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Spinal cord stimulation has enabled humans with motor complete spinal cord injury (SCI) to independently stand and recover some lost autonomic function. Quantifying the quality of bipedal standing under spinal stimulation is important for…

机器学习 · 统计学 2017-11-22 Yanan Sui , Kun ho Kim , Joel W. Burdick

Neuromorphic computing mimics computational principles of the brain in $\textit{silico}$ and motivates research into event-based vision and spiking neural networks (SNNs). Event cameras (ECs) exclusively capture local intensity changes and…

机器人学 · 计算机科学 2024-04-10 Ahmed Faisal Abdelrahman , Matias Valdenegro-Toro , Maren Bennewitz , Paul G. Plöger

This paper presents a novel approach towards creating a foundational model for aligning neural data and visual stimuli across multimodal representationsof brain activity by leveraging contrastive learning. We used electroencephalography…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Matteo Ferrante , Tommaso Boccato , Grigorii Rashkov , Nicola Toschi

Ischemic brain injuries are frequent and difficult to detect reliably or early. We present the multi-modal data set containing cardiovascular (blood pressure, blood flow, electrocardiogram) and brain electrical activities to derive…

定量方法 · 定量生物学 2021-02-26 Martin G. Frasch , Bernd Walter , Christophe L. Herry , Reinhard Bauer

Identifying the spatio-temporal network structure of brain activity from multi-neuronal data streams is one of the biggest challenges in neuroscience. Repeating patterns of precisely timed activity across a group of neurons is potentially…

神经元与认知 · 定量生物学 2009-03-03 Casey Diekman , Kohinoor Dasgupta , Vijay Nair , P. S. Sastry , K. P. Unnikrishnan

Objective: To establish sub-scalp electroencephalography (EEG) as a viable option for brain-computer interface (BCI) applications, particularly for chronic use, by demonstrating its effectiveness in recording and classifying sensorimotor…

信号处理 · 电气工程与系统科学 2025-07-02 Timothy B Mahoney , David B Grayden , Sam E John

Electroencephalogram (EEG) based brain-computer interface (BCI) systems are useful tools for clinical purposes like neural prostheses. In this study, we collected EEG signals related to grasp motions. Five healthy subjects participated in…

人机交互 · 计算机科学 2020-05-12 Jeong-Hyun Cho , Ji-Hoon Jeong , Seong-Whan Lee

A vast majority of spiking neural networks (SNNs) are trained based on inductive biases that are not necessarily a good fit for several critical tasks that require low-latency and power efficiency. Inferring brain behavior based on the…

神经与进化计算 · 计算机科学 2023-04-20 Xi Chen , Siwei Mai , Konstantinos Michmizos

This article examined brain signals of people with disabilities using various signal processing methods to achieve the desired accuracy for utilizing brain-computer interfaces (BCI). EEG signals resulted from 5 mental tasks of word…

Objective. Modelling is an important way to study the working mechanism of brain. While the characterization and understanding of brain are still inadequate. This study tried to build a model of brain from the perspective of thermodynamics…

神经元与认知 · 定量生物学 2021-03-30 Chenxi Zhou , Bin Yang , Wenliang Fan , Wei Li

Human-robot collaboration has the potential to maximize the efficiency of the operation of autonomous robots. Brain-machine interface (BMI) would be a desirable technology to collaborate with robots since the intention or state of users can…

人机交互 · 计算机科学 2021-07-16 Hyung-Ju Ahn , Dae-Hyeok Lee , Ji-Hoon Jeong , Seong-Whan Lee

User engagement, cognitive participation, and motivation during task execution in physical human-robot interaction are crucial for motor learning. These factors are especially important in contexts like robotic rehabilitation, where…

人机交互 · 计算机科学 2024-11-28 Suzanne Oliver , Tomoko Kitago , Adam Buchwald , S. Farokh Atashzar

Neuromodulations as observed in the extracellular electrical potential recordings obtained from Electroencephalograms (EEG) manifest as organized, transient patterns that differ statistically from their featureless noisy background.…

信号处理 · 电气工程与系统科学 2019-05-28 Shailaja Akella , Jose C. Principe

Many complex processes can be viewed as dynamical systems of interacting agents. In many cases, only the state sequences of individual agents are observed, while the interacting relations and the dynamical rules are unknown. The neural…

机器学习 · 计算机科学 2021-01-26 Siyuan Chen , Jiahai Wang , Guoqing Li

Interactions between modalities -- redundancy, uniqueness, and synergy -- collectively determine the composition of multimodal information. Understanding these interactions is crucial for analyzing information dynamics in multimodal…

机器学习 · 计算机科学 2025-06-24 Zequn Yang , Hongfa Wang , Di Hu

The non-stationary nature of electroencephalography (EEG) signals makes an EEG-based brain-computer interface (BCI) a dynamic system, thus improving its performance is a challenging task. In addition, it is well-known that due to…

机器学习 · 计算机科学 2018-05-04 Haider Raza , Dheeraj Rathee , ShangMing Zhou , Hubert Cecotti , Girijesh Prasad

Brain-Computer Interfaces (BCIs) based on motor imagery (MI) hold promise for restoring control in individuals with motor impairments. However, up to 30% of users remain unable to effectively use BCIs-a phenomenon termed ''BCI…

人机交互 · 计算机科学 2025-06-06 Camilla Mannino , Pierpaolo Sorrentino , Mario Chavez , Marie-Costance Corsi

MEG/EEG are non-invasive imaging techniques that record brain activity with high temporal resolution. However, estimation of brain source currents from surface recordings requires solving an ill-posed inverse problem. Converging lines of…

Developing electroencephalogram (EEG) based brain-computer interface (BCI) systems is challenging. In this study, we analyzed natural grasp actions from EEG. Ten healthy subjects participated in this experiment. They executed and imagined…

人机交互 · 计算机科学 2020-02-06 Jeong-Hyun Cho , Ji-Hoon Jeong , Dong-Joo Kim , Seong-Whan Lee

In this work we study the detection of weak stimuli by spiking neurons in the presence of certain level of noisy background neural activity. Our study has focused in the realistic assumption that the synapses in the network present…

神经元与认知 · 定量生物学 2009-06-04 Jorge F. Mejias , Joaquin J. Torres