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Updated: Jul 10, 2026
Examining the Characteristics of Episodic Memory using Event-related Potentials in Patients with Alzheimer's Disease
Published on: August 30, 2011
Phase space analysis of Event Related Potential during episodic memory retrieval
M Ghoshuni1, A M Nasrabadi, M A Khalilzadeh
1Department of Biomedical Engineering, Islamic Azad University, Mashhad Branch, Mashhad, Iran. ghoshuni@gmail.com
Abstract:
In this study we have used recurrence analysis (RA) to classify ERPs that appear from episodic memory retrieval in old/new recognition task. Since RA is based on embedding phase space, we have used correlation dimension and autocorrelation function in order to estimate embedding dimension and the lag time between successive components of each of embedding space vectors alternatively. According to RA the rates of classification have been improved in comparison to previous study. We have obtained 98.9% accuracy for train data and 97.7% for test data. Furthermore we could classify ERPs with line interference noise using RA.
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