Article Dans Une Revue Iscience Année : 2025

Auditory evoked Delta-brushes involve stimulus-specific cortical networks in preterm infants

Mostafa Mokhtari
Lisa Ouss

Résumé

During the third trimester of gestation in humans, the auditory cortex displays spontaneous and auditory-evoked EEG patterns of intermittent local oscillatory activity nested in delta waves - delta brushes (DBs). To test whether the spatiotemporal dynamics of evoked DBs depends on stimulus type, we studied auditory evoked responses (AERs) to voice and \"click\" using 32-electrode EEG in 30 healthy neonates aged 30 to 38 post-menstrual weeks. Both stimuli elicited two peaks at approximately 250 ms and 600 ms, the second corresponding to the first principal components of the AER and the evoked DB. The DB showed stimulus-specific topography, temporal posterior and mid-temporal for \"click\", and mid-temporal and pre-central inferior for voice, and contained theta to gamma oscillations more widespread for the \"click\"response. Gamma oscillations increased with age. AERs predominated on the right but shifted toward the left with age for voice response. Auditory evoked DBs may therefore underlie specific auditory processing during fetal development. This study was a part of a clinical trial registered as a Clinical Research Study “Early EEG activities in preterm infant” (N° ID-RCB: 2008-A0147-49), French Research Agency https://anr.fr/Projet-ANR-09-MNPS-0006).

Fichier principal
Vignette du fichier
1-s2.0-S2589004225005747-main.pdf (10.26 Mo) Télécharger le fichier
ScienceDirect_files_14May2025_12-25-36.954.zip (7.7 Mo) Télécharger le fichier
Recherche Data Gouv

Cite 10.57745/XPXYHR Jeu de données KAMINSKA, Anna, 2025, "Données de réplication pour "Auditory evoked Delta-brushes involve stimulus-specific cortical networks in preterm infants"", https://doi.org/10.57745/XPXYHR, Recherche Data Gouv, V1, UNF:6:goc6slDVJpFfsgmnllJLvw== [fileUNF]

DOI

Cite 10.17632/7S382FS2BG.2 Jeu de données delattre, victor, kaminska, anna, & Arzounian, D. (2025). Auditory evoked Delta-brushes involve stimulus-specific cortical networks in preterm infants [Data set]. Mendeley Data. https://doi.org/10.17632/7S382FS2BG.2

All original code has been deposited on Mendeley data

Dates et versions

hal-05067471 , version 1 (14-05-2025)

Licence

Identifiants

Citer

Anna Kamińska, Dorothée Arzounian, Victor Delattre, Jacques Laschet, Jean-François Magny, et al.. Auditory evoked Delta-brushes involve stimulus-specific cortical networks in preterm infants. Iscience, 2025, 28 (5), pp.112313. ⟨10.1016/j.isci.2025.112313⟩. ⟨hal-05067471⟩
201 Consultations
103 Téléchargements

Altmetric

Partager

  • More