Results 31 to 40 of about 23,945 (282)

Phasic GABAA‐mediated inhibition [PDF]

open access: yesEpilepsia, 2010
Summaryγ‐Aminobutyric acid (GABA) is the main inhibitory transmitter in the central nervous system (CNS) and regulates via GABAA receptors tonic and phasic inhibition. This review focuses on the sequential steps leading to phasic inhibition, including vesicle exocytosis, dynamics of GABA transient in the synaptic cleft, binding to GABAA receptors ...
openaire   +1 more source

Balancing tonic and phasic inhibition in hypothalamic corticotropin‐releasing hormone neurons [PDF]

open access: yesThe Journal of Physiology, 2018
Key points GABA transporter (GAT) blockade recruits extrasynaptic GABAA receptors (GABAARs) and amplifies constitutive presynaptic GABABR activity. Extrasynaptic GABAARs contribute to a tonic current. Corticosteroids increase the tonic current mediated by extrasynaptic GABAARs.
Phillip L.W. Colmers, Jaideep S. Bains
openaire   +2 more sources

Effect of GABAA Receptor Clustering on Phasic and Tonic Inhibition in the Hippocampus [PDF]

open access: yes, 2004
Inhibitory transmission plays a major role in information processing in the brain since it integrates excitatory signals and defines the gain between neural input and output. γ-Amino butyric acid (GABA) is the main inhibitory neurotransmitter in the adult mammalian brain.
Petrini, Enrica Maria
openaire   +3 more sources

Heteromeric α/β glycine receptors regulate excitability in parvalbumin-expressing dorsal horn neurons through phasic and tonic glycinergic inhibition [PDF]

open access: yes, 2017
The dorsal horn (DH) of the spinal cord is an important site for modality specific processing of sensory information and is essential for contextually relevant sensory experience.
B. A. Graham   +9 more
core   +1 more source

Neuronal specializations for the processing of interaural difference cues in the chick

open access: yesFrontiers in Neural Circuits, 2014
Sound information is encoded as a series of spikes of the auditory nerve fibers (ANFs), and then transmitted to the brainstem auditory nuclei. Features such as timing and level are extracted from ANFs activity and further processed as the interaural time
Harunori eOhmori
doaj   +1 more source

SUR1-TRPM4 channel activation and phasic secretion of MMP-9 induced by tPA in brain endothelial cells. [PDF]

open access: yesPLoS ONE, 2018
BACKGROUND:Hemorrhagic transformation is a major complication of ischemic stroke, is linked to matrix metalloproteinase-9 (MMP-9), and is exacerbated by tissue plasminogen activator (tPA).
Volodymyr Gerzanich   +4 more
doaj   +1 more source

Cocaine Inhibition of Nicotinic Acetylcholine ReceptorsInfluences Dopamine Release

open access: yesFrontiers in Synaptic Neuroscience, 2014
Nicotinic acetylcholine receptors (nAChRs) potently regulate dopamine (DA) release in the striatum and alter cocaine’s ability to reinforce behaviors.
Alexandra eAcevedo-Rodriguez   +7 more
doaj   +1 more source

Phasic firing of dopaminergic neurons in the ventral tegmental area triggers peripheral immune responses

open access: yesScientific Reports, 2022
Dopaminergic neurons in the ventral tegmental area (VTA) play a crucial role in the processing of reward-related information. Recent studies with pharmacological manipulations of VTA neuronal activity demonstrated a VTA-induced immunoenhancement in ...
Tasuku Kayama   +2 more
doaj   +1 more source

Transition to seizures in the isolated immature mouse hippocampus: a switch from dominant phasic inhibition to dominant phasic excitation

open access: yesThe Journal of Physiology, 2008
The neural dynamics and mechanisms responsible for the transition from the interictal to the ictal state (seizures) are unresolved questions in epilepsy. It has been suggested that a shift from inhibitory to excitatory GABAergic drive can promote seizure generation.
M, Derchansky   +5 more
openaire   +3 more sources

Age Differences in High Frequency Phasic Heart Rate Variability and Performance Response to Increased Executive Function Load in Three Executive Function Tasks

open access: yesFrontiers in Psychology, 2015
The current study examines similarity or disparity of a frontally-mediated physiological response of mental effort among multiple executive functioning tasks between children and adults.
Dana Lynn Byrd   +4 more
doaj   +1 more source

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