Perplexity about periodicity repeats perpetually: A response to Brookshire

  • Brookshire (2022) claims that previous analyses of periodicity in detection performance after a reset event suffer from extreme false-positive rates. Here we show that this conclusion is based on an incorrect implemention of a null-hypothesis of aperiodicity, and that a correct implementation confirms low false-positive rates. Furthermore, we clarify that the previously used method of shuffling-in-time, and thereby shuffling-in-phase, cleanly implements the null hypothesis of no temporal structure after the reset, and thereby of no phase locking to the reset. Moving from a corresponding phase-locking spectrum to an inference on the periodicity of the underlying process can be accomplished by parameterizing the spectrum. This can separate periodic from non-periodic components, and quantify the strength of periodicity.

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Author:Daniele Re, Tommaso TosatoORCiD, Pascal FriesORCiDGND, Ayelet N. LandauORCiD
Parent Title (English):bioRxiv
Document Type:Preprint
Date of Publication (online):2022/09/28
Date of first Publication:2022/09/28
Publishing Institution:Universit├Ątsbibliothek Johann Christian Senckenberg
Release Date:2023/04/28
Page Number:8
Institutes:Angeschlossene und kooperierende Institutionen / MPI f├╝r Hirnforschung
Dewey Decimal Classification:1 Philosophie und Psychologie / 15 Psychologie / 150 Psychologie
Licence (German):License LogoCreative Commons - CC BY-ND - Namensnennung - Keine Bearbeitungen 4.0 International