Analysis of EEG background activity in Alzheimer's disease patients with Lempel–Ziv complexity and central tendency measure
نویسندگان
چکیده
منابع مشابه
Analysis of EEG background activity in Alzheimer's disease patients with Lempel-Ziv complexity and central tendency measure.
In this study we have investigated the electroencephalogram (EEG) background activity in patients with Alzheimer's disease (AD) using non-linear analysis methods. We calculated the Lempel-Ziv (LZ) complexity - applying two different sequence conversion methods - and the central tendency measure (CTM) of the EEG in 11 AD patients and 11 age-matched control subjects. CTM quantifies the degree of ...
متن کاملApproximate Entropy of EEG Background Activity in Alzheimer's Disease Patients
Non-linear analysis of the electroencephalogram (EEG) background activity can help to obtain a better understanding of abnormal dynamics in the brain. The aim of this study was to analyze the regularity of the EEG time series of Alzheimer’s disease (AD) patients to test the hypothesis that the irregularity of the AD patients’ EEG is lower than that of age-matched controls. We recorded the EEG f...
متن کاملAnalysis of regularity in the EEG background activity of Alzheimer's disease patients with Approximate Entropy.
OBJECTIVE The aim of this study was to analyse the regularity of the EEG background activity of Alzheimer's disease (AD) patients to test the hypothesis that the irregularity of the AD patients' EEG is lower than that of age-matched controls. METHODS We recorded the EEG from 19 scalp electrodes in 10 AD patients and 8 age-matched controls and estimated the Approximate Entropy (ApEn). ApEn is ...
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ژورنال
عنوان ژورنال: Medical Engineering & Physics
سال: 2006
ISSN: 1350-4533
DOI: 10.1016/j.medengphy.2005.07.004