Developmental features of sleep electrophysiology in family dogs.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
23 11 2021
23 11 2021
Historique:
received:
04
02
2021
accepted:
10
11
2021
entrez:
24
11
2021
pubmed:
25
11
2021
medline:
1
2
2022
Statut:
epublish
Résumé
Age-related differences in dog sleep and the age at which dogs reach adulthood as indexed by sleep electrophysiology are unknown. We assessed, in (1) a Juvenile sample (n = 60) of 2-14-month-old dogs (weight range: 4-68 kg), associations between age, sleep macrostructure, and non-rapid eye movement (NREM) EEG power spectrum, whether weight moderates associations, and (2) an extended sample (n = 91) of 2-30-months-old dogs, when sleep parameters stabilise. In Juvenile dogs, age was positively associated with time in drowsiness between 2 and 8 months, and negatively with time in rapid eye movement (REM) sleep between 2 and 6 months. Age was negatively associated with delta and positively with theta and alpha power activity, between 8 and 14 months. Older dogs exhibited greater sigma and beta power activity. Larger, > 8-month-old dogs had less delta and more alpha and beta activity. In extended sample, descriptive data suggest age-related power spectrum differences do not stabilise by 14 months. Drowsiness, REM, and delta power findings are consistent with prior results. Sleep electrophysiology is a promising index of dog neurodevelopment; some parameters stabilise in adolescence and some later than one year. Determination of the effect of weight and timing of power spectrum stabilisation needs further inquiry. The dog central nervous system is not fully mature by 12 months of age.
Identifiants
pubmed: 34815446
doi: 10.1038/s41598-021-02117-1
pii: 10.1038/s41598-021-02117-1
pmc: PMC8611005
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
22760Subventions
Organisme : Magyar Tudományos Akadémia
ID : 01031
Organisme : MTA Lendület ("Momentum") Grant
ID : #LP2018-3/2018
Organisme : National Research, Development and Innovation Office
ID : OTKA FK 128242
Organisme : National Research, Development and Innovation Office
ID : K 132372
Organisme : Fundação Bial
ID : 169/16
Commentaires et corrections
Type : ErratumIn
Informations de copyright
© 2021. The Author(s).
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