5 research outputs found
Erratum to: Delta rhythmicity is a reliable EEG biomarker in Angelman syndrome: a parallel mouse and human analysis
After publication of our article [1], we became aware that
there were two minor data loading and analysis scripting
errors in the human EEG data processing pipeline. These
errors affected the channel loading/grouping and sleep/
wake coding of EEG data. We have re-analysed all the
data affected by these errors. The errors do not affect any
interpretations or conclusions, thus no changes to the text
are required apart from correcting p values and raw values
affected by the errors. There are no changes to statistical
significance or lack-thereof. The errors affect data presented
in Fig. 3, Fig. 4, Fig. 5, and Additional file 3: Figure
S3 and thus we have re-plotted these figures (see below)
Delta rhythmicity is a reliable EEG biomarker in Angelman syndrome: a parallel mouse and human analysis
Background: Clinicians have qualitatively described rhythmic delta activity as a prominent EEG abnormality in individuals with Angelman syndrome, but this phenotype has yet to be rigorously quantified in the clinical population or validated in a preclinical model. Here, we sought to quantitatively measure delta rhythmicity and evaluate its fidelity as a biomarker. Methods: We quantified delta oscillations in mouse and human using parallel spectral analysis methods and measured regional, state-specific, and developmental changes in delta rhythms in a patient population. Results: Delta power was broadly increased and more dynamic in both the Angelman syndrome mouse model, relative to wild-type littermates, and in children with Angelman syndrome, relative to age-matched neurotypical controls. Enhanced delta oscillations in children with Angelman syndrome were present during wakefulness and sleep, were generalized across the neocortex, and were more pronounced at earlier ages. Conclusions: Delta rhythmicity phenotypes can serve as reliable biomarkers for Angelman syndrome in both preclinical and clinical settings. Electronic supplementary material The online version of this article (doi:10.1186/s11689-017-9195-8) contains supplementary material, which is available to authorized users
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Erratum to: Delta rhythmicity is a reliable EEG biomarker in Angelman syndrome: a parallel mouse and human analysis.
[This corrects the article DOI: 10.1186/s11689-017-9195-8.]