Investigating EEG Signals of Autistic Individuals Using Detrended Fluctuation Analysis
Author:
Radhakrishnan Menaka,Ramamurthy Karthik,Kothandaraman Avantika,Madaan Gauri,Machavaram Harini
Abstract
To record all electrical activity of the human brain, an electroencephalogram (EEG) test using electrodes attached to the scalp is conducted. Analysis of EEG signals plays an important role in the diagnosis and treatment of brain diseases in the biomedical field. One of the brain diseases found in early ages include autism. Autistic behaviours are hard to distinguish, varying from mild impairments, to intensive interruption in daily life. The non-linear EEG signals arising from various lobes of the brain have been studied with the help of a robust technique called Detrended Fluctuation Analysis (DFA). Here, we study the EEG signals of Typically Developing (TD) and children with Autism Spectrum Disorder (ASD) using DFA. The Hurst exponents, which are the outputs of DFA, are used to find out the strength of self-similarity in the signals. Our analysis works towards analysing if DFA can be a helpful analysis for the early detection of ASD.
Funder
Department of Science and Technology DST under Science for Equity, Empowerment, and Development (SEED) Division
Publisher
International Information and Engineering Technology Association
Subject
Electrical and Electronic Engineering
Cited by
2 articles.
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