نتایج جستجو برای: rate of spontaneous activity
تعداد نتایج: 21278795 فیلتر نتایج به سال:
Background & Aim: The role of caffeine as a cerebral stimulant for improving respiratory indicators in the mechanically ventilated patients is unclear. The purpose of this study was to evaluate the effect of coffee consumption on respiratory indicators among the mechanically ventilated patients in the Intensive Care Unit (ICU). Methods & Materials: A double blind, randomized clinical trial (IR...
in this thesis, phosphorus ylides [phbppy], [no2bppy] and [brbppy] have been synthesized through the formation of phosphonium salt and dihydrogenation, followed by the reaction of pd(oac)2 and the orthopalladated dinuclear complexes [pd(?-cl)(phbppy)]2, [pd(?-cl)(no2bppy)]2 and [pd(?-cl)(brbppy)]2 have been produced. the reaction of dinuclear complexes and bidentate ligands [l = bipy (2,2-bipyr...
objective: parkia biglobossa stem bark decoction is a popular medicinal plant preparation used as calming agent for tensed patients in traditional medicine. the aim of this study was to evaluate the effects of aqueous stem bark extract of parkia biglobossa (aepb) and its active fraction aepbf3 on anxiety, spontaneous alternation behavior, and locomotor activity. the open field apparatus was use...
Social skills priming was used to increase the spontaneous social initiations of 2 socially withdrawn preschoolers, 1 of whom had been diagnosed with autism. During priming sessions, the teacher prompted and reinforced social behaviors (e.g., smiling, verbal initiations). We varied the rate of reinforcement during priming sessions and measured the effects of this manipulation on the rate of spo...
Sensory systems need to tease out stimulation-evoked activity against a noisy background. In the olfactory system, the odor response profile of an olfactory sensory neuron (OSN) is dependent on the type of odorant receptor it expresses. OSNs also exhibit spontaneous activity, which plays a role in establishing proper synaptic connections and may also increase the sensitivity of the cells. Howev...
abstract venlafaxine, 1–[2–(dimethylamino)–1–(4–methoxyphenyl) ethyl]cyclohexanol hydrochloride is a novel non-tricyclic antidepressant. venlafaxine is a second generation antidepressant drug, has a neuropharmacologic profile distinct from that of existing antidepressants including tricyclic compounds, selective serotonin reuptake inhibitors and monoamine oxidase inhibitors. venlafaxine impart...
24 25 Sensory systems need to tease out stimulation-evoked activity against a noisy background. In the 26 olfactory system, the odor response profile of an olfactory sensory neuron (OSN) is dependent on the 27 type of odorant receptor it expresses. OSNs also exhibit spontaneous activity, which plays a role in 28 establishing proper synaptic connections and may also increase the sensitivity of t...
The results of psychophysical studies suggest that displacement velocity may contribute significantly to the sensation of subcortical somatosensory neurons. The cortical correlates of these phenomena, however, are not known. In the present study the responses of rapidly adapting (RA) neurons in the forelimb region of cat primary somatosensory cortex (SI) to controlled displacement of skin and h...
Background & Objective: Non-traumatic pneumothorax is mostly caused by the disruption of small and large bulla in lungs. Approximately 80% of the patients with spontaneous pneumothorax are thin, tall young men without the history of respiratory disorders. In patients over 40 years old there is a noticeable lung disease, mostly emphysema in smokers. Catamential pneumothorax is a rare phenom...
objectives: the aim of present study was to evaluate some effects of crinum zeylanicum (c. zeylanicum) on central nervous system. materials and methods: c. zeylanicum methanolic bulb extract (250-1000 mg/kg orally), 2 mg chlorpromazine and 4 mg diazepam /kg body weight intraperitoneally respectively were tested in mice using irwin test, pentobarbitone-induced sleep test, spontaneous motor activ...
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