This paper proposes a stochastic model using the concept of Markov chains for the inter-state transitions of the millisecond order quasi-stable phase synchronized patterns or synchrostates, found in multi-channel Electroencephalogram (EEG) signals. First and second order transition probability matrices are estimated fo…
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3 results for “synchrostates”
On the Existence of Synchrostates in Multichannel EEG Signals during Face-perception Tasksphysics.med-ph
New method shows stable phase synchronised patterns in EEG signals during face perception tasks.
problem Traditional phase synchronisation measures do not capture temporal evolution.
method Proposes a new method to identify synchrostates, small sets of unique phase synchronised patterns.
result Consistent existence of synchrostates in multi-channel EEG recordings across different subject groups.
Objective. The paper investigates the presence of autism using the functional brain connectivity measures derived from electro-encephalogram (EEG) of children during face perception tasks. Approach. Phase synchronized patterns from 128-channel EEG signals are obtained for typical children and children with autism spect…