Melissa J. Loria
- Courses4
- Reviews7
- School: Indiana University Bloomington
- Campus:
- Department: Psychology
- Email address: Join to see
- Phone: Join to see
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Location:
107 S Indiana Ave
Bloomington, IN - 47405 - Dates at Indiana University Bloomington: December 2016 - November 2017
- Office Hours: Join to see
Biography
Indiana University Bloomington - Psychology
Experience
Indiana University Bloomington
Visiting Assistant Professor
Melissa worked at Indiana University Bloomington as a Visiting Assistant Professor
University of Mississippi
Graduate Student Instructor
Melissa worked at University of Mississippi as a Graduate Student Instructor
University of Indianapolis
Assistant Professor of Psychology
Melissa worked at University of Indianapolis as a Assistant Professor of Psychology
Education
University of Missisippi
Doctor of Philosophy (PhD)
Experimental Psychology
Publications
Effects of Sceletium tortuosum in rats
Journal of Ethnopharmacology
Broad historical and current uses in addition to diverse activity on CNS targets may make Sceletium tortuosum a useful therapeutic in a variety of clinical settings. This study sought to more broadly characterize activity of Sceletium tortuosum and mesembrine in a number of common, rodent-based assays that model nociception, depression, anxiety, ataxia, and abuse liability. Male Sprague-Dawley were administered Sceletium tortuosum extract products and behavioral responses were evaluated in the conditioned place preference (CPP), hot plate, forced swim, elevated plus, and rotarod tests. Sceletium tortuosum does not cause preference or aversion in CPP. Mesembrine appears to have analgesic properties without abuse liabilities or ataxia. The Sceletium tortuosum fraction has antidepressant properties but does produce ataxia. The ataxia may limit its usefulness as an antidepressant unless the antidepressant activity is associated with one constituent and the ataxia is associated with a separate constituent.
Effects of Sceletium tortuosum in rats
Journal of Ethnopharmacology
Broad historical and current uses in addition to diverse activity on CNS targets may make Sceletium tortuosum a useful therapeutic in a variety of clinical settings. This study sought to more broadly characterize activity of Sceletium tortuosum and mesembrine in a number of common, rodent-based assays that model nociception, depression, anxiety, ataxia, and abuse liability. Male Sprague-Dawley were administered Sceletium tortuosum extract products and behavioral responses were evaluated in the conditioned place preference (CPP), hot plate, forced swim, elevated plus, and rotarod tests. Sceletium tortuosum does not cause preference or aversion in CPP. Mesembrine appears to have analgesic properties without abuse liabilities or ataxia. The Sceletium tortuosum fraction has antidepressant properties but does produce ataxia. The ataxia may limit its usefulness as an antidepressant unless the antidepressant activity is associated with one constituent and the ataxia is associated with a separate constituent.
Brain-derived neurotrophic factor response in vulnerable and resilient genetic lines in the chick anxiety-depression model.
Behavioural Brain Research (in press)
Altered BDNF-mediated synaptogenesis is a major contributor to stress-vulnerability and depression. This study sought to determine patterns of hippocampal BDNF expression in stress-vulnerable and -resilient strains in the chick anxiety-depression model. Socially raised Black Australorp and Production Red strains were tested at 5-6 days post hatch under either 30, 60, 90, or 120 min of social separation stress; chicks tested with 2 social companions for 120 min served as a controls. Distress vocalizations were recorded throughout the test session and latency to behavioral despair calculated. Following tests, bilateral hippocampal sections were harvested and analyzed via ELISA for BDNF levels. Black Australorps had shorter latencies to behavioral despair than Production Reds reflecting greater stress vulnerability. No differences were detected in BDNF levels between a No-Test and Social group within or between strains. The stress resilient Production Reds showed stable BDNF levels across the isolation test period whereas the vulnerable Black Australorps showed an increase in hippocampal BDNF levels that peaked at 90 min and declined thereafter. These findings fit well with the notion that strain-dependent stress-vulnerability reflects, in part, poor homeostatic mechanisms controlling synaptogenesis.
