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Large irregular activity

Large (amplitude) irregular activity (LIA), refers to one of two local field states that have been observed in the hippocampus. The other field state is that of the theta rhythm. The theta state is characterised by a steady slow oscillation of around 6–7 Hz. LIA has a predominantly lower oscillation frequency but contains some sharp spikes, called sharp…

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Large irregular activity

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lia theta large activity state sharp hippocampus irregular field observed oscillation frequency waves hippocampal pyramidal wave ripples amplitude two rhythm

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