenxin Che, Penghui Du, Kai Fu, Quanying Liu
Transfer learning improves the performance of the target task by leveraging the data of a specific source task: the closer the relationship between the source and the target tasks, the greater the performance improvement by transfer learning.
1 code implementation • 2 Dec 2021 • Junjie Yu, Chenyi Li, Kexin Lou, Chen Wei, Quanying Liu
DeepSeparator employs an encoder to extract and amplify the features in the raw EEG, a module called decomposer to extract the trend, detect and suppress artifact and a decoder to reconstruct the denoised signal.
no code implementations • 30 Nov 2021 • Xuming Ran, Jie Zhang, Ziyuan Ye, Haiyan Wu, Qi Xu, Huihui Zhou, Quanying Liu
In this study, we propose an integrated framework called Deep Autoencoder with Neural Response (DAE-NR), which incorporates information from ANN and the visual cortex to achieve better image reconstruction performance and higher neural representation similarity between biological and artificial neurons.
no code implementations • 18 May 2021 • Shuhan Zheng, Zhichao Liang, Youzhi Qu, Qingyuan Wu, Haiyan Wu, Quanying Liu
Here, we propose a physics-based framework of Kuramoto model to investigate oxytocin effects on the phase dynamic neural coupling in DMN and FPN.
no code implementations • 26 Mar 2021 • Zhichao Liang, Zixiang Luo, Keyin Liu, Jingwei Qiu, Quanying Liu
In this work, rooted in optimal control theory, we propose a Koopman-MPC framework for real-time closed-loop electrical neuromodulation in epilepsy, which integrates i) a deep Koopman operator based dynamical model to predict the temporal evolution of epileptic EEG with an approximate finite-dimensional linear dynamics and ii) a model predictive control (MPC) module to design optimal seizure suppression strategies.
no code implementations • 18 Feb 2021 • Chen Wei, Kexin Lou, Zhengyang Wang, Mingqi Zhao, Dante Mantini, Quanying Liu
EEG source localization is an important technical issue in EEG analysis.
no code implementations • 5 Feb 2021 • Jie Yuan, Xuming Ran, Keyin Liu, Chen Yao, Yi Yao, Haiyan Wu, Quanying Liu
Machine learning is playing an increasingly important role in medical image analysis, spawning new advances in the clinical application of neuroimaging.
no code implementations • 20 Jan 2021 • Wanguang Yin, Zhengming Ma, Quanying Liu
Linear discriminant analysis (LDA) is a widely used algorithm in machine learning to extract a low-dimensional representation of high-dimensional data, it features to find the orthogonal discriminant projection subspace by using the Fisher discriminant criterion.
no code implementations • 18 Jan 2021 • Wanguang Yin, Youzhi Qu, Zhengming Ma, Quanying Liu
However, most of tensor decomposition methods are the linear feature extraction techniques, which are unable to reveal the nonlinear structure within high-dimensional data.
no code implementations • 22 Oct 2020 • Haoming Zhang, Chen Wei, Mingqi Zhao, Haiyan Wu, Quanying Liu
The recorded electroencephalography (EEG) signals are usually contaminated by many artifacts.
no code implementations • 5 Oct 2020 • Xuming Ran, Mingkun Xu, Qi Xu, Huihui Zhou, Quanying Liu
The likelihood-based generative models have been reported to be highly robust to the out-of-distribution (OOD) inputs and can be a detector by assuming that the model assigns higher likelihoods to the samples from the in-distribution (ID) dataset than an OOD dataset.
2 code implementations • 24 Sep 2020 • Haoming Zhang, Mingqi Zhao, Chen Wei, Dante Mantini, Zherui Li, Quanying Liu
Here, we present EEGdenoiseNet, a benchmark EEG dataset that is suited for training and testing deep learning-based denoising models, as well as for performance comparisons across models.
no code implementations • 16 Jul 2020 • Xuming Ran, Mingkun Xu, Lingrui Mei, Qi Xu, Quanying Liu
To address this problem, a reliable uncertainty estimation is considered to be critical for in-depth understanding of OOD inputs.
no code implementations • 13 Jun 2019 • Quanying Liu, Haiyan Wu, Anqi Liu
Our results demonstrate that IRL is an effective tool to model human decision-making behavior, as well as to help interpret the human psychological process in risk decision-making.