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Magnetoencephalography with optically pumped magnometers (OPM‐MEG) is an emerging and novel, cost‐effective wearable system that can simultaneously record neuronal activity with high temporal resolution ("when" neuronal activity occurs) and spatial resolution ("where" neuronal activity occurs). This paper will first outline recent methodological advances in OPM‐MEG compared to...
Objective
We use the dynamic electroencephalography–functional magnetic resonance imaging (EEG‐fMRI) method to incorporate variability in the amplitude and field of the interictal epileptic discharges (IEDs) into the fMRI analysis. We ask whether IED variability analysis can (a) identify additional activated brain regions during the course of IEDs, not seen in standard analysis; and (b) demonstrate...
Objective
The aim of this report is to present our clinical experience of electroencephalography–functional magnetic resonance imaging (EEG‐fMRI) in localizing the epileptogenic focus, and to evaluate the clinical impact and challenges associated with the use of EEG‐fMRI in pharmacoresistant focal epilepsy.
Methods
We identified EEG‐fMRI studies (n = 118) in people with focal epilepsy performed...
The utility of the electroencephalogram (EEG) for the diagnosis of hepatic encephalopathy, using conventional spectral thresholds, is open to question. The aim of this study was to optimise its diagnostic performance by defining new spectral thresholds.EEGs were recorded in 69 healthy controls and 113 patients with cirrhosis whose neuropsychiatric status was classified using clinical and psychometric...
In this study we used EEG-fMRI to investigate whether peri-ventricular nodular heterotopia (PNH) are connected to the seizure generating network in individuals initially diagnosed with absence seizures (AS) who were later found to have co-existent PNH. We performed event related EEG-fMRI of the patients typical events as well as performing functional connectivity (FC) seeded from the PNH to answer...
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