نتایج جستجو برای: reinforcing efficacy

تعداد نتایج: 317146  

2017
Michela Balconi Laurent Pezard Jean-Louis Nandrino Maria Elide Vanutelli

Inter-brain synchronization during joint actions is a core question in social neuroscience, and the differential contribution of intra- and inter-brain functional connectivity has yet to be clarified along with the role of psychological variables such as perceived self-efficacy. The cognitive performance and the neural activation underlying the execution of joint actions were recorded by functi...

Journal: :The Journal of pharmacology and experimental therapeutics 2001
L L Howell K M Wilcox

Despite intensive medication development efforts, no effective pharmacotherapy for cocaine abuse has demonstrated efficacy for long-term use. Given the obvious importance of the dopamine transporter in the addictive properties of cocaine, the development and use of compounds that target the dopamine transporter represents a reasonable approach for the pharmacological treatment of cocaine abuse....

2015
Soheila Ranjbaran Tahereh Dehdari Khosro Sadeghniiat-Haghighi Mahmood Mahmoodi Majdabadi

BACKGROUND Poor sleep quality (SQ) is common among patients after coronary artery bypass graft surgery (CABG). This study attempted to determine the status of SQ following an intervention based on the PRECEDE-PROCEED model in patients with poor SQ after CABG. METHODS This study was a randomized clinical trial. The study sample, including 100 patients referred to the Cardiac Rehabilitation Cli...

2012
Yidong Xu Chunxiang Qian Lei Pan Bingbing Wang Chi Lou

Based on fractal theory and damage mechanics, the aim of this paper is to describe the monofractal and multifractal characteristics of corrosion morphology and develop a new approach to characterize the nonuniform corrosion degree of reinforcing bars. The relationship between fractal parameters and tensile strength of reinforcing bars are discussed. The results showed that corrosion mass loss r...

Journal: :The American journal of psychology 1955
J GREENSPOON

The reinforcing effects of various stimuli presented immediately following a response have been investigated largely with infra-human Ss. In the context of experiments using the operant conditioning paradigm, the accepted definition of the reinforcing stimulus is a stimulus introduced following a response that increases the probability of occurrence of that response. Despite this research utili...

Journal: :Appetite 2008
Gary S Goldfield Andrew Lumb

The present study examined the independent and interactive association between smoking, gender, dietary restraint and the relative reinforcing value of snack food in a university sample. Four hundred and three introductory psychology students completed questionnaires assessing age, gender, BMI, hunger, smoking status, nicotine dependence, dietary restraint, hedonic ratings and the relative rein...

2015
SORINA SAVA MARIOARA MOLDOVAN CODRUTA SAROSI ANCA MESAROS DIANA DUDEA CAMELIA ALB

Alternative research techniques are essential in order to prove the efficacy of graphene dental materials and their viability, especially if we associate them with other materials studied so far. It is important to determine the effects of these techniques because they can demonstrate the viability and credibility of the research on its properties. The purpose of this study was to measure and a...

Journal: :Drug and alcohol dependence 1993
P Skjoldager G Winger J H Woods

The reinforcing effect of the high affinity dopamine reuptake inhibitor GBR 12909 (1-[2-[bis(4-fluorophenyl)methoxy]ethyl)-4(3- phenylpropyl)piperazine) was compared with that of cocaine, and the effects of both GBR 12909 and cocaine pretreatments were evaluated on behaviour maintained by cocaine in rhesus monkeys. Increasing dose per injection of intravenously-delivered GBR 12909 or cocaine le...

Journal: :Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco 2015
Amy K Goodwin Takato Hiranita Merle G Paule

INTRODUCTION Cigarette smoking is largely driven by the reinforcing properties of nicotine. Intravenous (IV) self-administration procedures are the gold standard for investigating the reinforcing effects of psychoactive drugs. The goal of this review was to examine the results of published investigations of the reinforcing effects of nicotine measured using IV self-administration procedures in ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1393

this thesis attempts to measure learning styles, self efficacy and intrinsic motivation as predictors of iranian ielts reading comprehension. in order to address this issue, a quantitative study was conducted on some randomly selected intact students at ferdowsi university. these two groups were assigned as they were undergraduate (ba=91) and graduate (ma =74) students; they were all aged betwe...

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