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51 results for “Activity rhythms”
Sleep Behavior and Rest-activity Circadian Rhythm (RAR) in Hip/Knee Prosthesis
ClinicalTrials.gov study NCT03572920. IPD Sharing: NO. Countries: 1. Publications: 7.
The Circadian Rhythm in CusHing SyndrOme in Active Phase and dUring RemiSsion (TheHOURS)
ClinicalTrials.gov study NCT03343470. IPD Sharing: Not stated. Countries: 1. Publications: 5.
Using Heart Electrical Signals to Study How Well Treatments Prevent Dangerous Heart Rhythms in Active People
ClinicalTrials.gov study NCT07014579. IPD Sharing: UNDECIDED. Countries: 1. Publications: 2.
Data from: When the sun never sets: diverse activity rhythms under continuous daylight in free-living arctic-breeding birds
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Data from: Freezer on, lights off! Environmental effects on activity rhythms of fish in the Arctic
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Figure 5 in Aspects of the activity rhythm and population size of troglophilic mygalomorph spiders (Trechona sp., Dipluridae) in a quartzite cave in Minas Gerais, Brazil
Figure 5. Percentage of Trechona sp. spiders (mean of 10 observations) found active in the twilight zone during dawn and dusk. The hours in the graph corresponds to actual time, without daylight saving time (DST) correction.
Figure 3 in Aspects of the activity rhythm and population size of troglophilic mygalomorph spiders (Trechona sp., Dipluridae) in a quartzite cave in Minas Gerais, Brazil
Figure 3. Percentage of Trechona sp. spiders (mean of 10 observations) found active in the entrance zone during dawn and dusk. The hours in the graph corresponds to actual time, without daylight saving time (DST) correction.
Figure 4 in Aspects of the activity rhythm and population size of troglophilic mygalomorph spiders (Trechona sp., Dipluridae) in a quartzite cave in Minas Gerais, Brazil
Figure 4. Percentage of Trechona sp. spiders (mean of 10 observations) found active in the dark zone during dawn and dusk. The hours in the graph corresponds to actual time, without daylight saving time (DST) correction.
Figure 2 in Aspects of the activity rhythm and population size of troglophilic mygalomorph spiders (Trechona sp., Dipluridae) in a quartzite cave in Minas Gerais, Brazil
Figure 2. Trechona sp. (A) Spider on sheet-web; (B) individual of Trechona sp. at the entrance of the tubular retreat, under a stone; (C) individual of Trechona sp. female; (D) spider positioned on the sheet-web close to tubular retreat.
Figure 1 in Aspects of the activity rhythm and population size of troglophilic mygalomorph spiders (Trechona sp., Dipluridae) in a quartzite cave in Minas Gerais, Brazil
Figure 1. Monte Cristo cave, general view of the entrance zone, arrow showing the access to twilight zone.
Data from: Towards large scale automated cage monitoring – Diurnal rhythm and impact of interventions on in-cage activity of C57BL/6J mice recorded 24/7 with a non-disrupting capacitive-based technique
Abstract Background and aims Automated recording of laboratory animal's home cage behavior is receiving increasing attention since such non-intruding surveillance will aid in the unbiased understanding of the normal animal cage behavior potentially improving animal experimental reproducibility. Material and methods Here we investigate activity of group held (5 mice/cage) female C57BL/6J mice (mus musculus) housed in standard Individually Ventilated Cages (IVC cages) across three test-sites: Consiglio Nazionale delle Ricerche (Rome, Italy), The Jackson Laboratory (Bar Harbor, USA) and Karolinska Insititutet (Stockholm, Sweden). Additionally, comparison of female and male C57BL/6J mice was done at KI. Activity was recorded using a capacitive-based sensor placed non-intrusively on the cage rack under the home cage collecting activity data every 250 msec, 24/7. The data collection was analyzed using non-parametric rank-based analysis of variance (nparLD) for longitudinal data comparing sites, weekdays and sex. Results The system detected an increase in activity preceding and peaking around lights-on followed by a decrease to a rest pattern. At lights off, activity increased substantially displaying a distinct temporal variation across this period. We also documented impact on mouse activity that standard animal handling procedures have, e.g. cage-changes, and show that even simple procedures are stressors impacting in-cage activity. These key observations replicated across the three test-sites, however, it is also clear that, apparently minor local environmental differences generate significant behavioral variances between the sites and within sites across weeks. Comparison of gender revealed differences in activity in the response to cage-change lasting for days in male but not female mice; and apparently also impacting the response to other events such as lights-on in males. Females but not males showed a larger tendency for week-to-week variance in activity possibly reflecting estrous cycling. Conclusions These data demonstrate that real-time home cage monitoring is scalable and run in real time, providing complementary information for animal welfare measures, experimental design and phenotype characterization.
Intra-population genetic variation in the level and rhythm of daily activity in Drosophila immigrans
<p>Genetic diversity within a population, such as polymorphisms and personality, is considered to improve population performance because such intraspecific variations have the potential to alleviate the competition for a limited resource or the risk of predation and sexual harassment at a population-level. Variation in the level and rhythm of daily activity in a population could also affect population performance by directly altering ecological, social, and sexual interactions among individuals. However, it remains to be elucidated whether such intra-population variation in the level and rhythms of daily activity exists in a natural population. Here, we investigated the genetic variation in daily activity within a single natural population of Drosophila immigrans. We established 21 isofemale lines from a single natural population, and measured larval activity level and the level and daily pattern of adult activity over a 24 h period. Larval activity level significantly varied among isofemale lines. Likewise, the activity level in the adult stage significantly varied among lines. The significant variation was also found in the daily pattern of adult activity; some lines showed greater activity level in the daytime, and others showed greater activity level in the night. Our results consistently suggest that there is a genetic variation in behavioral activity in a natural population, probably contributing to shaping the population performance.</p>
Intra-population genetic variation in the level and rhythm of daily activity in Drosophila immigrans
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Data from: Towards large scale automated cage monitoring – Diurnal rhythm and impact of interventions on in-cage activity of C57BL/6J mice recorded 24/7 with a non-disrupting capacitive-based technique
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Transcription factor activity rhythms and tissue-specific chromatin interactions explain circadian gene expression across organs
GEO Series GSE100457. Mus musculus. 44 samples. Type: Expression profiling by high throughput sequencing; Other.
NIMH Rhythms and Blues Study: A Prospective Natural History Study of Motor Activity, Mood States, and Bipolar Disorder
ClinicalTrials.gov study NCT05669703. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Effect of Active Breathing Exercises in Stroke Patients With Respiratory Rhythm Disorder
ClinicalTrials.gov study NCT06249516. IPD Sharing: NO. Countries: 1. Publications: 0.
RELATIONSHIP OF REDUCED HAMSTRING FLEXIBILITY WITH LUMBOPELVIC RHYTHM AND MUSCLE ACTIVATION
ClinicalTrials.gov study NCT07123012. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
A Longitudinal Follow-Up Study on Predicting Major Depressive Disorder From Rest-Activity Rhythm Profiles
ClinicalTrials.gov study NCT07388849. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effect of Social Isolation on Physical Activity Level, and Kinesophobia in Heart Rhythm Disorders During Pandemic
ClinicalTrials.gov study NCT04818697. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.