Results 131 to 140 of about 87,423 (320)

A Cholinergic Synaptically Triggered Event Participates in the Generation of Persistent Activity Necessary for Eye Fixation [PDF]

open access: yes, 2004
An exciting topic regarding integrative properties of the nervous system is how transient motor commands or brief sensory stimuli are able to evoke persistent neuronal changes, mainly as a sustained, tonic action potential firing.
Alvarado, Juan Carlos   +5 more
core   +2 more sources

Artificial Neuron Based on Electrical Anisotropy from WSe2 Field Effect Transistors

open access: yesAdvanced Science, EarlyView.
An artificial neuron was realized based on the anisotropic mobility of WSe2. Dendritic and axon‐multisynaptic performance of a neuron was achieved with optical and voltage pulses. Recognition accuracy of handwritten digits was obtained to 97% based on the synaptic weight of an artificial neuron.
Qi Sun   +10 more
wiley   +1 more source

Distribution of vesicle pools in cerebellar parallel fibre terminals after depression of ectopic transmission.

open access: yesPLoS ONE, 2018
At parallel fibre terminals in the cerebellar cortex, glutamate released outside of the active zone can activate AMPA receptors on juxtaposed Bergmann glial cell processes. This process is termed "ectopic" release, and allows for directed transmission to
Katharine L Dobson   +2 more
doaj   +1 more source

Calcium transients in cerebellar granule cell presynaptic terminals

open access: yesBiophysical Journal, 1995
Calcium ions act presynaptically to modulate synaptic strength and to trigger neurotransmitter release. Here we detect stimulus-evoked changes in residual free calcium ([Ca2+]i) in rat cerebellar granule cell presynaptic terminals. Granule cell axons, known as parallel fibers, and their associated boutons, were labeled with several calcium indicators ...
Regehr, W.G., Atluri, P.P.
openaire   +2 more sources

A Non‐Mitophagy Activity of BNIP3L/NIX in Amygdala Glutamatergic Neurons is Essential for Contextual Fear Memory Formation

open access: yesAdvanced Science, EarlyView.
Contextual fear conditioning induces BNIP3L‐dependent mitochondrial fission in glutamatergic neurons of the BLA, independently of mitophagy. Loss of BNIP3L elevates Drp1Ser637 phosphorylation, thereby suppressing mitochondrial fission, compromising ATP production, and attenuating excitatory synaptic transmission.
Xingxian Zhang   +13 more
wiley   +1 more source

Soma-localized Rab39 inhibits synaptic autophagy by controlling trafficking of Atg9 vesicles

open access: yesThe EMBO Journal
Presynaptic terminals can be located far from the neuronal cell body and are thought to independently regulate protein and organelle turnover. Autophagy is a critical process for maintaining proteostasis, and its synaptic dysregulation is associated with
Ayse Kilic   +13 more
doaj   +1 more source

Presynaptic external calcium signaling involves the calcium-sensing receptor in neocortical nerve terminals.

open access: yesPLoS ONE, 2010
BackgroundNerve terminal invasion by an axonal spike activates voltage-gated channels, triggering calcium entry, vesicle fusion, and release of neurotransmitter.
Wenyan Chen   +10 more
doaj   +1 more source

Rapid propagation of membrane tension at retinal bipolar neuron presynaptic terminals. [PDF]

open access: yesSci Adv, 2022
Gomis Perez C   +6 more
europepmc   +1 more source

Depolarization-activated potentiation of the T fiber synapse in the blue crab [PDF]

open access: yes, 1993
The blue crab T fiber synapse, associated with the stretch receptor of the swimming leg, has a nonspiking presynaptic element that mediates tonic transmission.
Lin, J.-W., Llinas, R.
core  

Rapid Activation of Dormant Presynaptic Terminals by Phorbol Esters [PDF]

open access: bronze, 2010
Chun Yun Chang   +3 more
openalex   +1 more source

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