Clinical Study

Extrahippocampal Desynchronization in Nonlesional Temporal Lobe Epilepsy

Figure 3

Preictal and ictal desynchronization activity in patient no. 5. Upper panel: Number of channels with activity greater than 2.5 standard deviations of baseline activity. Second upper panel: Left AS, as defined in (2), that is, desynchronized activity in the left FOE during the preictal and ictal stages. Third upper panel: Right AS, as defined in (2), that is, desynchronized activity in the right FOE during the preictal and ictal stages. Lower panel: LIAS = Left As − Right AS, desynchronization imbalance, as defined in (3). In every panel, solid vertical line marks seizure onset.
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(a)
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(b)
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(c)
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(d)