Results 21 to 30 of about 591,136 (270)

Cdk5 Is Essential for Amphetamine to Increase Dendritic Spine Density in Hippocampal Pyramidal Neurons

open access: yesFrontiers in Cellular Neuroscience, 2017
Psychostimulant drugs of abuse increase dendritic spine density in reward centers of the brain. However, little is known about their effects in the hippocampus, where activity-dependent changes in the density of dendritic spine are associated with ...
Soledad Ferreras   +13 more
doaj   +1 more source

Combined role of seizure-induced dendritic morphology alterations and spine loss in newborn granule cells with mossy fiber sprouting on the hyperexcitability of a computer model of the dentate gyrus. [PDF]

open access: yesPLoS Computational Biology, 2014
Temporal lobe epilepsy strongly affects hippocampal dentate gyrus granule cells morphology. These cells exhibit seizure-induced anatomical alterations including mossy fiber sprouting, changes in the apical and basal dendritic tree and suffer substantial ...
Julian Tejada   +2 more
doaj   +1 more source

Npas4 Regulates Mdm2 and thus Dcx in Experience-Dependent Dendritic Spine Development of Newborn Olfactory Bulb Interneurons

open access: yesCell Reports, 2014
Sensory experience regulates the development of various brain structures, including the cortex, hippocampus, and olfactory bulb (OB). Little is known about how sensory experience regulates the dendritic spine development of OB interneurons, such as ...
Sei-ichi Yoshihara   +11 more
doaj   +1 more source

Early intervention combined with targeted treatment promotes cognitive and behavioral improvements in young children with fragile x syndrome. [PDF]

open access: yes, 2012
Fragile X syndrome (FXS) is the most common inherited cause of intellectual disability due to an expansion in the full mutation range (>200 CGG repeats) of the promoter region of the FMR1 gene leading to gene silencing.
Borodyanskara, Mariya   +3 more
core   +3 more sources

Small, smaller… dendritic spine [PDF]

open access: yesThe EMBO Journal, 2014
Spines are highly motile protrusions emerging from the dendritic shafts of neurons. The dynamics of these post‐synaptic structures are ruled by actin filament turnover. However, our understanding of the mechanisms of actin polymerization in dendritic spines is quite ambiguous.
Pietro, Pilo Boyl, Walter, Witke
openaire   +2 more sources

Reaction–Diffusion Model-Based Research on Formation Mechanism of Neuron Dendritic Spine Patterns

open access: yesFrontiers in Neurorobotics, 2021
The pattern abnormalities of dendritic spine, tiny protrusions on neuron dendrites, have been found related to multiple nervous system diseases, such as Parkinson's disease and schizophrenia.
Yiqing Jia   +6 more
doaj   +1 more source

Dendritic cable with active spines: a modeling study in the spike-diffuse-spike framework [PDF]

open access: yes, 2005
The spike-diffuse-spike (SDS) model describes a passive dendritic tree with active dendritic spines. Spine-head dynamics is modelled with a simple integrate-and-fire process, whilst communication between spines is mediated by the cable equation. Here we
Coombes, Stephen   +2 more
core   +2 more sources

Neuronal plasticity affects correlation between the size of dendritic spine and its postsynaptic density

open access: yesScientific Reports, 2019
Structural plasticity of dendritic spines is thought to underlie memory formation. Size of a dendritic spine is considered proportional to the size of its postsynaptic density (PSD), number of glutamate receptors and synaptic strength.
Małgorzata Borczyk   +4 more
semanticscholar   +1 more source

Sleep deprivation causes memory deficits by negatively impacting neuronal connectivity in hippocampal area CA1 [PDF]

open access: yes, 2016
Brief periods of sleep loss have long-lasting consequences such as impaired memory consolidation. Structural changes in synaptic connectivity have been proposed as a substrate of memory storage.
Abel, Ted   +14 more
core   +6 more sources

Signaling in dendritic spines and spine microdomains [PDF]

open access: yesCurrent Opinion in Neurobiology, 2012
The specialized morphology of dendritic spines creates an isolated compartment that allows for localized biochemical signaling. Recent studies have revealed complexity in the function of the spine head as a signaling domain and indicate that (1) the spine is functionally subdivided into multiple independent microdomains and (2) not all biochemical ...
Yao, Chen, Bernardo L, Sabatini
openaire   +2 more sources

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