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140 results for “resting state”
Data from: Ultra-slow oscillations in fMRI and resting-state connectivity: Neuronal and vascular contributions and technical confounds
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Coordinates activities of retrosplenial ensembles during resting-state encode spatial landmarks. Part 1 of 2
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Coordinates activities of retrosplenial ensembles during resting-state encode spatial landmarks. Part 2 of 2
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Resting-state EEG recordings in 20-30-year-old and 65-75-year-old healthy humans
<p>Raw EEG recordings of resting-state brain activity (six one minute baseline recordings, alternating eyes-closed and eyes-open for one minute each), down-sampled offline to 512 Hz using the Biosemi decimator tool and exported from BrainAnalyzer after renaming the markers. No other changes applied.</p> <p>BrainAnalyzer generates three files for each subject, needed to open the data in BA, EEGlab… A text header file (.vhdr) containing meta data, a text marker file (.vmrk) containing information about events in the data and a binary data file (.eeg) containing the voltage values of the EEG.</p> <p>For acronyms within the recordings:</p> <p>- the start of each eye closed segment = BegF1 (or BegRSf for a few files)</p> <p>- the end of each eye closed segment = EndF1 (or EndRSf for a few files) </p> <p>- the start of each eye open segment = BegO1 (or BegRSo for a few files) </p> <p>- the end of each eye open segment = EndO1 (or EndRSo for a few files) </p>
Data from: Brain states govern the spatio-temporal dynamics of resting-state functional connectivity
<p>Previously, using simultaneous resting-state functional magnetic resonance imaging (fMRI) and photometry-based neuronal calcium recordings in the anesthetized rat, we identified blood oxygenation level-dependent (BOLD) responses directly related to slow calcium waves, revealing a cortex-wide and spatially organized correlate of locally recorded neuronal activity (<a href="#_ENREF_68" title="Schwalm, 2017 #1"><span>Schwalm et al., 2017</span></a>). Here, using the same techniques, we investigate two distinct cortical activity states: persistent activity, in which compartmentalized network dynamics were observed; and slow wave activity, dominated by a cortex-wide BOLD component, suggesting a strong functional coupling of inter-cortical activity. During slow wave activity we find a correlation between the occurring slow wave events and the strength of functional connectivity between different cortical areas. These findings suggest that down-up transitions of neuronal excitability can drive cortex-wide functional connectivity. This study provides further evidence that changes in functional connectivity are dependent on the brain's current state, directly linked to the generation of slow waves.</p> <p> </p>
Data from: Resilience to changes in lake trophic state: nutrient allocation into Daphnia resting eggs
<p><span><span><span><span><span><span><span><span><span><span><span>During past decades, many lakes underwent drastic human-caused changes in trophic state with strong implications for population dynamics and food web processes. We investigated the influence of trophic state on nutrient allocation into <i>Daphnia</i> resting eggs. The production of resting eggs is an important survival strategy, allowing <i>Daphnia </i>to cope with unfavorable environmental conditions. Allocation of essential nutrients into resting eggs may crucially influence embryonic development and offspring survival and thus is of great ecological and evolutionary interest. The capacity of <i>Daphnia</i> to adjust the allocation of nutrients into resting eggs may depend on the dietary nutrient supply, which may vary with trophic state-related changes in the phytoplankton community composition. Resting eggs were isolated from sediment cores taken from Lake Constance, a large pre-alpine lake with a distinct eutrophication and re-oligotrophication history, and analysed for elemental (carbon, nitrogen and phosphorus) and biochemical (sterols and fatty acids) nutrients. Carbon allocation into <i>Daphnia </i>resting eggs continuously decreased over time, irrespective of changes in trophic state. The allocation of nitrogen into <i>Daphnia</i> resting eggs followed the changes in trophic state, i.e. nitrogen concentrations in resting eggs increased with eutrophication and decreased again with re-oligotrophication. The allocation of phosphorus, sterols and long-chain polyunsaturated fatty acids (PUFA), such as eicosapentaenoic acid (EPA), into <i>Daphnia</i> resting eggs did not change significantly over time. Changes in trophic state strikingly influenced all trophic levels in Lake Constance. However, nutrient allocation into <i>Daphnia</i> resting eggs was mostly resilient to changes in lake trophic state. </span></span></span></span></span></span></span></span></span></span></span></p>
resting state fMRI sample dataset
<p>This is a sample dataset, uploaded primarily to test the HRF retrieval and deconvolution toolbox https://github.com/guorongwu/rsHRF</p>
fMRI free-viewing data, resting-state and structural in macaques associated with publication 'Social prediction modulates activity of macaque superior temporal cortex'
<p>Using a free-viewing and functional magnetic resonance imaging, we show that activity in a region of the macaque middle superior temporal (midSTS) cortex was specifically modulated by the predictability of social interactions. This region could be distinguished from other temporal regions involved in face processing. Using resting-state fMRI in anesthetized macaques, we showed that the connectivity between the face-responsive areas and the social prediction area was more integrated in macaques than in humans. We reproduce the social prediction results in a replication study and provide a control to rule out oculomotor implication through the FEF in the social prediction activity of the midSTS, using Transcranial Ultrasound Stimulation. Using standard geometric shape movement stimuli, we also show that macaques do not attribute mental state to shapes.</p>
The Use of Resting State, fMRI and DTI in the Identification of Chronic Pain Conditions
ClinicalTrials.gov study NCT02987933. IPD Sharing: NO. Countries: 1. Publications: 5.
Resting State Functional Connectivity in Cluster Headache
ClinicalTrials.gov study NCT06206772. IPD Sharing: Not stated. Countries: 1. Publications: 8.
Resting-state Functional Connectivity Throughout a Course of iTBS in Major Depression
ClinicalTrials.gov study NCT03944213. IPD Sharing: NO. Countries: 1. Publications: 11.
Can we Use Resting-state fMRI and CSD Fiber Tractography for Presurgical Mapping?
ClinicalTrials.gov study NCT06040580. IPD Sharing: NO. Countries: 1. Publications: 2.
A Comparison of Two Treatments for CRPS and Changes in Resting-State Connectivity of Cerebral Networks.
ClinicalTrials.gov study NCT02753335. IPD Sharing: NO. Countries: 1. Publications: 1.
Clinical Evaluation of Chronic Consciousness Disorders Using Resting-state EEG and ERP
ClinicalTrials.gov study NCT05949528. IPD Sharing: NO. Countries: 1. Publications: 0.
Efficacy of Deep-coil Based Repetitive Transcranial Magnetic Stimulation in the Treatment of Parkinson's Disease With Freezing of Gait and Its Neural Regulation Mechanism Study of Resting-state Cerebr
ClinicalTrials.gov study NCT06888778. IPD Sharing: NO. Countries: 1. Publications: 1.
Data from: Identifying the core components of emotional intelligence: evidence from amplitude of low-frequency fluctuations during resting state
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Data from: Resilience to changes in lake trophic state: nutrient allocation into Daphnia resting eggs
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Data from: Brain states govern the spatio-temporal dynamics of resting-state functional connectivity
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A dataset of long-term consistency values of resting-state fMRI connectivity maps in a single individual derived at multiple sites and vendors using the Canadian Dementia Imaging Protocol
<p>This dataset contains preprocessed resting state fMRI data (.nii.gz) with accompanying confound files (.tsv) from the Single Individual volunteer for Multiple Observations across Networks (SIMON; http://fcon_1000.projects.nitrc.org/indi/retro/SIMON.html) dataset that has been minimally preprocessed using the NeuroImaging Analysis Kit (NIAK; http://niak.simexp-lab.org/build/html/PREPROCESSING.html). Preprocessing steps included: (1) Slice timing correction; (2) Estimation of rigid-body motion in fMRI runs, both within- and between sessions; (3) Linear or non-linear coregistration of the structural scan in stereotaxic space; (4) Individual coregistration between structural and functional scans; (5) Resampling of functional scans in stereotaxic space. Confound files (.tsv) have been included for purposes of scrubbing and regression of confounds using NIAK or other analysis software, allowing for further processing without conflicts.</p>
A brief exposure to rightward prismatic adaptation changes resting-state network characteristics of the ventral attentional system
<p>A brief session of rightward prismatic adaptation (R-PA) has been shown to alleviate neglect symptoms in patients with right hemispheric damage, very likely by switching hemispheric dominance of the ventral attentional network (VAN) from the right to the left and by changing task-related activity within the dorsal attentional network (DAN). We have investigated this very rapid change in functional organisation with a network approach by comparing resting-state connectivity before and after a brief exposure i) to R-PA (14 normal subjects; experimental condition) or ii) to plain glasses (12 normal subjects; control condition). A whole brain analysis (comprising all 129 regions of interest) highlighted R-PA-induced changes within a bilateral, fronto-temporal network, which consisted of 13 nodes and 11 edges; all edges involved one of 4 frontal nodes, which were part of VAN. The analysis of network characteristics within VAN and DAN revealed a R-PA-induced decrease in connectivity strength between nodes and a decrease in local efficiency within VAN but not within DAN. These results indicate that the resting-state connectivity configuration of VAN is modulated by R-PA, possibly by decreasing its modularity.</p>
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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.