Results 31 to 40 of about 2,928,945 (285)

Pre-synaptic terminal dynamics in the hippocampus [PDF]

open access: yes, 2003
This thesis work dealt with the study of synaptic plasticity in the adult brain. This is an area of intensive investigation because instability of synapses is believed to underlie cognitive processes like learning and memory in the CNS, and adaptation ...
De Paola, Vincenzo
core   +1 more source

Prenatal infection and adolescent social adversity affect microglia, synaptic density, and behavior in male rats

open access: yesNeurobiology of Stress, 2023
Maternal infection during pregnancy and childhood social trauma have been associated with neurodevelopmental and affective disorders, such as schizophrenia, autism spectrum disorders, bipolar disorder and depression.
Cyprien G.J. Guerrin   +7 more
doaj   +1 more source

APOE ε4 is associated with decreased synaptic density in cognitively impaired participants. [PDF]

open access: yesAlzheimers Dement
He K   +15 more
europepmc   +2 more sources

Modulation of behavior by scaffolding proteins of the post-synaptic density [PDF]

open access: yesNeurobiology of Learning and Memory, 2013
Scaffolding proteins of the neuronal post-synaptic density (PSD) are principal organizers of glutamatergic neurotransmission that bring together glutamate receptors and signaling molecules at discrete synaptic locations. Genetic alterations of individual PSD scaffolds therefore disrupt the function of entire multiprotein modules rather than a single ...
Can, Gao   +2 more
openaire   +2 more sources

Positron Emission Computed Tomography Imaging of Synaptic Vesicle Glycoprotein 2A in Alzheimer’s Disease

open access: yesFrontiers in Aging Neuroscience, 2021
Alzheimer’s disease (AD) is the most common neurodegenerative disorder seen in age-dependent dementia. There is currently no effective treatment for AD, which may be attributed in part to lack of a clear underlying mechanism.
Yanyan Kong   +13 more
doaj   +1 more source

Quantification of the density of cooperative neighboring synapses required to evoke endocannabinoid signaling [PDF]

open access: yes, 2014
The spatial pattern of synapse activation may impact on synaptic plasticity. This applies to the synaptically-evoked endocannabinoid-mediated short-term depression at the parallel fiber (PF) to Purkinje cell synapse, the occurrence of which requires ...
Pachoud, B   +9 more
core   +1 more source

Entorhinal denervation induces homeostatic synaptic scaling of excitatory postsynapses of dentate granule cells in mouse organotypic slice cultures [PDF]

open access: yes, 2012
Denervation-induced changes in excitatory synaptic strength were studied following entorhinal deafferentation of hippocampal granule cells in mature (≥3 weeks old) mouse organotypic entorhino-hippocampal slice cultures.
Roeper, Jochen   +23 more
core   +1 more source

Learning to Discriminate Through Long-Term Changes of Dynamical Synaptic Transmission [PDF]

open access: yes, 2008
Short-term synaptic plasticity is modulated by long-term synaptic changes. There is, however, no general agreement on the computational role of this interaction.
Gundlfinger, Anja   +10 more
core   +1 more source

Cerebrospinal fluid and brain positron emission tomography measures of synaptic vesicle glycoprotein 2A: Biomarkers of synaptic density in Alzheimer's disease. [PDF]

open access: yesAlzheimers Dement
INTRODUCTION: Positron emission tomography (PET) imaging with ligands for synaptic vesicle glycoprotein 2A (SV2A) has emerged as a promising methodology for measuring synaptic density in Alzheimer's disease (AD). We investigated associations between SV2A
Mecca AP   +23 more
europepmc   +2 more sources

Characteristics of ear fullness and synaptic loss in ear fullness revealed by SV2A positron emission tomographycortical

open access: yesFrontiers in Molecular Neuroscience
ObjectiveStudies on feeling of ear fullness (FEF) related to sudden sensorineural hearing loss(SSNHL) are limited. The mechanisms of FEF are unclear. This study aimed to explore the characteristics and related brain activation of SSNHL with FEF.MethodsA ...
En Zhou   +4 more
doaj   +1 more source

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