Abstract #1879
Exploring the pulse artefact in EEG recordings at 9.4 T magnetic field
Jorge Arrubla 1 , Lukas Breuer 1 , Nuno da Silva 1 , Jrgen Dammers 1 , Irene Neuner 1,2 , and N. Jon Shah 1,3
1
Institute of Neuroscience and Medicine - 4,
Forschungszentrum Jlich, Jlich, NRW, Germany,
2
Department
of Psychiatry, Psychotherapy and Psychosomatics, RWTH
Aachen University, Aachen, NRW, Germany,
3
JARA
- Faculty of Medicine, RWTH Aachen University, Aachen,
NRW, Germany
In this study we investigate components of the pulse
artefact in EEG data recorded at 9.4 T using a
combination of ICA, ICASSO and CTPS. We found that the
pulse artefact can be separated into different
deflections, depending on the phase of the heartbeat,
which contribute differently to the resulting artefact.
It was possible to identify a link between the amplitude
of the pulse artefact and the age of our volunteers,
suggesting that the pulse artefact has a strong
dependence on what we hypothesize is the arterial
compliance.
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