Browsing School of Engineering by Author "LALOR, EDMUND"
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A comparison of covert and overt attention as a control option in a steady-state visual evoked potential-based brain computer interface
LALOR, EDMUND; REILLY, RICHARD (IEEE, 2004)EEG data were recorded from occipital scalp regions of subjects who attended to an alternating checkerboard stimulus in one visual field while ignoring a similar stimulus of a different frequency in the opposite visual ... -
Congruent Visual Speech Enhances Cortical Entrainment to Continuous Auditory Speech in Noise-Free Conditions.
LALOR, EDMUND (2015)Congruent audiovisual speech enhances our ability to comprehend a speaker, even in noise-free conditions. When incongruent auditory and visual information is presented concurrently, it can hinder a listener's perception ... -
The cortical representation of the speech envelope is earlier for audiovisual speech than audio speech.
LALOR, EDMUND (2014)Visual speech can greatly enhance a listener's comprehension of auditory speech when they are presented simultaneously. Efforts to determine the neural underpinnings of this phenomenon have been hampered by the limited ... -
The cruciform model of striate generation of the early VEP, re-illustrated, not revoked: A reply to Ales et al. (2013)
LALOR, EDMUND (2013)Here we summarize the points raised in our dialog with Ales and colleagues on the cortical generators of the early visual evoked potential (VEP), and offer observations on the results of additional simulations that were ... -
Independent brain computer interfacing control using visual spatial attention-dependent modulations of parieto-occipital alpha
LALOR, EDMUND; REILLY, RICHARD (2005)Parieto-occipital alpha band (8-14 Hz) EEG activity was examined daring a spatial attention-based brain computer interface paradigm for its potential use as a feature for left/right spatial attention classification. In ... -
A spectrum of colors: investigating the temporal frequency characteristics of the human visual system using a system identification approach
LALOR, EDMUND; REILLY, RICHARD (IEEE, 2006)Noise input signals are commonly used in both linear and nonlinear system identification of physiological systems. This method can be applied to electrophysiological analysis of the human visual system by controlling the ...