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Extract And Active Principal Of The Neotropical Vine Souroubea Sympetala Gilg. Block Fear Memory Reconsolidation, Anthony Murkar, Hristian Cayer, Jon James, Tony Durst, John T. Arnason, Pablos E. Sanchez-Vindas, M. Otarola Rojas, Zul Merali

Brain and Mind Institute

Background: Souroubea sympetala Gilg. is a neotropical vine native to Central America, investigated as part of a targeted study of the plant family Marcgraviaceae. Our previous research showed that extract of S. sympetala leaf and small branch extract had anxiolytic effects in animals and acts as an agonist for the GABAA receptor at the benzodiazepine binding site. To date, the potential effects of S. sympetala and its constituents on reconsolidation have not been assessed. Reconsolidation, the process by which formed memories are rendered labile and susceptible to change, may offer a window of opportunity for pharmacological manipulation of learned fear. …