English
Related papers

Related papers: Time-invariant person-specific frequency templates…

200 papers

Spike-based encodings are sparse and energy-efficient, but have largely been formulated probabilistically, disconnected from most signal processing literature. We recast spike encoders as time-causal wavelet frames with quantitative…

Neural and Evolutionary Computing · Computer Science 2026-05-12 Jens Egholm Pedersen , Tony Lindeberg , Peter Gerstoft

The study is devoted to definition of generalized metrical and topological (informational entropy) characteristics of neural signals via their well-known theoretical models. We have shown that time dependence of action potential of neurons…

Neurons and Cognition · Quantitative Biology 2016-10-06 Z. Zh. Zhanabaev , T. Yu. Grevtseva , Y. T. Kozhagulov

Brain oscillations exhibit long-range temporal correlations (LRTCs), which reflect the regularity of their fluctuations: low values representing more random (decorrelated) while high values more persistent (correlated) dynamics. LRTCs…

Neurons and Cognition · Quantitative Biology 2018-02-05 Tomas Ros , Paul Frewen , Jean Theberge , Rosemarie Kluetsch , Andreas Mueller , Gian Candrian , Rakesh Jetly , Patrik Vuilleumier , Ruth Lanius

An electroencephalography (EEG) based brain activity recognition is a fundamental field of study for a number of significant applications such as intention prediction, appliance control, and neurological disease diagnosis in smart home and…

Human-Computer Interaction · Computer Science 2017-09-27 Xiang Zhang , Lina Yao , Dalin Zhang , Xianzhi Wang , Quan Z. Sheng , Tao Gu

To understand Working of Human Brain measurements related to the brain function are required. These measurements should be possibly non-invasive. Brain should be disturbed as less as possible during the measurement. Integration of various…

Emerging Technologies · Computer Science 2015-06-16 Revati Shriram , M. Sundhararajan , Nivedita Daimiwal

We measure the influence of different time-scales on the dynamics of financial market data. This is obtained by decomposing financial time series into simple oscillations associated with distinct time-scales. We propose two new time-varying…

Statistical Finance · Quantitative Finance 2016-11-23 Noemi Nava , Tiziana Di Matteo , Tomaso Aste

A recently developed wavelet based approach is employed to characterize the scaling behavior of spectral fluctuations of random matrix ensembles, as well as complex atomic systems. Our study clearly reveals anti-persistent behavior and…

Chaotic Dynamics · Physics 2009-11-11 P. Manimaran , Prasanta K. Panigrahi , P. Anantha Lakshmi

Forecasting multivariate time series data, such as prediction of electricity consumption, solar power production, and polyphonic piano pieces, has numerous valuable applications. However, complex and non-linear interdependencies between…

Machine Learning · Computer Science 2019-09-20 Shun-Yao Shih , Fan-Keng Sun , Hung-yi Lee

We propose a Bayesian covariate-dependent anti-logistic circadian model for analyzing activity data collected via wrist-worn wearable devices. The proposed approach integrates covariates into the modeling of the amplitude and phase…

Methodology · Statistics 2025-02-06 Beniamino Hadj-Amar , Vaishnav Krishnan , Marina Vannucci

How to identify and characterize functional brain networks (BN) is fundamental to gain system-level insights into the mechanisms of brain organizational architecture. Current functional magnetic resonance (fMRI) analysis highly relies on…

Neurons and Cognition · Quantitative Biology 2022-06-28 Xiaowei Yu , Lu Zhang , Lin Zhao , Yanjun Lyu , Tianming Liu , Dajiang Zhu

Physiological signals can potentially be applied as objective measures to understand the behavior and engagement of users interacting with information access systems. However, the signals are highly sensitive, and many controls are required…

Information Retrieval · Computer Science 2023-04-27 Kaixin Ji , Damiano Spina , Danula Hettiachchi , Flora Dilys Salim , Falk Scholer

This paper proposes a novel framework for automatically capturing the time-frequency nature of electroencephalogram (EEG) signals of human sleep based on the authoritative sleep medicine guidance. The framework consists of two parts: the…

Machine Learning · Computer Science 2023-01-13 Zheng Chen , Ziwei Yang , Lingwei Zhu , Wei Chen , Toshiyo Tamura , Naoaki Ono , MD Altaf-Ul-Amin , Shigehiko Kanaya , Ming Huang

Electroencephalography signals allow to explore the functional activity of the brain cortex in a non-invasive way. However, the analysis of these signals is not straightforward due to the presence of different artifacts and the very low…

Neurons and Cognition · Quantitative Biology 2022-01-24 Nicolás Gallego-Molina , Marco Formoso , Andrés Ortiz , Francisco J. Martínez-Murcia , Juan L. Luque

Scale-free behavior as well as oscillations are frequently observed in the activity of many natural systems. One important example is the cortical tissues of mammalian brain where both phenomena are simultaneously observed. Rhythmic…

Disordered Systems and Neural Networks · Physics 2018-08-29 S. Amin Moosavi , Afshin Montakhab , Alireza Valizadeh

EEG monitoring has an important milestone provide valuable information of those candidates who suffer from epilepsy.In this paper human normal and epileptic Electroencephalogram signals are analyzed with popular and efficient signal…

Computational Engineering, Finance, and Science · Computer Science 2018-02-26 Debadatta Dash

The identification of abnormal electrographic activity is important in a wide range of neurological disorders, including epilepsy for localising epileptogenic tissue. However, this identification may be challenging during non-seizure…

Brain function relies on a precisely coordinated and dynamic balance between the functional integration and segregation of distinct neural systems. Characterizing the way in which neural systems reconfigure their interactions to give rise…

Neurons and Cognition · Quantitative Biology 2021-01-28 Lingbin Bian , Tiangang Cui , B. T. Thomas Yeo , Alex Fornito , Adeel Razi , Jonathan Keith

The frequency band used by cellular telephones includes the eigenfrequencies of a dielectric sphere with physical characteristics close to those of a human head. Proceeding from the spatial features of the natural modes of such a sphere we…

Classical Physics · Physics 2015-06-26 V. V. Nesterenko , A. Feoli , G. Lambiase , G. Scarpetta

Multivoxel pattern analysis (MVPA) has gained enormous popularity in the neuroimaging community over the past few years. At the group level, most MVPA studies adopt an "information based" approach in which the sign of the effect of…

Quantitative Methods · Quantitative Biology 2016-09-07 Roee Gilron , Jonathan Rosenblatt , Oluwasanmi Koyejo , Russell A. Poldrack , Roy Mukamel

Many studies have analyzed working memory (WM) from electroencephalogram (EEG). However, little is known about changes in the brain neurodynamics among resting-state (RS) according to the WM process. Here, we identified frequency-specific…

Neurons and Cognition · Quantitative Biology 2022-12-13 Gi-Hwan Shin , Young-Seok Kweon , Heon-Gyu Kwak
‹ Prev 1 8 9 10 Next ›