Unknown

Dataset Information

0

Twin-based heritability of actimetry traits.


ABSTRACT: There is a critical need for phenotypes with substantial heritability that can be used as endophenotypes in behavioral genetic studies. Activity monitoring, called actimetry, has potential as a means of assessing sleep and circadian rhythm traits that could serve as endophenotypes relevant to a range of psychopathologies. This study examined a range of actimetry traits for heritability using a classic twin design. The sample consisted of 195 subjects from 45 monozygotic (MZ) and 50 dizygotic (DZ) twin pairs aged 16-40?years. Subjects wore both a research-grade actimeter (GENEActiv) and a consumer-oriented device (FitBit) for 2?weeks. Sleep and circadian traits were extracted from GENEActiv data using PennZzz and ChronoSapiens software programs. Sleep statistics for a limited number of FitBit-collected traits were generated by its accompanying mobile app. Broad sense heritability was computed on a set of 33 MZ and 38 DZ twin pairs with complete data using both OpenMX and SOLAR software. These analyses yielded a large number of actimetry-derived traits, 20 of which showed high heritability (h2 >?0.6), seven of which remain significant after Bonferroni correction. These results indicate that actimetry enables assessing a range of phenotypes with substantial heritability that may be useful as endophenotypes for genetic studies.

SUBMITTER: Gehrman PR 

PROVIDER: S-EPMC7199794 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

altmetric image

Publications

Twin-based heritability of actimetry traits.

Gehrman Philip R PR   Ghorai Arpita A   Goodman Matthew M   McCluskey Richard R   Barilla Holly H   Almasy Laura L   Roenneberg Till T   Bucan Maja M  

Genes, brain, and behavior 20190524 5


There is a critical need for phenotypes with substantial heritability that can be used as endophenotypes in behavioral genetic studies. Activity monitoring, called actimetry, has potential as a means of assessing sleep and circadian rhythm traits that could serve as endophenotypes relevant to a range of psychopathologies. This study examined a range of actimetry traits for heritability using a classic twin design. The sample consisted of 195 subjects from 45 monozygotic (MZ) and 50 dizygotic (DZ  ...[more]

Similar Datasets

| S-EPMC4387008 | biostudies-literature
| S-EPMC4724890 | biostudies-other
| S-EPMC5802501 | biostudies-literature
| S-EPMC7182094 | biostudies-literature
| S-EPMC6866954 | biostudies-literature
| S-EPMC5410124 | biostudies-literature
| S-EPMC4667127 | biostudies-literature
| S-EPMC3770104 | biostudies-literature
| S-EPMC4483152 | biostudies-literature
| S-EPMC5862984 | biostudies-literature