Open Access. Powered by Scholars. Published by Universities.®

Medicine and Health Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

Psychiatry and Psychology

Dissertations

Drug discrimination

Publication Year

Articles 1 - 2 of 2

Full-Text Articles in Medicine and Health Sciences

Preclinical Behavioral Assessments Of Mitraginyne, The Main Psychoactive Alkaloid In Kratom, Rachel Burroughs Dec 2022

Preclinical Behavioral Assessments Of Mitraginyne, The Main Psychoactive Alkaloid In Kratom, Rachel Burroughs

Dissertations

Mitragyna speciosa (kratom) is a medicinal plant indigenous to Southeast Asia and Africa with a long history of use for a variety of ailments, including diarrhea, pain relief, cough suppression, and amelioration of opiate withdrawal symptoms. Despite its status as an herbal remedy, kratom is banned in some countries due to a myriad of negative health risks. Preclinical psychopharmacology studies of mitragynine (MG), the main alkaloid of kratom, indicate it has opioid-like effects at higher doses and psychostimulant-like effects at lower doses. The current study utilized three rodent behavioral paradigms to evaluate the putative psychostimulant effects of MG. The specific …


Evaluation Of Modafinil In Preclinical Behavioral Assays Of Abuse Liability, Amanda J. Quisenberry Dec 2013

Evaluation Of Modafinil In Preclinical Behavioral Assays Of Abuse Liability, Amanda J. Quisenberry

Dissertations

Modafinil is an FDA-approved drug for the treatment of narcolepsy with efficacy in the treatment of chronic fatigue syndrome, obstructive sleep apnea, and shift-work sleep disorder. Modafinil’s wake-promoting and cognitiveenhancing effects are reportedly similar to those of traditional psychostimulants, but without the side effects typically associated with these substances. Modafinil has also been investigated as an agonist replacement therapy for psychostimulant dependence, although results of clinical trials are equivocal. Few studies have examined its behavioral effects in combination with psychostimulants and the neuropharmacological actions of modafinil are not well understood. The primary aim of this study was to assess modafinil’s …