نتایج جستجو برای: self administration
تعداد نتایج: 750801 فیلتر نتایج به سال:
the construct of self-efficacy has received increasing attention in research over the past two decades. many studies have been carried out 1.3 significance of the study this study has pedagogical implications since improving students’ self- efficacy and autonomy is important for promoting actual performance on classroom academic tasks. in academic settings, it has been shown that self-effi...
Teachers Participating in Professional Learning Activities: The Role of Personal, Organizational, and Administrative Factors M. AhmadYoosofi* H. Motaharinejaad, Ph.D. ** H. Aazari, Ph.D. *** To help with the improvement in professional learning of teachers the opinions of 190 elementary school teachers on developmental leadership, cooperation among teachers, internalization ...
the central purpose of this study was to conduct a case study about the role of self monitoring in teacher’s use of motivational strategies. furthermore it focused on how these strategies affected students’ motivational behavior. although many studies have been done to investigate teachers’ motivational strategies use (cheng & d?rnyei, 2007; d?rnyei & csizer, 1998; green, 2001, guilloteaux & d?...
this thesis is about the effect of self-confidence and educational motivation on oral translation quality.
Adequate treatment of tobacco addiction remains problematic. Part of the problem with treatment is a poor understanding of the pharmacologic aspects of nicotine contributing to addiction. In addition to activating nicotinic acetylcholine receptors, nicotine also desensitizes them. It is currently not known how much of each of nicotine's actions contribute to its particular behavioral effects. S...
To compare neuronal activity within the mesocorticolimbic circuit during the self-administration of cocaine and heroin, multiple-channel single-unit recordings of spike activity within the rat medial prefrontal cortex (mPFC) and nucleus accumbens (NAc) were obtained during the consecutive self-administration of cocaine and heroin within the same session. The variety of neuronal responses observ...
Background Cocaine addiction continues to be a major heath concern, and despite public health intervention there is a lack of efficient pharmacological treatment options. A newly identified potential target are the group I metabotropic glutamate receptors, with allosteric modulators showing particular promise. Methods We evaluated the capacity of group I metabotropic glutamate receptors to in...
The ability of reboxetine, a selective inhibitor of the norepinephrine transporter and noncompetitive antagonist at neuronal nicotinic receptors, to alter nicotine self-administration in rats was compared with that of mecamylamine, a classical noncompetitive antagonist at nicotinic receptors. The ability of reboxetine to alter sucrose-maintained responding was also examined to assess the specif...
The effects of i.v. cocaine self-administration under "naturalistic" conditions on plasma corticosterone (CORT) and prolactin (PRL) were investigated in male Sprague-Dawley rats. After the determination of plasma CORT and PRL levels under basal conditions before access to cocaine for self-administration, rats were allowed to self-administer cocaine (0.25, 0.5, 1.0, or 2.0 mg/kg/infusion i.v.) b...
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