Recording visual evoked potentials and auditory evoked P300 at 9.4T static magnetic field.
Simultaneous recording of electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) has shown a number of advantages that make this multimodal technique superior to fMRI alone. The feasibility of recording EEG at ultra-high static magnetic field up to 9.4 T was recently demonstra...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Public Library of Science (PLoS)
2013-01-01
|
| Series: | PLoS ONE |
| Online Access: | http://europepmc.org/articles/PMC3641114?pdf=render |
| _version_ | 1818311198061363200 |
|---|---|
| author | Jorge Arrubla Irene Neuner David Hahn Frank Boers N Jon Shah |
| author_facet | Jorge Arrubla Irene Neuner David Hahn Frank Boers N Jon Shah |
| author_sort | Jorge Arrubla |
| collection | DOAJ |
| description | Simultaneous recording of electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) has shown a number of advantages that make this multimodal technique superior to fMRI alone. The feasibility of recording EEG at ultra-high static magnetic field up to 9.4 T was recently demonstrated and promises to be implemented soon in fMRI studies at ultra high magnetic fields. Recording visual evoked potentials are expected to be amongst the most simple for simultaneous EEG/fMRI at ultra-high magnetic field due to the easy assessment of the visual cortex. Auditory evoked P300 measurements are of interest since it is believed that they represent the earliest stage of cognitive processing. In this study, we investigate the feasibility of recording visual evoked potentials and auditory evoked P300 in a 9.4 T static magnetic field. For this purpose, EEG data were recorded from 26 healthy volunteers inside a 9.4 T MR scanner using a 32-channel MR compatible EEG system. Visual stimulation and auditory oddball paradigm were presented in order to elicit evoked related potentials (ERP). Recordings made outside the scanner were performed using the same stimuli and EEG system for comparison purposes. We were able to retrieve visual P100 and auditory P300 evoked potentials at 9.4 T static magnetic field after correction of the ballistocardiogram artefact using independent component analysis. The latencies of the ERPs recorded at 9.4 T were not different from those recorded at 0 T. The amplitudes of ERPs were higher at 9.4 T when compared to recordings at 0 T. Nevertheless, it seems that the increased amplitudes of the ERPs are due to the effect of the ultra-high field on the EEG recording system rather than alteration in the intrinsic processes that generate the electrophysiological responses. |
| first_indexed | 2024-12-13T07:58:08Z |
| format | Article |
| id | doaj.art-b3aa5fa6345146269da733bfe08ebae5 |
| institution | Directory Open Access Journal |
| issn | 1932-6203 |
| language | English |
| last_indexed | 2024-12-13T07:58:08Z |
| publishDate | 2013-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj.art-b3aa5fa6345146269da733bfe08ebae52022-12-21T23:54:30ZengPublic Library of Science (PLoS)PLoS ONE1932-62032013-01-0185e6291510.1371/journal.pone.0062915Recording visual evoked potentials and auditory evoked P300 at 9.4T static magnetic field.Jorge ArrublaIrene NeunerDavid HahnFrank BoersN Jon ShahSimultaneous recording of electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) has shown a number of advantages that make this multimodal technique superior to fMRI alone. The feasibility of recording EEG at ultra-high static magnetic field up to 9.4 T was recently demonstrated and promises to be implemented soon in fMRI studies at ultra high magnetic fields. Recording visual evoked potentials are expected to be amongst the most simple for simultaneous EEG/fMRI at ultra-high magnetic field due to the easy assessment of the visual cortex. Auditory evoked P300 measurements are of interest since it is believed that they represent the earliest stage of cognitive processing. In this study, we investigate the feasibility of recording visual evoked potentials and auditory evoked P300 in a 9.4 T static magnetic field. For this purpose, EEG data were recorded from 26 healthy volunteers inside a 9.4 T MR scanner using a 32-channel MR compatible EEG system. Visual stimulation and auditory oddball paradigm were presented in order to elicit evoked related potentials (ERP). Recordings made outside the scanner were performed using the same stimuli and EEG system for comparison purposes. We were able to retrieve visual P100 and auditory P300 evoked potentials at 9.4 T static magnetic field after correction of the ballistocardiogram artefact using independent component analysis. The latencies of the ERPs recorded at 9.4 T were not different from those recorded at 0 T. The amplitudes of ERPs were higher at 9.4 T when compared to recordings at 0 T. Nevertheless, it seems that the increased amplitudes of the ERPs are due to the effect of the ultra-high field on the EEG recording system rather than alteration in the intrinsic processes that generate the electrophysiological responses.http://europepmc.org/articles/PMC3641114?pdf=render |
| spellingShingle | Jorge Arrubla Irene Neuner David Hahn Frank Boers N Jon Shah Recording visual evoked potentials and auditory evoked P300 at 9.4T static magnetic field. PLoS ONE |
| title | Recording visual evoked potentials and auditory evoked P300 at 9.4T static magnetic field. |
| title_full | Recording visual evoked potentials and auditory evoked P300 at 9.4T static magnetic field. |
| title_fullStr | Recording visual evoked potentials and auditory evoked P300 at 9.4T static magnetic field. |
| title_full_unstemmed | Recording visual evoked potentials and auditory evoked P300 at 9.4T static magnetic field. |
| title_short | Recording visual evoked potentials and auditory evoked P300 at 9.4T static magnetic field. |
| title_sort | recording visual evoked potentials and auditory evoked p300 at 9 4t static magnetic field |
| url | http://europepmc.org/articles/PMC3641114?pdf=render |
| work_keys_str_mv | AT jorgearrubla recordingvisualevokedpotentialsandauditoryevokedp300at94tstaticmagneticfield AT ireneneuner recordingvisualevokedpotentialsandauditoryevokedp300at94tstaticmagneticfield AT davidhahn recordingvisualevokedpotentialsandauditoryevokedp300at94tstaticmagneticfield AT frankboers recordingvisualevokedpotentialsandauditoryevokedp300at94tstaticmagneticfield AT njonshah recordingvisualevokedpotentialsandauditoryevokedp300at94tstaticmagneticfield |