Results 31 to 40 of about 53,217 (254)

Analysis of Hemichannels and Gap Junctions: Application and Extension of the Passive Transmembrane Ion Transport Model

open access: yesFrontiers in Cellular Neuroscience, 2021
Electrical synaptic transmission is an essential form of interneuronal communication which is mediated by gap junctions that permit ion flow. Three gene families (connexins, innexins, and pannexins) have evolved to form gap junctional channels.
Qiqian Wang, Shenquan Liu
doaj   +1 more source

Electrical Synapses in Basal Ganglia

open access: yesReviews in the Neurosciences, 2007
The basal ganglia (BG) provide a major integrative system of the forebrain involved in the organization of goal-directed behaviour. Pathological alteration of BG function leads to major motor and cognitive impairments such as observed in Parkinson's disease.
Vandecasteele, Marie   +3 more
openaire   +3 more sources

State-dependent modulation of gap junction signaling by the persistent sodium current

open access: yesFrontiers in Cellular Neuroscience, 2012
Thalamic neurons fluctuate between two states: a hyperpolarized state associated with burst firing and sleep spindles, and a depolarized state associated with tonic firing and rapid, reliable information transmission between the sensory periphery and ...
Julie S Haas   +3 more
doaj   +1 more source

Strategic Positioning of Connexin36 Gap Junctions Across Human Retinal Ganglion Cell Dendritic Arbors

open access: yesFrontiers in Cellular Neuroscience, 2018
Connexin36 (Cx36) subunits form gap junctions (GJ) between neurons throughout the central nervous system. Such GJs of the mammalian retina serve the transmission, averaging and correlation of signals prior to conveying visual information to the brain ...
Orsolya Kántor   +21 more
doaj   +1 more source

Selectivity to approaching motion in retinal inputs to the dorsal visual pathway

open access: yeseLife, 2020
To efficiently navigate through the environment and avoid potential threats, an animal must quickly detect the motion of approaching objects. Current models of primate vision place the origins of this complex computation in the visual cortex.
Todd R Appleby, Michael B Manookin
doaj   +1 more source

High sensitivity and wide response range artificial synapse based on polyimide with embedded graphene quantum dots

open access: yesScientific Reports, 2023
Artificial electronic synapses are commonly used to simulate biological synapses to realize various learning functions, regarded as one of the key technologies in the next generation of neurological computation.
Lijie Kou   +6 more
doaj   +1 more source

Serotonin is a gap junction-permeable neuronal tracer in the mouse retina

open access: yesFrontiers in Ophthalmology, 2023
IntroductionGap junctions are dynamically modulated bridges allowing the transcellular passage of ions and small molecules with a molecular mass of up to 1 kDa, a mechanism utilized for molecular communication purposes by living cells.
Gergely Szarka   +14 more
doaj   +1 more source

Electrical Synapses in the Thalamic Reticular Nucleus [PDF]

open access: yesThe Journal of Neuroscience, 2002
Neurons of the thalamic reticular nucleus (TRN) provide inhibitory input to thalamic relay cells and generate synchronized activity during sleep and seizures. It is widely assumed that TRN cells interact only via chemical synaptic connections. However, we show that many neighboring pairs of TRN neurons in rats and mice are electrically coupled.
Carole E, Landisman   +5 more
openaire   +2 more sources

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

open access: yesAdvanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa   +19 more
wiley   +1 more source

Optoelectronic Synaptic Devices Using Molecular Telluride Phase‐Change Inks for Three‐Factor Learning

open access: yesAdvanced Functional Materials, EarlyView.
Optoelectronic synaptic devices based on solution‐processed molecular telluride GST‐225 phase‐change inks are demonstrated for three‐factor learning. A global optical signal broadcast through a silicon waveguide induces non‐volatile conductance updates exclusively in locally electrically flagged memristors.
Kevin Portner   +14 more
wiley   +1 more source

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