Cited by 46EEG and Brain-Computer InterfacesDementia and Cognitive Impairment ResearchArtificial Intelligence in Healthcare

The I.F.A.S.T. Model Allows the Prediction of Conversion to Alzheimer Disease in Patients with Mild Cognitive Impairment with High Degree of Accuracy

Buscema, M., Grossi, E., Capriotti, M., Babiloni, C., Rossini, P.·2010·Current Alzheimer Research

Abstract

This paper presents the results obtained with the innovative use of special types of artificial neural networks (ANNs) assembled in a novel methodology named IFAST (implicit function as squashing time) capable of compressing the temporal sequence of electroencephalographic (EEG) data into spatial invariants. The aim of this study is to test the potential of this parallel and nonlinear EEG analysis technique in providing an automatic classification of mild cognitive impairment (MCI) subjects who will convert to Alzheimer's disease (AD) with a high degree of accuracy. Eyes-closed resting EEG data (10-20 electrode montage) were recorded in 143 amnesic MCI subjects. Based on 1-year follow up, the subjects were retrospectively classified to MCI converted to AD and MCI stable. The EEG tracks were successively filtered according to four different frequency ranges, in order to evaluate the hypotheses that a specific range, corresponding to specific brain wave type, could provide a better classification (0.12 Hz, 12.2 - 29.8 Hz; 30.2 - 40 Hz, and finally Notch Filter 48 - 50 Hz). The spatial content of the EEG voltage was extracted by IFAST step-wise procedure using ANNs. The data input for the classification operated by ANNs were not the EEG data, but the connections weights of a nonlinear auto-associative ANN trained to reproduce the recorded EEG tracks. These weights represented a good model of the peculiar spatial features of the EEG patterns at scalp surface. The classification based on these parameters was binary and performed by a supervised ANN. The best results distinguishing between MCI stable and MCI/AD reached to 85.98%.(012 Hz band). And confirmed the working hypothesis that a correct automatic classification can be obtained extracting spatial information content of the resting EEG voltage by ANNs and represent the basis for research aimed at integrating spatial and temporal information content of the EEG. These results suggest that this low-cost procedure can reliably distinguish eyes-closed resting EEG data in individual MCI subjects who will have different prognosis at 1-year follow up, and is promising for a large-scale periodic screening of large populations at amnesic MCI subjects at risk of AD.

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Crossref · 10.2174/156720510790691137

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Authors
Buscema, M., Grossi, E., Capriotti, M., Babiloni, C., & Rossini, P.
Affiliations
  • Semeion Centro Ricerche di Scienze della Comunicazione (IT)
  • Bracco (Italy) (IT)
Venue
Current Alzheimer Research
Published
2010-03-01
Volume
7
Issue
2
Pages
173-187
ISSN
1567-2050 (ISSN-L)
OpenAlex
W2067726932
Cited by
46
References
38
Citations by year
2024: 1 · 2022: 1 · 2021: 2 · 2020: 5 · 2019: 5 · 2018: 3 · 2017: 5 · 2016: 4 · 2015: 5 · 2014: 2 · 2013: 6 · 2012: 4
FWCI
2.52
Type
journal article
Language
en
Open access
closed
Locations
  • Current Alzheimer Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › EEG and Brain-Computer Interfaces
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Health Professions › Health Information Management › Artificial Intelligence in Healthcare
Keywords
mild cognitive impairment, resting-state EEG, artificial neural networks, autoencoder, eyes-closed EEG, amnestic MCI
MeSH terms
Aged, Aged, 80 and over, Algorithms, Alzheimer Disease, Artificial Intelligence, Cerebral Cortex, Cognition Disorders, Computer Simulation, Electroencephalography, Evoked Potentials, Female, Humans, Male, Middle Aged, Predictive Value of Tests, Prognosis, Signal Processing, Computer-Assisted, Software, Time Factors, Neural Networks, Computer, Nonlinear Dynamics, Disease Progression

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