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The standard modeling framework in functional magnetic resonance imaging (fMRI) is predicated on assumptions of linearity, time invariance and stationarity. These assumptions are rarely checked because doing so requires specialized software, although failure to do so can lead to bias and mistaken inference. Identifying model violations is an essential but largely neglected step in standard fMRI data...
In neural coding ultra fine electrodes are used to record spike trains from the brains (neurons) of awake animals such as rats,cats and monkeys. But analog singals such as EEG and local field potentials are also recorded. The aim of such experiments is to study the dynamics of the brain with potential development of true neural prosthetics. One problem that arises in extracting information from these...
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