Browsing 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 (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 ... -
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 ... -
Decoding of attentional selection in a cocktail party environment from single-trial EEG is robust to task.
REILLY, RICHARD; LALOR, EDMUND (2014) -
Delayed P100-Like Latencies in Multiple Sclerosis: A Preliminary Investigation Using Visual Evoked Spread Spectrum Analysis.
REILLY, RICHARD; WHELAN, ROBERT; LALOR, EDMUND (2016)Conduction along the optic nerve is often slowed in multiple sclerosis (MS). This is typically assessed by measuring the latency of the P100 component of the Visual Evoked Potential (VEP) using electroencephalography. The ... -
Endogenous Auditory Frequency-Based Attention Modulates Obligatory Sensory Activity in Humans
LALOR, EDMUND; REILLY, RICHARD (2014) -
Independent brain computer interface 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 ... -
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 ... -
Personality, Attentional Biases towards Emotional Faces and Symptoms of Mental Disorders in an Adolescent Sample.
BOKDE, ARUN; LALOR, EDMUND (2015)Objective To investigate the role of personality factors and attentional biases towards emotional faces, in establishing concurrent and prospective risk for mental disorder diagnosis in adolescence. Method Data were ... -
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 ... -
Target selection signals influence perceptual decisions by modulating the onset and rate of evidence accumulation
O'CONNELL, REDMOND; LALOR, EDMUND (2016) -
Towards a gaze-independent hybrid-BCI based on SSVEPs, alpha-band modulations and the P300.
REILLY, RICHARD; LALOR, EDMUND (2014) -
Visual spatial attention control in an independent brain-computer interface
REILLY, RICHARD; LALOR, EDMUND (2005)This paper presents a novel brain computer interface (BCI) design employing visual evoked potential (VEP) modulations in a paradigm involving no dependency on peripheral muscles or nerves. The system utilizes ... -
Visual spatial attention tracking using high-density SSVEP data for independent brain-computer communication
REILLY, RICHARD; LALOR, EDMUND (2005)The steady-state visual evoked potential (SSVEP) has been employed successfully in (BCI) research, but its use in a design entirely independent of eye movement has until recently not been reported. This paper presents ...