نتایج جستجو برای: sloreta
تعداد نتایج: 179 فیلتر نتایج به سال:
Quantifiable modification of standardized low-resolution brain electromagnetic tomography (sLORETA-qm), which is one of the non-adaptive beamformer spatial filtering techniques, has been applied to source localization and quantification of evoked field or oscillatory changes in magnetoencephalography (MEG). Here, we extended this technique to induced oscillatory brain activity changes, so-calle...
Data are provided to document the presence of late and ultra-late latency components of cortical laser evoked potentials (LEPs) following noxious laser stimulus in Stancak et al. (2015) [3]. The latency components, labeled provisionally as N4, N5, and N6, were observed in 16 healthy human participants who were asked to fully attend their painful and non-painful sensations occurring in associati...
In this paper the research on a person declaring synesthetic abilities will be presented. According to the current state of knowledge synesthesia activates additional cortical fields in the brain which can be found in the EEG. The research was conducted using an EGI-EEG system (Electrical Geodesic Inc., Eugene, Oregon, USA) with the GeoSource software. GeoSource is a tool that implements the al...
نتایج تحقیقات پیشین حاکی از تاثیر یادگیری )پاداش/تنبیه( برروی ویژگیهای پتانسیل وابسته به رویداد P300 است. در این تحقیق یک لایه پردازشی جلوتر رفته و با اعمال الگوریتمهای مکان یابی برروی مولفه P300 مستخرج شده از کانالها، تاثیر بازخورد را دقیق تر در منابع مغزی مولفه P300 اندازه گیری می کنیم. در این راستا، سیگنالهای EEG از 30 فرد سالم در حین آزمونهای دیداری و شنیداری را از طریق 30 الکترود سطحی (از ...
PURPOSE Quantitative imaging of neuromagnetic fields based on automated region of interest (ROI) setting was analyzed to determine the characteristics of cerebral neural activity in ischemic areas. METHODS Magnetoencephalography (MEG) was used to evaluate spontaneous neuromagnetic fields in the ischemic areas of 37 patients with unilateral internal carotid artery (ICA) occlusive disease. Voxe...
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