fMRI Feature Extraction Model for ADHD Classification Using Convolutional Neural Network

Senuri De Silva, Sanuwani Udara Dayarathna, Gangani Ariyarathne, Dulani Meedeniya and Sampath Jayarathna
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Senuri De Silva: University of Moratuwa, Sri Lanka
Sanuwani Udara Dayarathna: University of Moratuwa, Sri Lanka
Gangani Ariyarathne: University of Moratuwa, Sri Lanka
Dulani Meedeniya: University of Moratuwa, Sri Lanka
Sampath Jayarathna: Old Dominion University, USA

International Journal of E-Health and Medical Communications (IJEHMC), 2021, vol. 12, issue 1, 81-105

Abstract: Biomedical intelligence provides a predictive mechanism for the automatic diagnosis of diseases and disorders. With the advancements of computational biology, neuroimaging techniques have been used extensively in clinical data analysis. Attention deficit hyperactivity disorder (ADHD) is a psychiatric disorder, with the symptomology of inattention, impulsivity, and hyperactivity, in which early diagnosis is crucial to prevent unwelcome outcomes. This study addresses ADHD identification using functional magnetic resonance imaging (fMRI) data for the resting state brain by evaluating multiple feature extraction methods. The features of seed-based correlation (SBC), fractional amplitude of low-frequency fluctuation (fALFF), and regional homogeneity (ReHo) are comparatively applied to obtain the specificity and sensitivity. This helps to determine the best features for ADHD classification using convolutional neural networks (CNN). The methodology using fALFF and ReHo resulted in an accuracy of 67%, while SBC gained an accuracy between 84% and 86% and sensitivity between 65% and 75%.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:igg:jehmc0:v:12:y:2021:i:1:p:81-105

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