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View article: Energy constraints determine the selection of reaching movement trajectories in macaque monkeys
Energy constraints determine the selection of reaching movement trajectories in macaque monkeys Open
Reaching movements, while seemingly simple, involve complex motor control mechanisms that select specific trajectories from infinite possibilities. Despite the inherent variability in volitional movements, both humans and monkeys frequentl…
View article: Synchronization and semantization in deep spiking networks
Synchronization and semantization in deep spiking networks Open
Recent studies have shown how spiking networks can learn complex functionality through error-correcting plasticity, but the resulting structures and dynamics remain poorly studied. To elucidate how these models may link to observed dynamic…
View article: Improving data sharing and knowledge transfer via the Neuroelectrophysiology Analysis Ontology (NEAO)
Improving data sharing and knowledge transfer via the Neuroelectrophysiology Analysis Ontology (NEAO) Open
Describing the analysis of data from electrophysiology experiments investigating the function of neural systems is challenging. On the one hand, data can be analyzed by distinct methods with similar purposes, such as different algorithms t…
View article: Spontaneous spiking statistics form unique area-specific fingerprints and reflect the hierarchy of cerebral cortex
Spontaneous spiking statistics form unique area-specific fingerprints and reflect the hierarchy of cerebral cortex Open
The cerebral cortex is hierarchically organised from sensory to higher cognitive areas 1–4 . Several dynamical 5–8 and anatomical 1–4,8 measures, such as timescales and neurotransmitter receptor expression, have independently been linked t…
View article: Assessing the Similarity of Real Matrices with Arbitrary Shape
Assessing the Similarity of Real Matrices with Arbitrary Shape Open
Assessing the similarity of matrices is valuable for analyzing the extent to which data sets exhibit common features in tasks such as data clustering, dimensionality reduction, pattern recognition, group comparison, and graph analysis. Met…
View article: Neural manifolds in V1 change with top-down signals from V4 targeting the foveal region
Neural manifolds in V1 change with top-down signals from V4 targeting the foveal region Open
High-dimensional brain activity is often organized into lower-dimensional neural manifolds. However, the neural manifolds of the visual cortex remain understudied. Here, we study large-scale multi-electrode electrophysiological recordings …
View article: Facilitating the Sharing of Electrophysiology Data Analysis Results Through In-Depth Provenance Capture
Facilitating the Sharing of Electrophysiology Data Analysis Results Through In-Depth Provenance Capture Open
Scientific research demands reproducibility and transparency, particularly in data-intensive fields like electrophysiology. Electrophysiology data are typically analyzed using scripts that generate output files, including figures. Handling…
View article: Assessing the similarity of real matrices with arbitrary shape
Assessing the similarity of real matrices with arbitrary shape Open
Assessing the similarity of matrices is valuable for analyzing the extent to which data sets exhibit common features in tasks such as data clustering, dimensionality reduction, pattern recognition, group comparison, and graph analysis. Met…
View article: A modular and adaptable analysis pipeline to compare slow cerebral rhythms across heterogeneous datasets
A modular and adaptable analysis pipeline to compare slow cerebral rhythms across heterogeneous datasets Open
Neuroscience is moving towards a more integrative discipline, where understanding brain function requires consolidating the accumulated evidence seen across experiments, species, and measurement techniques. A remaining challenge on that pa…
View article: Detection and Removal of Hyper-synchronous Artifacts in Massively Parallel Spike Recordings
Detection and Removal of Hyper-synchronous Artifacts in Massively Parallel Spike Recordings Open
Current electrophysiology experiments often involve massively parallel recordings of neuronal activity using multi-electrode arrays. While researchers have been aware of artifacts arising from electric cross-talk between channels in setups…
View article: A modular and adaptable analysis pipeline to compare slow cerebral rhythms across heterogeneous datasets
A modular and adaptable analysis pipeline to compare slow cerebral rhythms across heterogeneous datasets Open
Neuroscience is moving toward a more integrative discipline where understanding brain function requires consolidating the accumulated evidence seen across experiments, species, and measurement techniques. A remaining challenge on that path…
View article: Non-instructed Motor Skill Learning in Monkeys: Insights from Deep Reinforcement Learning Models
Non-instructed Motor Skill Learning in Monkeys: Insights from Deep Reinforcement Learning Models Open
In the field of motor learning, few studies have addressed the case of non-instructed movement sequences learning, as they require long periods of training and data acquisition, and are complex to interpret. In contrast, such problems are …
View article: Facilitating the sharing of electrophysiology data analysis results through in-depth provenance capture
Facilitating the sharing of electrophysiology data analysis results through in-depth provenance capture Open
Scientific research demands reproducibility and transparency, particularly in data-intensive fields like electrophysiology. Electrophysiology data is typically analyzed using scripts that generate output files, including figures. Handling …
View article: Neuronal Population Activity in Macaque Visual Cortices Dynamically Changes through Repeated Fixations in Active Free Viewing
Neuronal Population Activity in Macaque Visual Cortices Dynamically Changes through Repeated Fixations in Active Free Viewing Open
During free viewing, we move our eyes and fixate on objects to recognize the visual scene of our surroundings. To investigate the neural representation of objects in this process, we studied individual and population neuronal activity in t…
View article: Neural manifolds in V1 change with top-down signals from V4 targeting the foveal region
Neural manifolds in V1 change with top-down signals from V4 targeting the foveal region Open
High-dimensional brain activity is often organized into lower-dimensional neural manifolds. However, the neural manifolds of the visual cortex remain understudied. Here, we study large-scale multielectrode electrophysiological recordings o…
View article: Research Data Management and Data Sharing for Reproducible Research—Results of a Community Survey of the German National Research Data Infrastructure Initiative Neuroscience
Research Data Management and Data Sharing for Reproducible Research—Results of a Community Survey of the German National Research Data Infrastructure Initiative Neuroscience Open
Science is changing: the volume and complexity of data are increasing, the number of studies is growing and the goal of achieving reproducible results requires new solutions for scientific data management. In the field of neuroscience, the…
View article: Evaluating the statistical similarity of neural network activity and connectivity via eigenvector angles
Evaluating the statistical similarity of neural network activity and connectivity via eigenvector angles Open
Neural systems are networks, and strategic comparisons between multiple networks are a prevalent task in many research scenarios. In this study, we construct a statistical test for the comparison of matrices representing pairwise aspects o…
View article: Evaluating the statistical similarity of neural network activity and connectivity via eigenvector angles
Evaluating the statistical similarity of neural network activity and connectivity via eigenvector angles Open
Neural systems are networks, and strategic comparisons between multiple networks are a prevalent task in many research scenarios. In this study, we construct a statistical test for the comparison of matrices representing pairwise aspects o…
View article: Model of multiple synfire chains explains cortical spatio-temporal spike patterns
Model of multiple synfire chains explains cortical spatio-temporal spike patterns Open
It has been postulated that information processing in the brain is based on precise temporal correlation of neural activity across populations of neurons. In a recent study we found spatio-temporal spike patterns in experimental recordings…
View article: Comparing Surrogates to Evaluate Precisely Timed Higher-Order Spike Correlations
Comparing Surrogates to Evaluate Precisely Timed Higher-Order Spike Correlations Open
The generation of surrogate data, i.e., the modification of data to destroy a certain feature, can be considered as the implementation of a null-hypothesis whenever an analytical approach is not feasible. Thus, surrogate data generation ha…
View article: Overcoming the Reproducibility Crisis - Results of the first Community Survey of the German National Research Data Infrastructure for Neuroscience
Overcoming the Reproducibility Crisis - Results of the first Community Survey of the German National Research Data Infrastructure for Neuroscience Open
The lack of reproducibility of research results is a serious problem – known as “the reproducibility crisis”. The German National Research Data Infrastructure (NFDI) initiative implemented by the German Research Foundation (DFG) aims to he…
View article: Latency shortening with enhanced sparseness and responsiveness in V1 during active visual sensing
Latency shortening with enhanced sparseness and responsiveness in V1 during active visual sensing Open
In natural vision, neuronal responses to visual stimuli occur due to self-initiated eye movements. Here, we compare single-unit activity in the primary visual cortex (V1) of non-human primates to flashed natural scenes (passive vision cond…
View article: Revealing Whole-Brain Causality Networks During Guided Visual Searching
Revealing Whole-Brain Causality Networks During Guided Visual Searching Open
In our daily lives, we use eye movements to actively sample visual information from our environment (“active vision”). However, little is known about how the underlying mechanisms are affected by goal-directed behavior. In a study of 31 pa…
View article: Global organization of neuronal activity only requires unstructured local connectivity
Global organization of neuronal activity only requires unstructured local connectivity Open
Modern electrophysiological recordings simultaneously capture single-unit spiking activities of hundreds of neurons spread across large cortical distances. Yet, this parallel activity is often confined to relatively low-dimensional manifol…
View article: Comparing surrogates to evaluate precisely timed higher-order spike correlations
Comparing surrogates to evaluate precisely timed higher-order spike correlations Open
The generation of surrogate data, i.e., the modification of original data to destroy a certain feature, is used for the implementation of a null-hypothesis whenever an analytical approach is not feasible. Thus, surrogate data generation ha…
View article: Reproducibility and efficiency in handling complex neurophysiological data
Reproducibility and efficiency in handling complex neurophysiological data Open
Preparing a neurophysiological data set with the aim of sharing and publishing is hard. Many of the available tools and services to provide a smooth workflow for data publication are still in their maturing stages and not well integrated. …