2024-03-28T18:13:41Zhttp://uvadoc.uva.es/oai/requestoai:uvadoc.uva.es:10324/217262021-06-23T13:27:47Zcom_10324_1191com_10324_931com_10324_894col_10324_1379
UVaDOC
author
Juan Cruz, Celia
author
Gómez Peña, Carlos
author
Poza Crespo, Jesús
author
Fernández, Alberto
author
Hornero Sánchez, Roberto
2016-12-14T12:59:10Z
2016-12-14T12:59:10Z
2016
Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference, 2016, p. 724 - 727
1557-170X
http://uvadoc.uva.es/handle/10324/21726
10.1109/EMBC.2016.7590804
The aim of this study was to analyze resting-state
magnetoencephalography (MEG) activity in Alzheimer’s
disease (AD) by means of Granger Causality (GC), an effective
connectivity measure that provides an estimation of the
information flow between brain regions. For this task, five
minutes of MEG recordings were acquired with a 148-channel
whole-head magnetometer from 36 AD patients and 26 healthy
controls. Abnormalities in AD connectivity were found in the
five typical frequency bands: delta (δ, 1-4 Hz), theta (θ, 4-8 Hz),
alpha (α, 8-13 Hz), beta (β, 13-30 Hz), and gamma (γ, 30-65
Hz). Noteworthy increments in delta band and decrements in
beta and gamma bands revealed disrupted connections in AD
brain activity. Our analyses suggest that GC may be useful to
characterize the brain impairment in AD.
eng
Attribution-NonCommercial-NoDerivatives 4.0 International
Alzheimer, Enfermedad de
Analysis of Magnetoencephalography Signals from Alzheimer’s Disease Patients Using Granger Causality
info:eu-repo/semantics/article
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
URL
https://uvadoc.uva.es/bitstream/10324/21726/1/JuanCruz_etal_EMBC_2016_post-review.pdf
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JuanCruz_etal_EMBC_2016_post-review.pdf