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Information Journal Paper

Title

APPLYING RECURRENCE PLOTS FOR IDENTIFYING MEMORY COMPONENTS IN SINGLE-TRIAL EEGS

Pages

  39-52

Abstract

 The purpose of this study was to apply recurrence plots on event related potentials (ERPs) recorded during MEMORY recognition tests. EEG signals recorded during MEMORY retrieval in four scalp region were used. Two most important ERP’s components corresponding to MEMORY retrieval, FN400 and LPC, were detected in recurrence plots computed for single-trial EEGs. In addition, the RQA was used to quantify changes in signal dynamic structure during MEMORY retrieval, and measures of complexity as RQA variables were computed. Given the stimulus, amplitude of the RQA variables increases around 400ms, corresponding to dimension reduction of system. Furthermore, after 800ms these amplitudes decreased which can be as a consequence of an increase in system dimension and complexity and back to its basic state. The mean amplitude of Old items was more than New one. Furthermore we applied statistical analysis (t-test) to find meaningful difference between features extracted from nonlinear measures. Using this method, we found its ability to detect MEMORY components of EEG signals and to do a distinction between Old/ New items. In contrast with linear techniques, recurrence plots and RQA do not need large number of recorded trials, and they can indicate changes in even single-trial EEGs. RQA can also show differences between old and new events in a MEMORY process.

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    APA: Copy

    TALEBI, NASIBEH, & M. NASRABADI, ALI. (2009). APPLYING RECURRENCE PLOTS FOR IDENTIFYING MEMORY COMPONENTS IN SINGLE-TRIAL EEGS. SIGNAL AND DATA PROCESSING, -(2 (SERIAL 12)), 39-52. SID. https://sid.ir/paper/160806/en

    Vancouver: Copy

    TALEBI NASIBEH, M. NASRABADI ALI. APPLYING RECURRENCE PLOTS FOR IDENTIFYING MEMORY COMPONENTS IN SINGLE-TRIAL EEGS. SIGNAL AND DATA PROCESSING[Internet]. 2009;-(2 (SERIAL 12)):39-52. Available from: https://sid.ir/paper/160806/en

    IEEE: Copy

    NASIBEH TALEBI, and ALI M. NASRABADI, “APPLYING RECURRENCE PLOTS FOR IDENTIFYING MEMORY COMPONENTS IN SINGLE-TRIAL EEGS,” SIGNAL AND DATA PROCESSING, vol. -, no. 2 (SERIAL 12), pp. 39–52, 2009, [Online]. Available: https://sid.ir/paper/160806/en

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