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Neuroreport. 1997 Mar 24;8(5):1317-20.

Electrophysiological brain activity and memory source monitoring.

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1
Department of Psychology, Princeton University, NJ 08544-1010, USA.

Abstract

To investigate brain mechanisms involved in identifying the origin of memories, event-related potentials (ERPs) were recorded as participants discriminated previously presented (old) from new items or identified their earlier source (picture, word, or new). Differences in ERPs between old-new recognition and source identification were focused at frontal sites. For source identification, prominent negative deflections at occipital or frontal sites occurred depending on encoding task. These results support a model in which memory attributes are distributed neocortically and the frontal lobes are critical for source monitoring.

[Indexed for MEDLINE]

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