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11 results for “sleep spindle”
Temporal cluster-based organisation of sleep spindles underlies motor memory consolidation
<p><span>Sleep benefits motor memory consolidation, which is mediated by sleep spindle activity and associated memory reactivations during non-rapid eye movement (NREM) sleep. However, the particular role of NREM2 and NREM3 sleep spindles and the mechanisms triggering this memory consolidation process remai<span>n unclear. Here, sim</span>ultaneous electroencephalographic and functional magnetic resonance imaging (EEG-fMRI) recordings were collected during night-time sleep following the learning of a motor sequence task. Adopting a time-based clustering approach, we provide evidence that spindles iteratively occur within clustered and temporally organised patterns during both NREM2 and NREM3 sleep. However, the clustering of spindles in trains is related to motor memory consolidation during NREM2 sleep only</span><span>. Altogether</span><span>,</span><span> our findings suggest t</span><span>hat</span><span> spindles' clustering and </span><span>rhythmic occurrence </span><span>during NREM2 sleep may serve as an intrinsic rhythmic sleep mechanism for the timed reactivation and subsequent consolidation of motor memories, through synchronised oscillatory activity within a subcortical-cortical network involved during learning</span>.</p>
Temporal cluster-based organisation of sleep spindles underlies motor memory consolidation
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Sleep Spindles Organization as an Early Neural Marker of Neuromotor Outcome
ClinicalTrials.gov study NCT06256887. IPD Sharing: Not stated. Countries: 1. Publications: 1.
The Relationship Between Social Memory Disorders and Sleep Spindles in Children With Autism Spectrum Disorder
ClinicalTrials.gov study NCT06306378. IPD Sharing: NO. Countries: 1. Publications: 3.
Data from: NREM2 and sleep spindles are instrumental to the consolidation of motor sequence memories
Although numerous studies have convincingly demonstrated that sleep plays a critical role in motor sequence learning (MSL) consolidation, the specific contribution of the different sleep stages in this type of memory consolidation is still contentious. To probe the role of stage 2 non-REM sleep (NREM2) in this process, we used a conditioning protocol in three different groups of participants who either received an odor during initial training on a motor sequence learning task and were re-exposed to this odor during different sleep stages of the post-training night (i.e., NREM2 sleep [Cond-NREM2], REM sleep [Cond-REM], or were not conditioned during learning but exposed to the odor during NREM2 [NoCond]). Results show that the Cond-NREM2 group had significantly higher gains in performance at retest than both the Cond-REM and NoCond groups. Also, only the Cond-NREM2 group yielded significant changes in sleep spindle characteristics during cueing. Finally, we found that a change in frequency of sleep spindles during cued-memory reactivation mediated the relationship between the experimental groups and gains in performance the next day. These findings strongly suggest that cued-memory reactivation during NREM2 sleep triggers an increase in sleep spindle activity that is then related to the consolidation of motor sequence memories.
Sleep Spindles and Memory in Rolandic Epilepsy
ClinicalTrials.gov study NCT04569708. IPD Sharing: YES. Countries: 1. Publications: 0.
Data from: NREM2 and sleep spindles are instrumental to the consolidation of motor sequence memories
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Melatonin and Sleep Spindles in Autism
ClinicalTrials.gov study NCT05716906. IPD Sharing: YES. Countries: 1. Publications: 0.
Relationships Between Sleep Spindle and Cognitive Process in Healthy Adults
ClinicalTrials.gov study NCT04596449. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
The Effect of Transcranial Direct Current Stimulation Upon Sleep Spindles in Healthy Older Adults
ClinicalTrials.gov study NCT05375552. IPD Sharing: YES. Countries: 1. Publications: 0.
Complement factor C1q mediates sleep spindle disruption and epileptic spikes after mild brain injury
GEO Series GSE179541. Mus musculus. 4 samples. Type: Expression profiling by high throughput sequencing.
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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.