Results 41 to 50 of about 1,331,499 (342)

Prime numbers and spontaneous neuron activity

open access: yes, 2011
Logarithmic gaps have been used in order to find a periodic component of the sequence of prime numbers, hidden by a random noise (stochastic or chaotic).
Bershadskii, A.
core   +2 more sources

On-Off Intermittency in Time Series of Spontaneous Paroxysmal Activity in Rats with Genetic Absence Epilepsy [PDF]

open access: yes, 2006
Dynamic behavior of complex neuronal ensembles is a topic comprising a streamline of current researches worldwide. In this article we study the behavior manifested by epileptic brain, in the case of spontaneous non-convulsive paroxysmal activity.
Alexander Hramov   +10 more
core   +3 more sources

The Modified-Classroom Observation Schedule to Measure Intentional Communication (M-COSMIC): Evaluation of reliability and validity [PDF]

open access: yes, 2010
The Modified – Classroom Observation Schedule to Measure Intentional Communication (M-COSMIC) was developed as an ecologically valid measure of social-communication behaviour, delineating forms, functions, and intended partners of children’s spontaneous ...
Brown, Laura   +6 more
core   +2 more sources

Associative memory model with long-tail-distributed Hebbian synaptic connections

open access: yesFrontiers in Computational Neuroscience, 2013
The postsynaptic potentials of pyramidal neurons have a non-Gaussian amplitude distribution with a heavy tail in both hippocampus and neocortex. Such distributions of synaptic weights were recently shown to generate spontaneous internal noise optimal ...
Naoki eHiratani   +6 more
doaj   +1 more source

Convulsant actions of 4-aminopyridine on the guinea-pig olfactory cortex slice [PDF]

open access: yes, 1982
The effects of bath-applied 4-aminopyridine on neurones and extracellular potassium and calcium concentrations were recorded in slices of guinea-pig olfactory cortex. Neurones were orthodromically activated by stimulating the lateral olfactory tract.
Baranyi   +47 more
core   +1 more source

Rhythmic Spontaneous Activity in the Piriform Cortex [PDF]

open access: yesCerebral Cortex, 2007
Slow spontaneous rhythmic activity is generated and propagates in neocortical slices when bathed in an artificial cerebrospinal fluid with ionic concentrations similar to the ones in vivo. This activity is extraordinarily similar to the activation of the cortex in physiological conditions (e.g., slow-wave sleep), thus representing a unique in vitro ...
Sánchez-Vives, María V.   +5 more
openaire   +3 more sources

Accelerated Development of the First-Order Central Auditory Neurons With Spontaneous Activity

open access: yesFrontiers in Molecular Neuroscience, 2018
In developing sensory systems, elaborate morphological connectivity between peripheral cells and first-order central neurons emerges via genetic programming before the onset of sensory activities.
Xin-Lu Yin   +10 more
doaj   +1 more source

Critical phenomena and noise-induced phase transitions in neuronal networks [PDF]

open access: yes, 2013
We study numerically and analytically first- and second-order phase transitions in neuronal networks stimulated by shot noise (a flow of random spikes bombarding neurons).
Goltsev, A. V.   +3 more
core   +3 more sources

Effects of antibodies against tubulin on the movement of reactivated sea urchin sperm flagella [PDF]

open access: yes, 1980
Antibodies binding to sea urchin flagellar outer-doublet tubulin have been isolated from rabbit sera by tubulin-affinity chromatography employing electrophoretically purified tubulin as the immobilized substrate.
Asai, David J., Brokaw, Charles J.
core   +1 more source

Germline TP53 Mutations Causing Diamond–Blackfan Anemia: A French Report

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Diamond–Blackfan anemia is a rare congenital erythroblastopenia typically caused by mutations in ribosomal protein genes. Recently, gain‐of‐function mutations in TP53 have been identified as a novel cause of Diamond–Blackfan anemia. We report two French patients who both harbored a heterozygous TP53 deletion (NM_000546.5: c.1077delA; p ...
Rafael Moisan   +6 more
wiley   +1 more source

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