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372 results for “functional group”
Data from: Integrated analysis and visualization of group differences in structural and functional brain connectivity: applications in typical ageing and schizophrenia
Structural and functional brain connectivity are increasingly used to identify and analyze group differences in studies of brain disease. This study presents methods to analyze uni- and bi-modal brain connectivity and evaluate their ability to identify differences. Novel visualizations of significantly different connections comparing multiple metrics are presented. On the global level, "bi-modal comparison plots" show the distribution of uni- and bi-modal group differences and the relationship between structure and function. Differences between brain lobes are visualized using "worm plots". Group differences in connections are examined with an existing visualization, the "connectogram". These visualizations were evaluated in two proof-of-concept studies: (1) middle-aged versus elderly subjects; and (2) patients with schizophrenia versus controls. Each included two measures derived from diffusion weighted images and two from functional magnetic resonance images. The structural measures were minimum cost path between two anatomical regions according to the "Statistical Analysis of Minimum cost path based Structural Connectivity" method and the average fractional anisotropy along the fiber. The functional measures were Pearson's correlation and partial correlation of mean regional time series. The relationship between structure and function was similar in both studies. Uni-modal group differences varied greatly between connectivity types. Group differences were identified in both studies globally, within brain lobes and between regions. In the aging study, minimum cost path was highly effective in identifying group differences on all levels; fractional anisotropy and mean correlation showed smaller differences on the brain lobe and regional levels. In the schizophrenia study, minimum cost path and fractional anisotropy showed differences on the global level and within brain lobes; mean correlation showed small differences on the lobe level. Only fractional anisotropy and mean correlation showed regional differences. The presented visualizations were helpful in comparing and evaluating connectivity measures on multiple levels in both studies.
Aqueous phase processing affects the formation and size distribution of aerosol organic functional groups during heavy pollution
<div> <p>Data from Hefei,a major urban city in Eastern China, including chemical composition, Infrared spectrum (IR), and pollution air data.</p> </div>
Fig. 1 in Live coral predation by parrotfishes (Perciformes: Scaridae) in the Abrolhos Bank, eastern Brazil, with comments on the classification of species into functional groups
Fig. 1. Map of the Abrolhos Bank, showing study sites.
Plant litter influences the temporal stability of plant community biomass in an alpine meadow by altering the stability and asynchrony of plant functional groups
<p>The stability of a plant community is defined as its ability to resist and be resilient to changes. Plant community stability can be driven by a range of external perturbations as well as by plant community traits. Plant litter traits (species or mass) are widely recognized drivers for plant community composition and diversity changes in grasslands. Yet, the effects of litter traits on the temporal stability of plant communities in natural grasslands are largely unknown. </p> <p>In this study, a field experiment was conducted at an alpine meadow on the Qinghai Tibetan Plateau to quantify the effects of litter from <i>Elymus nutans</i>, <i>Kobresia setchwanensis</i> and <i>Ligularia virgaurea</i> on the temporal stability of plant community biomass at five different mass levels (0, 100, 200, 400 and 600 g m<sup>−2</sup>). The experiment was conducted over the period from the pre-growth to peak–growth stage between 2017 and 2019, during which temporal stability of plant community biomass was assessed in relation to plant community characteristics.</p> <p>The effects of litter on temporal stability of plant community biomass were mainly driven by the litter mass rather than the litter species. A hump-shaped relationship between litter mass and temporal stability of plant community biomass was found, with the highest stability under intermediate litter mass treatment (200 g m<sup>−2</sup>). A structural equation model identified this response was driven by the indirect effects of litter mass on the temporal stability of the biomass of the dominant (forbs) and subdominant (grasses) functional groups in the community and the asynchrony of plant functional groups.</p> <p>The results of this study demonstrate that plant litter traits are important drivers for maintaining plant community stability in natural grasslands, highlighting the importance of grassland management decisions (e.g., grazing intensity) relating to the quantity and quality of litter accumulation. </p>
Subgroup zeta functions of free nilpotent groups of class two
<p>Results of our project calculating subgroup zeta functions of free nilpotent groups of class two.</p>
Effect of Pericapsular Nerve Group Block on Postoperative Cognitive Function
ClinicalTrials.gov study NCT06736405. IPD Sharing: NO. Countries: 1. Publications: 0.
Peer Group Regulated mCIMT Program for Adult Stroke Patients: Effects on Functional Activities
ClinicalTrials.gov study NCT04264195. IPD Sharing: YES. Countries: 1. Publications: 0.
Reproducibility of Strength Testing and Functional Testing of the Hip for the Return to Sport of Patients Activated by a Femoroacetabular Impingement: Comparison Between a Group of Patients and a Grou
ClinicalTrials.gov study NCT05391204. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Group Psychoeducational Program for Mothers of Children With High Functional Pervasive Developmental Disorders
ClinicalTrials.gov study NCT01243905. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Group Recreation to Enhance Function Aging
ClinicalTrials.gov study NCT07050589. IPD Sharing: YES. Countries: 1. Publications: 0.
Evaluation Prospectively the Level of Reduction in Cognitive Functions of Cancer Patients Who Are on Active Oncology Treatments and Use Cannabis. The Second Goal is to Identify High-risk Groups for Co
ClinicalTrials.gov study NCT01983267. IPD Sharing: NO. Countries: 1. Publications: 0.
Vestibular and Postural Function in an Unselected Group of Children With Sensorineural Hearing Loss
ClinicalTrials.gov study NCT06229717. IPD Sharing: NO. Countries: 1. Publications: 0.
Effect iNO on Functional Respiratory Imaging in Subjects With WHO Group 3 Pulmonary Hypertension With COPD on Oxygen
ClinicalTrials.gov study NCT03135860. IPD Sharing: NO. Countries: 1. Publications: 0.
Effects of Individualized Physical Therapy and Group Physical Therapy on Functional Outcomes in Patients With Femoral Neck Fracture in Gaza Strip
ClinicalTrials.gov study NCT07168070. IPD Sharing: YES. Countries: 0. Publications: 0.
A Single-dose, Open-label, Parallel-group Study to Assess the Pharmacokinetics of BAF312 in Subjects With Renal Impairment Compared to Subjects With Normal Renal Function
ClinicalTrials.gov study NCT01904214. IPD Sharing: Not stated. Countries: 2. Publications: 0.
Study on the Function of Taiwan Green Propolis in Reducing Blood Lipids and Body Fat in Sub-healthy Groups: MASLD
ClinicalTrials.gov study NCT07114926. IPD Sharing: YES. Countries: 1. Publications: 0.
Pilot and Descriptive Study of the Effects of Setting up Computer-assisted Music (CAM) Remediation Groups on the Cognitive Functioning of Young Patients With a First Episode Psychosis (PEP)
ClinicalTrials.gov study NCT05880719. IPD Sharing: Not stated. Countries: 1. Publications: 0.
High-intensity Group Vocal Exercise to Improve Laryngeal Function in Patients With Parkinson Disease
ClinicalTrials.gov study NCT03263793. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Video Game-facilitated Group Activity for Quality of Life and Social Function in Chronic Schizophrenia Inpatients.
ClinicalTrials.gov study NCT07148609. IPD Sharing: NO. Countries: 1. Publications: 0.
A Prospective, Single-site, Single-group Value Study on the Diagnosis of Functional Myocardial Ischemia Based on IVUS Plaque Characteristics
ClinicalTrials.gov study NCT07176585. IPD Sharing: UNDECIDED. 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.