Results 21 to 30 of about 191,422 (338)
Dementia is a devastating age-related disorder. Its therapy would largely benefit from the identification of susceptible subjects at early, prodromal stages of the disease. To search for such prognostic markers of cognitive impairment, we studied spatial
Tim Ebert+21 more
doaj +1 more source
Whole-brain tracking of cocaine and sugar rewards processing
Natural rewards, such as food, and sex are appetitive stimuli available for animals in their natural environment. Similarly, addictive rewards such as drugs of abuse possess strong, positive valence, but their action relies on their pharmacological ...
Łukasz Bijoch+7 more
doaj +1 more source
Plasticity of intrinsic neuronal excitability [PDF]
Long-term synaptic modification is not the exclusive mode of memory storage, and persistent regulation of voltage-gated ion channels also participates in memory formation. Intrinsic plasticity is expressed in virtually all neuronal types including principal cells and interneurons.
Debanne, Dominique+2 more
openaire +4 more sources
A simplified microwave-based motion detector for home cage activity monitoring in mice
Background Locomotor activity of rodents is an important readout to assess well-being and physical health, and is pivotal for behavioral phenotyping.
Andreas Genewsky+4 more
doaj +1 more source
Plastic neural network with transmission delays promotes equivalence between function and structure [PDF]
The brain is formed by cortical regions that are associated with different cognitive functions. Neurons within the same region are more likely to connect than neurons in distinct regions, making the brain network to have characteristics of a network of subnetworks.
arxiv +1 more source
Airborne infrasound (IS; emitted by e.g., large machinery, wind farms) is ubiquitous in technologized environments. Health hazards are controversially discussed at present.
L. Ascone+4 more
doaj +1 more source
Ultrasound-(US) emitting sources are highly present in modern human environments (e.g., movement sensors, electric transformers). US affecting humans or even posing a health hazard remains understudied. Hence, ultrasonic (22.4 kHz) vs.
L. Ascone+4 more
doaj +1 more source
Error correction and fast detectors implemented by ultra-fast neuronal plasticity [PDF]
We experimentally show that the neuron functions as a precise time-integrator, where the accumulated changes in neuronal response latencies, under complex and random stimulation patterns, are solely a function of a global quantity, the average time-lag between stimulations.
arxiv +1 more source
Astrocyte control bursting mode of spiking neuron network with memristor-implemented plasticity [PDF]
A mathematical model of a spiking neuron network accompanied by astrocytes is considered. The network is composed of excitatory and inhibitory neurons with synaptic connections supplied by a memristor-based model of plasticity. Another mechanism for changing the synaptic connections involves astrocytic regulations using the concept of tripartite ...
arxiv +1 more source
Event-driven simulations of a plastic, spiking neural network [PDF]
We consider a fully-connected network of leaky integrate-and-fire neurons with spike-timing-dependent plasticity. The plasticity is controlled by a parameter representing the expected weight of a synapse between neurons that are firing randomly with the same mean frequency.
arxiv +1 more source