Decoding of object position using magnetoencephalography (MEG)
نویسندگان
چکیده
منابع مشابه
Meg ( Magnetoencephalography ) Multipolar Modeling of Distributed Sources Using Multiple Signal
We describe the use of truncated multipolar expansions for producing dynamic images of cortical neural activation from measurements of the magnetoencephalogram. We use a signal-subspace method to find the locations of a set of multipolar sources, each of which represents a region of activity in the cerebral cortex. Our method builds up an estimate of the sources in a recursive manner, i.e. we f...
متن کاملHigh temporal resolution decoding of object position and category.
We effortlessly and seemingly instantaneously recognize thousands of objects, although we rarely--if ever--see the same image of an object twice. The retinal image of an object can vary by context, size, viewpoint, illumination, and location. The present study examined how the visual system abstracts object category across variations in retinal location. In three experiments, participants viewe...
متن کاملSparse Autoencoders for Word Decoding from Magnetoencephalography
An open problem in the processing and analysis of neuroimaging data is finding the optimal set of features from which to decode or study underlying neural processes. Handcrafted features sets have been examined in the past with varying degrees of success. Here, we explore sparse autoencoders, a method to extract high-level feature representations of neural data in an unsupervised way, without a...
متن کاملA Probe Into Decoding Brain Activity Using fMRI and MEG
The possibility of deciphering thoughts by measuring brain activity using Functional Magnetic Resonance Imaging(fMRI) has recently been demonstrated. Potentially, this can lead the development of machine interfaces controlled by human thought. However, the cost and the size of the fMRI machine makes it an infeasible imaging modality for this purpose. Electroencephalography (EEG) and Near Infra-...
متن کاملCortical locations of maximal spindle activity: magnetoencephalography (MEG) study.
The aim of this study was to determine the main cortical regions related to maximal spindle activity of sleep stage 2 in healthy individual subjects during a brief morning nap using magnetoencephalography (MEG). Eight volunteers (mean age: 26.1 +/- 8.7, six women) all right handed, free of any medical psychiatric or sleep disorders were studied. Whole-head 148-channel MEG and a conventional pol...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Vision
سال: 2010
ISSN: 1534-7362
DOI: 10.1167/10.7.1001