نتایج جستجو برای: mesocortical pathway
تعداد نتایج: 313583 فیلتر نتایج به سال:
Two iatrogenic effects of antipsychotic medications other than tardive dyskinesia have been recently described in schizophrenic populations: akinesia and tardive dysmentia. These effects involve activational, cognitive, and affective rather than motor changes, and closely resemble two most common prefrontal syndromes: dorsolateral and fronto-orbital/mediobasal. It is possible that the widely re...
The use of a polyclonal antiserum specific to C-terminal tetrapeptide amide of (D-Ala2)deltorphin-I, a naturally occurring amphibian skin opioid peptide, has already demonstrated the presence of immunoreactive neurons in rat midbrain. Double immunostaining identified these neurons as a subpopulation of the mesencephalic dopaminergic neurons that were also tyrosine hydroxylase-immunopositive and...
If both waking and dreaming consciousness are functional, their de-differentiation would be doubly detrimental. Differentiation between waking and dreaming is achieved through neuromodulation. During dreaming, without external sensory data and with mesolimbic dopaminergic input, hyper-cholinergic input almost totally suppresses the aminergic system. During waking, with sensory gates open, amine...
Introduction: Intranodal pathways of atrioventricular (AV) node play a vital role in the delay of conduction time in response to various atrial inputs. The present study was aimed to determine the frequency-dependent electrophysiological properties of concealed slow pathway according to a functional model of isolated rabbit atrioventricular node preparation after fast pathway ablation. Meth...
Long-term potentiation (LTP) is a biological process of learning and memory after a high-frequency train of electrical stimulations. By binding of brain-derived neurotrophic factor (BDNF) to Tropomyosin receptor kinase B (TrKB) receptors in postsynaptic neurons, tyrosine kinase Fyn is bound to these receptors and hereby plays a mediating role to binding and activation of N-methyl-D-aspartic aci...
The mesocorticolimbic dopamine (DA) system is implicated in neurodevelopmental psychiatric disorders including schizophrenia but it is unknown how disruptions in brain development modify this system and increase predisposition to cognitive and behavioural abnormalities in adulthood. Netrins are guidance cues involved in the proper organization of neuronal connectivity during development. We hav...
The article provided a mini review of the neuropathology of behavioral impulsivity as expressed in the hyperactive-impulsive and combined presentations of ADHD. The two most important neural circuits subserving behavior impulsivity are the mesolimbic and mesocortical dopamine circuits. A dysfunctional mesolimbic circuit is implicated in the generation of behavioral impulsivity and the mesocorti...
gastric cardia adenocarcinoma (gca)is one of the few malignancies with unexplained reasons that have increased sharply in developed countries. the purpose of this review was to determine the pathways in gca to identify new biomarker. so by comparing gene expression in gca group with normal control identified important pathways. gene expression data were extracted from the beforehand investigati...
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