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Temporal Characteristics Of The Memory Code

By Irina V. Maltseva and Yuri Masloboev

Abstract

In the experiments with mental marking of the omitted stimulus one of the subjects (SH) showed paradoxical alpha reactivity. Bursts of the alpha oscillations were recorded in 100 per cent of the trials at all electrode locations when he mentally marked omitted tones. The omitted stimulus paradigm applies to intentional component of behaviour during cognitive task performance. Subjects were asked to predict the moment of omitted stimuli onset, as if they were not actually omitted. To perform this task subject had to keep in memory the duration of interstimulus interval and to recall it. It was supposed that bursts of alpha activity corresponding to the omitted stimuli in ongoing EEG of SH were indicators of retrieval processes during time intervals reproduction. In the present study temporal characteristics of this alpha activity were estimated in order to predict individual memory capacity of the subject using the statements of the oscillatory model

Year: 2007
OAI identifier: oai:CiteSeerX.psu:10.1.1.20.6818
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