Results 31 to 40 of about 80,677 (298)

Boltzmann and hydrodynamic description for self-propelled particles

open access: yes, 2006
We study analytically the emergence of spontaneous collective motion within large bidimensional groups of self-propelled particles with noisy local interactions, a schematic model for assemblies of biological organisms.
Eric Bertin   +4 more
core   +4 more sources

Self-organization on surfaces: foreword [PDF]

open access: yes, 2005
After decades of work, the growth of continuous thin films, i.e., two-dimensional structures, is progressively becoming a technological issue more than a field of fundamental research.
Arakawa   +49 more
core   +3 more sources

A Role for Correlated Spontaneous Activity in the Assembly of Neural Circuits [PDF]

open access: yesNeuron, 2013
Before the onset of sensory transduction, developing neural circuits spontaneously generate correlated activity in distinct spatial and temporal patterns. During this period of patterned activity, sensory maps develop and initial coarse connections are refined, which are critical steps in the establishment of adult neural circuits. Over the last decade,
Kirkby, Lowry A   +3 more
openaire   +5 more sources

Dopamine-modulated dynamic cell assemblies generated by the GABAergic striatal microcircuit [PDF]

open access: yes, 2009
The striatum, the principal input structure of the basal ganglia, is crucial to both motor control and learning. It receives convergent input from all over the neocortex, hippocampal formation, amygdala and thalamus, and is the primary recipient of ...
Alexander   +92 more
core   +1 more source

Bayesian inference of neuronal assemblies.

open access: yesPLoS Computational Biology, 2019
In many areas of the brain, both spontaneous and stimulus-evoked activity can manifest as synchronous activation of neuronal assemblies. The characterization of assembly structure and dynamics provides important insights into how brain computations are ...
Giovanni Diana   +2 more
doaj   +1 more source

Bridging Single Neuron Dynamics to Global Brain States

open access: yesFrontiers in Systems Neuroscience, 2019
Biological neural networks produce information backgrounds of multi-scale spontaneous activity that become more complex in brain states displaying higher capacities for cognition, for instance, attentive awake versus asleep or anesthetized states.
Jennifer S. Goldman   +9 more
doaj   +1 more source

Temperature-tuning of near-infrared monodisperse quantum dot solids at 1.5 um for controllable Forster energy transfer [PDF]

open access: yes, 2008
We present the first time-resolved cryogenic observations of Forster energy transfer in large, monodisperse lead sulphide quantum dots with ground state transitions near 1.5 um (0.83 eV), in environments from 160 K to room temperature.
Bose, Ranojoy   +7 more
core   +1 more source

Winter Cherry Mall Fire: A Constitutional Lesson Unlearned?

open access: yesВестник Кемеровского государственного университета. Серия: гуманитарные и общественные науки
The tragedy at the Winter Cherry (Zimnaya Vishnya) Shopping Center, also known in mass media as the 2018 Kemerovo Fire, broke out on March 27, 2018, and took lives of 60 people.
Alexander V. Salenko
doaj   +1 more source

Development of Neutron Energy Spectral Signatures for Passive Monitoring of Spent Nuclear Fuels in Dry Cask Storage

open access: yesEPJ Web of Conferences, 2018
Demand for spent nuclear fuel dry casks as an interim storage solution has increased globally and the IAEA has expressed a need for robust safeguards and verification technologies for ensuring the continuity of knowledge and the integrity of radioactive ...
Harkness Ira   +5 more
doaj   +1 more source

Neuronal functional connection graphs among multiple areas of the rat somatosensory system during spontaneous and evoked activities. [PDF]

open access: yesPLoS Computational Biology, 2013
Small-World Networks (SWNs) represent a fundamental model for the comprehension of many complex man-made and biological networks. In the central nervous system, SWN models have been shown to fit well both anatomical and functional maps at the macroscopic
Antonio G Zippo   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy