Previous work from our lab has demonstrated how the connectivity of brain circuits constrains the repertoire of activity patterns that those circuits can display. Specifically, we have shown that the principal components of spontaneous neural activity are uniquely determined by the underlying circuit connections, and that although the principal components do not uniquely resolve the circuit str...

The present paper reports biochemical and neurophysiological investigations in ten cases with restless leg syndrome. Other neuropsychiatric affections and factors which could generate the symptomatology of restless legs syndrome were not included. The EEG recordings demonstrated evident reticular neuronal hypersynchrony generated by hyperpnoea (sinusoidal slow waves). The classical EEG investig...

Did you know your brain continuously emits electric waves, even while you sleep? Based on a sample of wave measurements, physicians specializing in sleep medicine can use statistical tools to classify your sleep pattern as normal or problematic. Brain-computer interfaces (BCIs) now being developed can classify a disabled person’s thinking based on wave measurements and automatically execute nec...

BACKGROUND Stroke is the second most common cause of seizures in term neonates and is associated with abnormal long-term neurodevelopmental outcome in some cases. OBJECTIVE To aid diagnosis earlier in the postnatal period, our aim was to describe the characteristic EEG patterns in term neonates with perinatal arterial ischaemic stroke (PAIS) seizures. DESIGN Retrospective observational stud...

EEG visual analysis has proved useful in aiding AD diagnosis, being indicated in some clinical protocols. However, such analysis is subject to the inherent imprecision of equipment, patient movements, electric registers, and individual variability of physician visual analysis. Objectives To employ the Paraconsistent Artificial Neural Network to ascertain how to determine the degree of certain...

This paper presents a recurrent neural classifier to automatically classify sleep stages based on energy features of EEG signals by using only one single EEG channel (Fpz-Cz). The energy features are extracted from characteristic waves of EEG signals which can characterize different sleep stages individually. The recurrent neural classifier takes the energy features extracted on 30s epochs from...

This case report describes a patient with a history of epileptic seizures who showed unusual decreases in the Bispectral Index (BIS) attributable to the induction of abnormal slow electroencephalographic (EEG) waves by photic stimulation, without any associated decrease in his level of consciousness. After starting anticonvulsive therapy, photic stimulation no longer induced abnormal EEG activi...

Kara is a greek word that could be translated as head. In the Kara series of pieces, the musicians wear braincomputer interfaces (BCI) in order to capture their EEG waves while performing. The information from these waves is sent to a computer, where it is processed in order to generate a real-time score, computer generated sounds and a visual display of the data. A closed-loop is formed betwee...

A 20-year-old-woman demonstrated sawtooth waves but no epileptiform discharges while undergoing EEG-video monitoring for new-onset generalized tonic-clonic seizure-like activity and staring spells (figures 1 and 2). Sawtooth waves are an uncommon EEG pattern of REM sleep. They have a unique morphology, first described in 1937 by Alfred Lee Loomis, are maximum in the central regions, and typical...