User profiles for Lucas C Parra

Lucas C. Parra

Professor of Biomedical Engineering, City College of New York, CUNY
Verified email at ccny.cuny.edu
Cited by 21679

Recipes for the linear analysis of EEG

LC Parra, CD Spence, AD Gerson, P Sajda - Neuroimage, 2005 - Elsevier
In this paper, we describe a simple set of “recipes” for the analysis of high spatial density EEG.
We focus on a linear integration of multiple channels for extracting individual components …

Optimized multi-electrode stimulation increases focality and intensity at target

…, A Datta, M Bikson, Y Su, LC Parra - Journal of neural …, 2011 - iopscience.iop.org
Transcranial direct current stimulation (tDCS) provides a non-invasive tool to elicit
neuromodulation by delivering current through electrodes placed on the scalp. The present clinical …

Cellular effects of acute direct current stimulation: somatic and synaptic terminal effects

…, M Arlotti, F Gasca, A Datta, LC Parra… - The Journal of …, 2013 - Wiley Online Library
Key points • The diversity of cellular targets of direct current stimulation (DCS), including
somas, dendrites and axon terminals, determine the modulation of synaptic efficacy. • Axon …

Low-intensity electrical stimulation affects network dynamics by modulating population rate and spike timing

…, A Rahman, M Bikson, LC Parra - Journal of …, 2010 - Soc Neuroscience
Clinical effects of transcranial electrical stimulation with weak currents are remarkable
considering the low amplitude of the electric fields acting on the brain. Elucidating the processes …

Measurements and models of electric fields in the in vivo human brain during transcranial electric stimulation

…, X Wang, M Bikson, WK Doyle, O Devinsky, LC Parra - elife, 2017 - elifesciences.org
10.7554/eLife.18834.001 Transcranial electric stimulation aims to stimulate the brain by
applying weak electrical currents at the scalp. However, the magnitude and spatial distribution of …

Convolutive blind source separation methods

MS Pedersen, J Larsen, U Kjems, LC Parra - Springer handbook of …, 2008 - Springer
In this chapter, we provide an overview of existing algorithms for blind source separation of
convolutive audio mixtures. We provide a taxonomy in which many of the existing algorithms …

Geometric source separation: Merging convolutive source separation with geometric beamforming

LC Parra, CV Alvino - IEEE Transactions on Speech and Audio …, 2002 - ieeexplore.ieee.org
Convolutive blind source separation and adaptive beamforming have a similar goal-extracting
a source of interest (or multiple sources) while reducing undesired interferences. A benefit …

[HTML][HTML] An open resource for transdiagnostic research in pediatric mental health and learning disorders

…, G Minniti, R Neuhaus, A Levine, Y Osman, LC Parra… - Scientific data, 2017 - nature.com
Technological and methodological innovations are equipping researchers with unprecedented
capabilities for detecting and characterizing pathologic processes in the developing …

Linear and nonlinear regression techniques for simultaneous and proportional myoelectric control

…, FC Meinecke, KR Müller, LC Parra - … on Neural Systems …, 2014 - ieeexplore.ieee.org
In recent years the number of active controllable joints in electrically powered hand-prostheses
has increased significantly. However, the control strategies for these devices in current …

[HTML][HTML] Immediate neurophysiological effects of transcranial electrical stimulation

…, CC Pack, B Krekelberg, A Berényi, LC Parra… - Nature …, 2018 - nature.com
Noninvasive brain stimulation techniques are used in experimental and clinical fields for
their potential effects on brain network dynamics and behavior. Transcranial electrical …