Neural Biomarker-Based Diagnosis of Alzheimer’s Disease: AI Models and Electroencephalography
DOI:
https://doi.org/10.47611/jsrhs.v13i4.7862Keywords:
AI, Support Vector Machines, Machine Learning, Electroencephalography, Alzheimer's, Alzheimer's Disease, Early Alzheimer's Disease Detection, Disease Detection, Early Screening, Cognitive Neuroscience, EEG, BrainwavesAbstract
Millions of people in the United States suffer from Alzheimer’s Disease (AD), an incurable form of dementia that continues to increase in prevalence. Current methods of AD diagnosis are limited to a late stage by which time the treatment options are limited, quality of life is poor, and cost of treatment is exponentially high. Early medical diagnosis of AD is difficult since standard non-invasive techniques require extensive tests and can still generate false positives and negatives, leading to misdiagnosis. This study proposes a supervised machine learning model trained on readily available Electroencephalography (EEG) patient data to diagnose potential AD patients. Relevant features were extracted and analyzed from an open-source EEG database, collected from 186 patients using the trained machine learning model of best fit. Our artificial intelligence (AI) model is an alternative to current late-state detection methods which require complex and risky procedures that can lead to inaccuracies. In addition, current algorithms require feature manipulation and sort through hundreds of thousands of raw EEG data points to obtain unreliable results. The results demonstrate that, given EEG data of 93 close-eyed patients, the trained logistic regression model- the machine learning model of best fit - achieved a sensitivity of 100% and overall accuracy of 87%, using data recordings of only eight second segments for each patient. This novel AD screening tool, with a cloud-based AI model, can be easily deployed at primary health care clinics tor screen patients for AD during their yearly clinical visits to increase early diagnosis.
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