نتایج جستجو برای: cholinergic neuron
تعداد نتایج: 82506 فیلتر نتایج به سال:
I t is almost half a century that Moruzzi and Magoun (1), through their epoch making study, showed that the brain stem reticular formation (BSRF) is primarily responsible for cortical EEG desynchronization (DSYN). While the overall concept still holds good, the role played by different BSRF neurons and respective neurotransmitters for modulation of EEG continues to be under intense investigatio...
Neuronal death induced by endogenous extracellular ATP in retinal cholinergic neuron density control
Long projection axons from the Ch4 cell group of the nucleus basalis of Meynert (nbM) provide cholinergic innervation to the neurons of the cerebral cortex. This cortical cholinergic innervation has been implicated in behavioral and cognitive functions, including learning and memory. Recent evidence revealed differences among primate species in the pattern of cholinergic innervation specific to...
Fibroblast growth factor-1 (FGF1), a member of the FGF family of growth factors, is localized in cholinergic neurons where it has trophic activity. We recently reported that cholinergic neurons in the dorsal motor nucleus of the vagus (DMNV) contain little FGF1, raising the possibility that FGF1 is not localized to parasympathetic preganglionic cholinergic neurons. To clarify this issue, we inv...
Cholinergic activation profoundly affects vertebrate forebrain networks, but pathway, cell type, and modality specificity remain poorly understood. Here we investigated cell-specific cholinergic modulation of neurons in the zebra finch forebrain song control nucleus HVC using in vitro whole cell recordings. The HVC contains projection neurons that exclusively project to either another song moto...
A core principle of nervous system organization is the diversification of neuron classes into subclasses that share large sets of features but differ in select traits. We describe here a molecular mechanism necessary for motor neurons to acquire subclass-specific traits in the nematode Caenorhabditis elegans. Cholinergic motor neuron classes of the ventral nerve cord can be subdivided into subc...
The dorsal striatum integrates inputs from multiple brain areas to coordinate voluntary movements, associative plasticity, and reinforcement learning. Its projection neurons consist of the GABAergic medium spiny neurons (MSNs) that express dopamine receptor type 1 (D1) or dopamine receptor type 2 (D2). Cholinergic interneurons account for a small portion of striatal neuron populations, but they...
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