Evaluating brain signal of patients with mild Alzheimer in order to early separation of them from normal individuals

Abstract

The purpose and incentive of this study is designing and providing a system for identifying mild Alzheimer. Alzheimer can be identified by losing neurons synapses in some brain regions, necrotic brain cells in different parts of the nervous system, creating globular form of protein structures called senile plaques outside of neurons in some brain regions and filamentous protein structures called spiral coils in the cell body of neurons. FlexComp is a device used to record brain signals. Two channels of Fz and Pz are used for the reference of electrode ear to record the signals. Brain signals were taken from individual with open eyes for 2 minutes and 2 minutes blindfolded. Best results were extracted in delta rf open oz ، beta coherence close with close ، wavelet Alpha sig close fz ، wavelet theta sig open oz و FD sig open fz modes..