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In this paper is presented an analysis of the phase lag index (PLI) in healthy controls and patients with disorders of consciousness aimed to find differences in connectivity of brain sources between these two states in different frequency bands. It was analyzed a total of 50 EEGs, 28 from healthy patients and 22 from patients with disorders of consciousness with two kind of montages, bipolar and...
This work explores using a low-cost electroencephalography (EEG) headset to quantify the human response to stressed and non-stressed states. We used a Stroop color-word interference test to elicit a mild stress response in 18 test subjects while recording scalp EEG. EEG signals were analyzed using an algorithm that computed the root mean square voltage in the beta, alpha, and theta bands immediately...
Advances in neural electrode technology are enabling brain recordings with increasingly fine spatial and temporal resolution. We explore spatio-temporal (ST) patterns of local field potential spikes using a new high-density active electrode array with 500 μm resolution. We record subdural micro-electrocorticographic (μECoG) signals in vivo from a feline model of acute neocortical epileptiform spikes...
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