Identification of Alzheimer’s Disease by Imaging: A Comprehensive Review

Prasath T. and Sumathi V. ()
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Prasath T.: School of Electrical Engineering, VIT Chennai, Chennai 600127, Tamil Nadu, India
Sumathi V.: Centre for Automation, School of Electrical Engineering, VIT Chennai, Chennai 600127, Tamil Nadu, India

IJERPH, 2023, vol. 20, issue 2, 1-14

Abstract: In developing countries, there is more concern for Alzheimer’s disease (AD) by public health professionals due to its catastrophic effects on the elderly. Early detection of this disease helps in starting the therapy soon and slows down the progression of the disease. Imaging techniques are considered to be the best solutions for its detection. Brain imaging was initially used to diagnose AD. Different techniques for identifying protein accumulation in the nervous system, a sign of Alzheimer’s disease, are identified by MRI imaging. Although they were initially attributed to cortical dysfunction, visual system impairments in Alzheimer’s patients were also found in the early 1970s. Several non-invasive approaches reported for screening, prevention, and therapy were unsuccessful. It is vitally necessary to develop new diagnostic methods in order to accurately identify patients who are in the early stages of this disease. It would be wonderful to have a quick, non-invasive, affordable, and easily scalable Alzheimer’s disease screening. Researchers may be able to identify biomarkers for Alzheimer’s disease and understand more about its aetiology with imaging and data processing. This study clarifies the need for medical image processing and analysis strategies which aid in the non-invasive diagnosis of AD.

Keywords: medical imaging; image segmentation; image registration; image reconstruction; Alzheimer’s disease; non-invasive method (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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