Results 51 to 60 of about 1,018,658 (375)
Alterations in brain connectivity due to plasticity and synaptic delay
Brain plasticity refers to brain's ability to change neuronal connections, as a result of environmental stimuli, new experiences, or damage. In this work, we study the effects of the synaptic delay on both the coupling strengths and synchronisation in a ...
Batista, A. M. +8 more
core +1 more source
Neuronal avalanches of a self-organized neural network with active-neuron-dominant structure [PDF]
Neuronal avalanche is a spontaneous neuronal activity which obeys a power-law distribution of population event sizes with an exponent of -3/2. It has been observed in the superficial layers of cortex both \emph{in vivo} and \emph{in vitro}. In this paper
Beggs J. +3 more
core +2 more sources
Fractal analyses of networks of integrate-and-fire stochastic spiking neurons
Although there is increasing evidence of criticality in the brain, the processes that guide neuronal networks to reach or maintain criticality remain unclear.
Amon, Mary Jean +3 more
core +1 more source
A geographically distributed bio-hybrid neural network with memristive plasticity [PDF]
Throughout evolution the brain has mastered the art of processing real-world inputs through networks of interlinked spiking neurons. Synapses have emerged as key elements that, owing to their plasticity, are merging neuron-to-neuron signalling with ...
Corna, Andrea +10 more
core +1 more source
Reactive oxygen species regulate activity-dependent neuronal plasticity in Drosophila
Reactive oxygen species (ROS) have been extensively studied as damaging agents associated with ageing and neurodegenerative conditions. Their role in the nervous system under non-pathological conditions has remained poorly understood.
Matthew C. W. Oswald +9 more
semanticscholar +1 more source
Melatonin Reduces NLRP3 Inflammasome Activation by Increasing α7 nAChR-Mediated Autophagic Flux
Microglia controls the immune system response in the brain. Specifically, the activation and dysregulation of the NLRP3 inflammasome is responsible for the initiation of the inflammatory process through IL-1β and IL-18 release.
Víctor Farré-Alins +13 more
doaj +1 more source
Huntington’s disease (HD) is a hereditary neurodegenerative disorder caused by the expression of mutant huntingtin (mHtt). One of the main features of HD is the degeneration of the striatum that leads to motor discoordination. Pituitary adenylate cyclase-
Irene Solés-Tarrés +11 more
doaj +1 more source
Neuronal plasticity and neurotrophic factors in drug responses
Neurotrophic factors, particularly brain-derived neurotrophic factor (BDNF) and other members of the neurotrophin family, are central mediators of the activity-dependent plasticity through which environmental experiences, such as sensory information are ...
E. Castrén, H. Antila
semanticscholar +1 more source
Critical neural networks with short and long term plasticity
In recent years self organised critical neuronal models have provided insights regarding the origin of the experimentally observed avalanching behaviour of neuronal systems.
de Arcangelis, L. +3 more
core +2 more sources
THE FUNDAMENTS OF NEURONAL PLASTICITY
Plasticity of the nervous system is determined by the modification of efficacy of synaptic transmission: long- term potentiation and long- term depression. Different modern technical approaches such as: registration of ionic currents in single neuron, molecular- genetic analysis, neurovisualization, and others reveal the molecular mechanisms of ...
M. B. Shtark, V. G. Skrebitskii
openaire +3 more sources

