Search Results - "Baccalá, Luiz A"

Frequency Domain Repercussions of Instantaneous Granger Causality by Baccalá, Luiz A., Sameshima, Koichi

“…Using directed transfer function (DTF) and partial directed coherence (PDC) in the information version, this paper extends the theoretical framework to…”
Get full text

Partial directed coherence: twenty years on some history and an appraisal by Baccalá, Luiz A., Sameshima, Koichi

“…Here while we reminisce about how partial directed coherence was proposed, its motivation and evolution, we take the opportunity to relate it to some of its…”
Get full text

Information theoretic interpretation of frequency domain connectivity measures by Takahashi, Daniel Y, Baccalá, Luiz A, Sameshima, Koichi

“…In order to provide adequate multivariate measures of information flow between neural structures, modified expressions of partial directed coherence (PDC) and…”
Get full text

Partial directed coherence: a new concept in neural structure determination by Baccalá, L A, Sameshima, K

“…This paper introduces a new frequency-domain approach to describe the relationships (direction of information flow) between multivariate time series based on…”
Get full text

Kernel Methods for Nonlinear Connectivity Detection by Massaroppe, Lucas, Baccalá, Luiz A.

“…In this paper, we show that the presence of nonlinear coupling between time series may be detected using kernel feature space F representations while…”
Get full text

Partial Directed Coherence and the Vector Autoregressive Modelling Myth and a Caveat by Baccalá, Luiz A, Sameshima, Koichi

“…Here we dispel the lingering myth that Partial Directed Coherence is a Vector Autoregressive (VAR) Modelling dependent concept. In fact, our examples show that…”
Get full text

Frequency domain connectivity identification: An application of partial directed coherence in fMRI by Sato, João R., Takahashi, Daniel Y., Arcuri, Silvia M., Sameshima, Koichi, Morettin, Pedro A., Baccalá, Luiz A.

“…Functional magnetic resonance imaging (fMRI) has become an important tool in Neuroscience due to its noninvasive and high spatial resolution properties…”
Get full text

Anticipation of Pain Enhances the Nociceptive Transmission and Functional Connectivity within Pain Network in Rats by Wang, Jin-Yan, Zhang, Han-Ti, Chang, Jing-Yu, Woodward, Donald J, Baccalá, Luiz A, Luo, Fei

“…Background: Expectation is a very potent pain modulator in both humans and animals. There is evidence that pain transmission neurons are modulated by…”
Get full text

Dynamic neuronal responses in cortical and thalamic areas during different phases of formalin test in rats by Huang, Jin, Chang, Jing-Yu, Woodward, Donald J., Baccalá, Luiz A., Han, Ji-Sheng, Wang, Jin-Yan, Luo, Fei

“…Although formalin-induced activity in primary afferent fibers and spinal dorsal horn is well described, the forebrain neural basis underlying each phase of…”
Get full text

Corticofugal influences on thalamic neurons during nociceptive transmission in awake rats by Wang, Jin-Yan, Chang, Jing-Yu, Woodward, Donald J., Baccalá, Luiz A., Han, Ji-Sheng, Luo, Fei

“…Pain is a multidimensional phenomenon and processed in a neural network. The supraspinal, brain mechanisms are increasingly recognized in playing a major role…”
Get full text

Comments on 'Is partial coherence a viable technique for identifying generators of neural oscillations?': Why the term 'Gersch Causality' is inappropriate: common neural structure inference pitfalls by Baccalá, Luiz A, Sameshima, Koichi

“…To aid prospective neural connectivity inference analysts and hoping to preclude misconception spread, we exploit the didatic value of some of the issues…”
Get full text

Editorial: Challenges to EEG/MEG graph analysis and how to face them by Blinowska, Katarzyna J, Baccala, Luiz A, Kaminski, Maciej, Sameshima, Koichi

Get full text

Coding of peripheral electrical stimulation frequency in thalamocortical pathways by Yang, He, Chang, Jing-Yu, Woodward, Donald J., Baccalá, Luiz A., Han, Ji-Sheng, Luo, Fei

“…Frequency information of the environment is an important feature for sensory perception. It has been demonstrated that cortical and thalamic neurons exhibited…”
Get full text

Comparison of different cortical connectivity estimators for high-resolution EEG recordings by Astolfi, Laura, Cincotti, Febo, Mattia, Donatella, Marciani, M. Grazia, Baccala, Luiz A., de Vico Fallani, Fabrizio, Salinari, Serenella, Ursino, Mauro, Zavaglia, Melissa, Ding, Lei, Edgar, J. Christopher, Miller, Gregory A., He, Bin, Babiloni, Fabio

“…The aim of this work is to characterize quantitatively the performance of a body of techniques in the frequency domain for the estimation of cortical…”
Get full text

A new algorithm for neural connectivity estimation of EEG event related potentials by Rodrigues, Pedro L. C., Baccala, Luiz A.

“…We propose a new algorithm for estimating neural connectivity during event related potentials (ERP) in EEG. It is composed of two steps: the estimation of a…”
Get full text

On neural connectivity estimation problems by Baccala, Luiz A., Sameshima, Koichi

“…After briefly recapping and reframing the problem of neural connectivity and its implications for today's brain mapping efforts, we argue that…”
Get full text

Local dimension-reduced dynamical spatio-temporal models for resting state network estimation by Vieira, Gilson, Amaro, Edson, Baccalá, Luiz A.

“…To overcome the limitations of independent component analysis (ICA), today’s most popular analysis tool for investigating whole-brain spatial activation in…”
Get full text

On the statistical performance of Granger-causal connectivity estimators by Sameshima, Koichi, Takahashi, Daniel Y., Baccalá, Luiz A.

“…In this article, we extend the statistical detection performance evaluation of linear connectivity from Sameshima et al. (in: Slezak et al. (eds.) Lecture…”
Get full text

Independent component versus Local Sparse Component Analysis in resting state fMRI by Vieira, Gilson, Amaro, Edson, Sato, Joao R., Baccala, Luiz A.

“…Independent Component Analysis (ICA) algorithms are potentially powerful ways of localizing sources of cerebral activity in resting state functional Magnetic…”
Get full text

Thalamic Bursting in Rats during Different Awake Behavioral States by Fanselow, Erika E., Sameshima, Koichi, Baccala, Luiz A., Miguel A. L. Nicolelis

“…Thalamic neurons have two firing modes: tonic and bursting. It was originally suggested that bursting occurs only during states such as slow-wave sleep, when…”
Get full text