bonndata (Rheinische Friedrich-Wilhelms-Universität Bonn)
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194 research outputs found
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Phase of firing does not reflect temporal order in sequence memory of humans and recurrent neural networks
No full textThe temporal order of a sequence of events has been thought to be reflected in the ordered firing of neurons at different phases of theta oscillations. Here we assess this by measuring single neuron activity (1,420 neurons) and local field potentials (921 channels) in the medial temporal lobe of 16 patients with epilepsy performing a working-memory task for temporal order. During memory maintenance, we observe theta oscillations, preferential firing of single neurons to theta phase and a close relationship between phase of firing and item position. However, the firing order did not match item order. Training recurrent neural networks to perform an analogous task, we also show the generation of theta oscillations, theta phase-dependent firing related to item position and, again, no match between firing and item order. Rather, our results suggest a mechanistic link between phase order, stimulus timing and oscillation frequency. In both biological and artificial neural networks, we provide evidence supporting the role of phase of firing in working-memory processing
Hydrological modelling datasets for streamflow modelling at the basin scale basins in Nigeria
No full textThis dataset contains observed river discharge time series with the mesoscale Hydrologic Model (mHM). The data support hydrological simulations, calibration, and validation aimed at evaluating streamflow dynamics in data-sparse basins.
Daily discharge records were collected for four basins in Northern Nigeria: Oroo, Jamaare, Hadejia, and Kaduna. The dataset covers the period from January 1, 1983, to December 31, 2011. The data were processed using R (statistical computing environment) and QGIS (Geographic Information System) to ensure accuracy and spatial referencing, and hydrologic modelling was performed using the mesoscale Hydrologic Model (mHM).
This dataset was produced as a research project focused on understanding hydrological processes in data-scarce basins in Nigeria. The primary language of the documentation and associated metadata is English.This dataset contains observed river discharge time series with the mesoscale Hydrologic Model (mHM). The data support hydrological simulations, calibration, and validation aimed at evaluating streamflow dynamics in data-sparse basins.
Daily discharge records were collected for four basins in Northern Nigeria: Oroo, Jamaare, Hadejia, and Kaduna. The dataset covers the period from January 1, 1983, to December 31, 2011. The data were processed using R (statistical computing environment) and QGIS (Geographic Information System) to ensure accuracy and spatial referencing, and hydrologic modelling was performed using the mesoscale Hydrologic Model (mHM).
This dataset was produced as a research project focused on understanding hydrological processes in data-scarce basins in Nigeria. The primary language of the documentation and associated metadata is English
Supplementary data to Evolutionary Dynamics of the Proanthocyanidin Biosynthesis Gene LAR
No full textThis dataset contains supplementary files associated with the manuscript "Evolutionary Dynamics of the Proanthocyanidin Biosynthesis Gene LAR", which investigates the evolutionary divergence, sequence variation, promoter motif composition, and coexpression patterns of LAR1 and LAR2 genes across multiple plant lineages. Supplementary materials include statistical analysis outputs, gene expression data, polypeptide sequences, sequence conservation values, cis-regulatory element data, BAM files with aligned RNA-seq reads around the LAR1 and LAR2 loci, and synteny results
Supplementary data for "Inclusive semileptonic decays of the Ds meson"
No full textHere we supplement the bootstrapsamples of the stability analyses done in the papers arXiv:2504.06063 and arXiv:2504.06064.
In the papers, we present the results of a first-principles theoretical study of the inclusive semileptonic decays of the Ds meson. We performed a state-of-the-art lattice QCD calculation using the gauge ensembles produced by the Extended Twisted Mass Collaboration (ETMC) with dynamical light, strange and charm quarks with physical masses and employed the so-called Hansen-Lupo-Tantalo (HLT) method to extract the decay rate and the first two lepton-energy moments from the relevant Euclidean correlators. We have carefully taken into account all sources of systematic errors, including the ones associated with the continuum and infinite-volume extrapolations and with the HLT spectral reconstruction method. We obtained results in very good agreement with the currently available experimental determinations and with a total accuracy at the few-percent level, of the same order of magnitude of the experimental error.
Our total error is dominated by the lattice QCD simulations statistical uncertainties and is certainly improvable. From the results presented and thoroughly discussed in the papers we conclude that it is nowadays possible to study heavy mesons inclusive semileptonic decays on the lattice at a phenomenologically relevant level of accuracy
Supplementary information: Hordeum erectifolium, a physiological and genomic study of drought-adaptive traits
No full textSupplementary data tables the dissertation titled: "Hordeum erectifolium, a physiological and genomic study of drought-adaptive traits" published at the ULB. The tables contain metrics, statistics, quality data and analysis of the sequencing data, genome, gene annotations along with other metrics. There are also analysis outputs of gene family expansions and gene expression data
The Diagonal Band of Broca Regulates Olfactory-mediated Social Behaviors: A Study Using USVs As Unbiased, Ethological Markers For Social Interactions
No full textThe Horizontal Diagonal Band of Broca (HDB) modulates olfactory information processing by recruiting olfactory bulb (OB) interneurons to shape excitatory OB output. Here, we show that OB is strongly and differentially innervated by HDB projections. Light-induced silencing of HDB afferents in the OB via OPN3 affected olfactory-mediated social habituation and discrimination behaviors, as shown by manual annotation of investigative behavior.
Additionally, we established ultrasonic vocalizations (USVs) as an unbiased, reliable, and ethologically relevant biomarker for quantifying investigative social behavior. To this end, we employed "DeepFisFis," an AI-based solution, developed in our lab for detection of mouse USVs.
Collectively, our studies demonstrate that USVs serve as an effective biomarker for investigative social behavior. Furthermore, our results highlight the HDB as a crucial top-down relay in the modulation of olfactory-mediated social behaviors
REDIRE: the database on recorded sound propaganda of the Italian Fascist Regime (1922-1943)
No full textThe first political regime to be designated as totalitarian, Italian fascism (1922-1943) deployed intense propaganda, whose use of the press, radio, and cinema has already been extensively studied. However, another of its tools has been overlooked: the phonograph record, which nevertheless played a key role in disseminating fascist policies and imagination. Situated at the intersection of history, sound studies, and media studies, the Marie Skłodowska-Curie Action REDIRE (Recorded Sound Propaganda of the Italian Fascist Regime) has pioneered the study of phonography, sound, and propaganda through the Fascist era. This innovative research has revealed the political role of phonography in Fascist Italy by tracing its production, describing its uses as a means of propaganda, and analyzing how the imagery of recorded sound and music was intertwined with Fascist imagery to promote the regime.
Based at the University of Bonn, REDIRE benefited from a training and archival research focus secondment at the University of Cagliari and from the expertise of leading researchers in sound studies, media studies, history, and musicology.
Four research and innovation objectives (ROs) have been pursued.
RO1. Establish an online and open access database of discs (metadata plus short descriptions of discs' uses) employed for propaganda by the Fascist regime by examining disc catalogs, press and State archives.
RO2. Analyze the conception, realization and effects of Fascist recorded sound propaganda to inform its political Imaginary.
RO3. Determine how and why the capacities of discs to store, reproduce and amplify sound are exploited by fascist propaganda.
RO4. Understand better the political functioning of technicized sound in a totalitarian regime by comparing the recorded sound propaganda of Fascist Italy to those practiced in Nazi Germany and interwar democratic France.
REDIRE also highlighted the more general strategic role of sound in the representation, and the realization, of the Italian fascist regime, showing how it had been used to support colonialism, aestheticize and territorialize the fascist imagination, exercise and strengthen the regime's hold over the Italian masses
Supplementary Data to the study on Candidate gene prediction for drought adaptation in Brassicaceae species
No full textContains the raw results of the gene family prediction and their differential expression under drought in the Brassicaceae species Eutrema salsugineum, Arabidopsis lyrata, Arabidopsis thaliana and Brassica napus, including phylogenetic trees for expanded gene families. It contains a table of all Conserved gene families with their respective genes. It also contains the raw results from the prediction of diversifying selection in all gene families
Implementation of Finite Element Approximation of Large-Scale Isometric Deformations of Parametrized Surfaces
No full textThis is an implementation of the finite element approximation of large-scale isometric deformations of parametrized surfaces using the Discrete Kirchhoff Triangle (DKT) Finite Element, together with a point-wise nonlinear isometry constraint. The solution of this nonlinear problem is obtained by Newton's method from the IPOPT library
Large Benchmarks for the Minimum-Cost Flow Problem
No full textMinimum cost flow instance generated at the Research Institute for
Discrete Mathematics, University of Bonn.
Contact: Stephan Held ([email protected])
These instances arise in VLSI placement legalization (LEGALIZATION
subdir) or as linear relaxation of the discrete time-cost tradeoff
problem used for voltage threshold assignment (TCT subdir).
The LEGALIZATION instances are significantly harder to solve than the
TCT instances.
All instances are provided in the DIMACS networks format that is specified here:
http://archive.dimacs.rutgers.edu/Challenges/
http://archive.dimacs.rutgers.edu/pub/netflow/general-info/specs.te