نتایج جستجو برای: neuromodulators
تعداد نتایج: 1122 فیلتر نتایج به سال:
The basal ganglia network is divided into two functionally related subsystems: the neuromodulators and the main axis. It is assumed that neuromodulators adjust cortico-striatal coupling. This adjustment might depend on the response properties and temporal interactions between neuromodulators. We studied functional interactions between simultaneously recorded pairs of neurons in the basal gangli...
social anxiety disorder (sad) is the one of the most common anxiety disorders. despite its high prevalence, the disorder is still considerably undiagnosed and untreated. the disease places a massive burden on patient’s lives, affecting not only their social interactions but also their educational and professional activities, thereby constituting a severe disability. γ-aminobutyric acid (gaba) s...
Neuromodulators can resculpt neural circuits, giving an animal the behavioral flexibility it needs to survive in a complex changing world. This ability, however, provides parasites with a potential mechanism for manipulating host behavior. This paper reviews three invertebrate host-parasite systems to examine whether parasites can change host behavior by secreting neuromodulators. The parasitic...
BACKGROUND The advent of new neuromodulators and soft-tissue fillers continues to expand the nonsurgical repertoire of the core cosmetic physician. METHODS The authors review relevant facial anatomy as it relates to facial aging and the resultant structural changes that occur. These changes are important for the cosmetic physician to identify and understand in order to perform both safe and e...
Neuromodulators are signaling molecules that induce long-lasting or network-wide changes in electrical activity, canonically through metabotropic G-coupled protein receptors. In contrast to classical neurotransmission, which directly opens ion channels, neuromodulators can act either synaptically or extra-synaptically (e.g., hormonal pathways) to modify neuronal activity. Because neuromodulator...
Classical Hebbian learning puts the emphasis on joint pre- and postsynaptic activity, but neglects the potential role of neuromodulators. Since neuromodulators convey information about novelty or reward, the influence of neuromodulators on synaptic plasticity is useful not just for action learning in classical conditioning, but also to decide "when" to create new memories in response to a flow ...
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