Parameters of EEG Dimensional Complexity in Alzheimer's Disease

Overview

Journal Electroencephalogr Clin Neurophysiol

Publisher Elsevier

Specialties Neurology
Physiology

Date 1995 Aug 1

PMID 7649009

Citations 20

Authors

C Besthorn

H Sattel

R Zerfass

H Forstl

Affiliations

Soon will be listed here.

Abstract

The dimensional complexity or fractal dimension of the EEG recorded at 17 locations from the 10-20 system was studied using a very fast new algorithm. The paper contains 2 parts. First, the influence of several parameters (embedding dimension, delay time, high and low frequency cutoff, ADC precision and sweep length) on the estimation of dimensional complexity is investigated. Then it is shown that patients with Alzheimer's disease (n = 50) have significantly lower dimensional complexity than age-approximated non-demented controls (n = 42).

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