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153 results for “brain connectivity”
[Dataset] enhanced functional connectivity properties of human brains during in-situ nature experience
<p>Raw data</p> <p>Artifact-free EEG raw data recorded by Emotiv Epoc (sample rate 128/s, 14 channels).</p>
Functional and structural computed connectivity profiles for pre-defined whole-brain and cortical hull maps
<p>This Repository holds Lead-DBS Lead-Mapper v.2.5.2 computed functional and structural estimated connectivity. The structural dMRI connectivity is computed based on the "HCP1000 6K" connecome and the fMRI connectivity "GSP 1000 Yeo 2011" connectome.</p> <p>Both connectivity metrices were computed using two pre-defined grids:</p> <ol> <li> Cortical hull (1025 points). The grid was estimated based on the <a href="https:/github.com/neuromodulation/py_neuromodulation/blob/main/py_neuromodulation/ConnectivityDecoding/_get_grid_hull.m">SPM cortex_20484 grid</a> and subsampled by every 20th point. The grid is saved as a <a href="(https:/github.com/neuromodulation/py_neuromodulation/blob/main/py_neuromodulation/ConnectivityDecoding/mni_coords_cortical_surface.mat)">.mat file</a> and can be acessed through the main repository .</li> <li>Whole-brain (1236 points). Given the Lead-DBS provided <a href="https://github.com/neuromodulation/py_neuromodulation/blob/main/py_neuromodulation/ConnectivityDecoding/Automated%20Anatomical%20Labeling%203%20(Rolls%202020).nii">AAL3 atlas</a> the whole-brain .nii grid is subsampled by a factor of 150. See here the <a href="https://github.com/neuromodulation/py_neuromodulation/blob/main/py_neuromodulation/ConnectivityDecoding/_get_grid_whole_brain.py">grid computation</a>.</li> </ol> <p>Both grids can be accessed trough the <a href="https://github.com/neuromodulation/py_neuromodulation/tree/main">py_neuromodulation</a> API using the <a href="https://github.com/neuromodulation/py_neuromodulation/blob/main/py_neuromodulation/nm_RMAP.py">nm_RMAP.py</a> module.</p>
Data from: Decreased brain connectivity in smoking contrasts with increased connectivity in drinking
In a group of 831 participants from the general population in the Human Connectome Project, smokers exhibited low overall functional connectivity, and more specifically of the lateral orbitofrontal cortex which is associated with non-reward mechanisms, the adjacent inferior frontal gyrus, and the precuneus. Participants who drank a high amount had overall increases in resting state functional connectivity, and specific increases in reward-related systems including the medial orbitofrontal cortex and the cingulate cortex. Increased impulsivity was found in smokers, associated with decreased functional connectivity of the non-reward-related lateral orbitofrontal cortex; and increased impulsivity was found in high amount drinkers, associated with increased functional connectivity of the reward-related medial orbitofrontal cortex. The main findings were cross-validated in an independent longitudinal dataset with 1176 participants, IMAGEN. Further, the functional connectivities in 14-year-old non-smokers (and also in female low-drinkers) were related to who would smoke or drink at age 19. An implication is that these differences in brain functional connectivities play a role in smoking and drinking, together with other factors.
Neural Dynamics and Connectivity in Response Inhibition and Traumatic Brain Injury
ClinicalTrials.gov study NCT01194661. IPD Sharing: Not stated. Countries: 1. Publications: 3.
tDCS Effects on GABA Concentration and Brain Functional Connectivity in Older Adults of Retirement Age
ClinicalTrials.gov study NCT02794259. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Imaging of Brain Structural/Functional Connectivity and Amyloid and Tau Lesions in APOE4 Carriers.
ClinicalTrials.gov study NCT03816228. IPD Sharing: NO. Countries: 1. Publications: 3.
Longitudinal Study of the Default-mode Network Connectivity in Brain Injured Patients Recovering From Coma
ClinicalTrials.gov study NCT01620957. IPD Sharing: Not stated. Countries: 1. Publications: 2.
The Influence of in Utero Cannabis Exposure on Neonatal Brain Morphology and Structural Connectivity
ClinicalTrials.gov study NCT03718520. IPD Sharing: NO. Countries: 1. Publications: 0.
Bridging Brain Structure and Function by Correlating Structural Connectivity, Cortico-Cortical Transmission and Direct Electro-Stimulation
ClinicalTrials.gov study NCT03503110. IPD Sharing: NO. Countries: 1. Publications: 6.
Glutamate, Brain Connectivity and Duration of Untreated Psychosis
ClinicalTrials.gov study NCT02034253. IPD Sharing: Not stated. Countries: 1. Publications: 5.
Psychostimulants Effects on Brain Functional Connectivity in Youth With Attention Deficit Hyperactivity Disorder
ClinicalTrials.gov study NCT02318017. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Neurobehavior and Brain Connectivity in Post COVID-19 Patients
ClinicalTrials.gov study NCT05307575. IPD Sharing: NO. Countries: 1. Publications: 5.
Effects of Telerehabilitation on Brain Network Connectivity
ClinicalTrials.gov study NCT06278818. IPD Sharing: YES. Countries: 1. Publications: 15.
Developmental Trajectory of Brain Structural Connectivity and Cognitive Function From Childhood to Adulthood
ClinicalTrials.gov study NCT01677793. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Brain Connections for Arm Movement After Stroke
ClinicalTrials.gov study NCT04286516. IPD Sharing: NO. Countries: 1. Publications: 13.
Longitudinal Changes of Brain Functional Connectivity in Migraine
ClinicalTrials.gov study NCT03487978. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Functional Connectivity Measurement After Severe Traumatic Brain Injury
ClinicalTrials.gov study NCT02647996. IPD Sharing: Not stated. Countries: 1. Publications: 2.
MEG and DTI of Neural Function and Connectivity in Traumatic Brain Injury
ClinicalTrials.gov study NCT01298557. IPD Sharing: Not stated. Countries: 1. Publications: 5.
tDCS Effects on GABA Concentration and Brain Functional Connectivity in Older Adults Of Working Age
ClinicalTrials.gov study NCT02794272. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Elucidating the Temporality of Structural and Functional Connectivity Changes in Essential Tremor After Successful Deep Brain Stimulation to the Dentato-rubro-thalamic Tract
ClinicalTrials.gov study NCT04758624. IPD Sharing: NO. Countries: 1. Publications: 1.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.