Article (Scientific journals)
Harmonic amplitude summation for frequency-tagging analysis
Retter, Talia; Rossion, Bruno; Schiltz, Christine
2021In Journal of Cognitive Neuroscience
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Abstract :
[en] In the approach of frequency tagging, stimuli that are presented periodically generate periodic responses of the brain. Following a transformation into the frequency domain, the brain’s response is often evident at the frequency of stimulation, F, and its higher harmonics (2F, 3F, etc.). This approach is increasingly used in neuroscience, as it affords objective measures to characterize brain function. However, whether these specific harmonic frequency responses should be combined for analysis, and if so, how, remains an outstanding issue. In most studies, higher harmonic responses have not been described or were described only individually; in other studies, harmonics have been combined with various approaches, e.g., averaging and root mean squared summation. A rationale for these approaches in the context of frequency-based analysis principles, and understanding of how they relate to the brain’s response amplitudes in the time domain, has been missing. Here, with these elements addressed, the summation of (baseline-corrected) harmonic amplitude is recommended.
Disciplines :
Neurosciences & behavior
Author, co-author :
Retter, Talia  ;  University of Luxembourg > Faculty of Humanities, Education and Social Sciences (FHSE) > Department of Behavioural and Cognitive Sciences (DBCS)
Rossion, Bruno
Schiltz, Christine ;  University of Luxembourg > Faculty of Humanities, Education and Social Sciences (FHSE) > Department of Behavioural and Cognitive Sciences (DBCS)
External co-authors :
yes
Language :
English
Title :
Harmonic amplitude summation for frequency-tagging analysis
Publication date :
2021
Journal title :
Journal of Cognitive Neuroscience
ISSN :
1530-8898
Publisher :
Cambridge Center for Behavioral Studies, Cambridge, United States
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 16 April 2021

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