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The Accuracy of Cardiac Surface Conduction Velocity Measurements.
JACC Clin Electrophysiol
December 2024
The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Ontario, Canada.
Background: Conduction velocity (CV) is a measure of the health of myocardial tissue. It can be measured by taking differences in local activation times from intracardiac electrodes. Several factors introduce error into the measurement, among which ignoring the 3-dimensional aspect is a major detriment.
View Article and Find Full Text PDFJoint action partners modulate the first step of an action sequence to communicate a distal goal.
Acta Psychol (Amst)
January 2025
Department of Linguistics, Cognitive Science, and Semiotics, Aarhus University, Jens Chr. Skous Vej 2, 1485-638 Aarhus, Denmark; Interacting Minds Centre, Aarhus University, Jens Chr. Skous Vej 2, 1485-638 Aarhus, Denmark. Electronic address:
When two co-actors perform a joint action, they often communicatively modulate their instrumental actions so as to facilitate each other's predictions of their immediate, proximal goals. Here, we ask whether co-actors would also engage in such "sensorimotor communication" for distal goals, specifically those that result from a two-step action sequence. To address this question, we asked pairs of participants to work together to deliver an animated box to one of two delivery locations displayed on a computer screen.
View Article and Find Full Text PDFComplexity and recurrence of body surface electrocardiograms correlate with estimated reentrant atrial activity using electrocardiographic imaging in atrial fibrillation patients.
BMC Cardiovasc Disord
January 2025
ITACA Institute, Universitat Politècnica de València, València, Spain.
Background: Complexity and signal recurrence metrics obtained from body surface potential mapping (BSPM) allow quantifying atrial fibrillation (AF) substrate complexity. This study aims to correlate electrocardiographic imaging (ECGI) detected reentrant patterns with BSPM-calculated signal complexity and recurrence metrics.
Methods: BSPM signals were recorded from 28 AF patients (17 male, 11 women, 62.
In a genome-wide association study (GWAS) meta-analysis of 688,808 individuals with major depression (MD) and 4,364,225 controls from 29 countries across diverse and admixed ancestries, we identify 697 associations at 635 loci, 293 of which are novel. Using fine-mapping and functional tools, we find 308 high-confidence gene associations and enrichment of postsynaptic density and receptor clustering. A neural cell-type enrichment analysis utilizing single-cell data implicates excitatory, inhibitory, and medium spiny neurons and the involvement of amygdala neurons in both mouse and human single-cell analyses.
View Article and Find Full Text PDFGenomic and cellular responses to aspirin in colonic organoids from African- and European-Americans.
Physiol Genomics
January 2025
Section of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Chicago, Chicago, Illinois.
Aspirin (ASA) is a proven chemoprotective agent for colorectal cancer (CRC), though inter-individual responses and cellular mechanisms are not well characterized. Human organoids are ideal to study treatment responses across individuals. Here, colonic organoids from African-Americans (AA) and European-Americans (EA)were used to profile genomic and cellular ASA responses.
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