Previous studies have indicated a role of serotonin (5-HT)2 receptors in modulation of the behavioral effects of cocaine. In the present study, the efficacy of SR 46349B (a 5-HT(2A) receptor antagonist) or SDZ SER-082 (a 5-HT(2C) receptor antagonist) in altering cocaine seeking behavior was examined in rats. Rats were trained to press a lever for cocaine (0.5 mg/kg/infusion, iv) paired with the...

over the past 25 years, autonomy has been a popular focus for discussion and increasingly influential in foreign language educa- tion. most research is concentrated on learner autonomy, while teacher autonomy has been seriously neglected. recently, however, researchers and experts have realized that to enhance learner autonomy, we must enhance teacher autonomy (e.g., benson 2000; little 1995; l...

university autonomy and accountability have been playing such a vital role in all aspects of university governance that their importance cannot be over emphasized. autonomy can be defined as “the right of a group of people to govern itself or to organize its own activities” and being autonomous means “being independent and having the power to make your own decisions”. on the other hand, account...

this study investigated the effect of applying the dynamic system theory (dst) and cognitive linguistics (cl) insights into grammar instruction on efl learners’ learning of english prepositions and learner autonomy. sixty iranian efl learners at the lower-intermediate level of language proficiency were randomly assigned to 1 experimental and 1 control group. the 2 groups filled out an autonomy ...