Publications by authors named "Leonard L Howell"

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Cocaine self-administration in adult female and male rhesus monkeys: longitudinal comparison with adolescent behavior and role of early life stress.
Mia I Allen, Erin R Siebert, Alison G P Wakeford, Kendra Jenkins, Jessica Khan, Leonard L Howell

Neuropsychopharmacology· December 2025

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Alterations in adolescent brain serotonin (5HT), 5HT, and dopamine (D) receptor systems in a nonhuman primate model of early life adversity.
Alison G P Wakeford, Jonathon A Nye, Elyse L Morin, Jiyoung Mun, Jerrold S Meyer, Leonard L Howell

Neuropsychopharmacology· July 2024

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Influence of Pair-housing on Sleep Parameters Evaluated with Actigraphy in Female Rhesus Monkeys.
Lais F Berro, Tanya Pareek, Jaren A Reeves-Darby, Monica L Andersen, Leonard L Howell

J Am Assoc Lab Anim Sci· March 2022

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Effects of early life stress on cocaine intake in male and female rhesus macaques.
Alison G P Wakeford, Brik Kochoian, Erin R Siebert, Sarah Katznelson, Elyse L Morin, Brittany R Howell, Leonard L Howell

Psychopharmacology (Berl)· December 2020

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Effects of early life stress on cocaine self-administration in post-pubertal male and female rhesus macaques.
Alison G P Wakeford, Elyse L Morin, Sara N Bramlett, Brittany R Howell, Kai M McCormack, Leonard L Howell

Psychopharmacology (Berl)· September 2019

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Effects of ketamine treatment on cocaine-induced reinstatement and disruption of functional connectivity in unanesthetized rhesus monkeys.
Eric A Maltbie, Kaundinya S Gopinath, Leonard L Howell

Psychopharmacology (Berl)· July 2019

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Sensitization to the prosocial effects of 3,4-methylenedioxymethamphetamine (MDMA).
Daniel W Curry, Laís F Berro, Andie R Belkoff, Agnieszka Sulima, Kenner C Rice, Leonard L Howell

Neuropharmacology· June 2019

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Effects of long-term high-fat food or methamphetamine intake and serotonin 2C receptors on reversal learning in female rhesus macaques.
Maylen Perez Diaz, Mark E Wilson, Leonard L Howell

Neuropsychopharmacology· February 2019

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Effects of acute treatments with the serotonin 2A antagonist M100907 alone or in combination with the serotonin 2C agonist WAY163909 on methamphetamine self-administration in rhesus monkeys.
Melis Odabas-Geldiay, Hannah Shields, Lais F Berro, Kenner C Rice, Leonard L Howell

Drug Alcohol Depend· January 2019

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Longitudinal MRI Evaluation of Ischemic Stroke in the Basal Ganglia of a Rhesus Macaque () with Seizures.
Chun-Xia Li, Doty J Kempf, Frank C Tong, Yumei Yan, Zhengfeng Xu, Leonard L Howell

Comp Med· December 2018

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A review of nonhuman primate models of early life stress and adolescent drug abuse.
Alison G P Wakeford, Elyse L Morin, Sara N Bramlett, Leonard L Howell, Mar M Sanchez

Neurobiol Stress· November 2018

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A peripheral immune response to remembering trauma contributes to the maintenance of fear memory in mice.
Matthew B Young, Leonard L Howell, Lauren Hopkins, Cassandra Moshfegh, Zhe Yu

Psychoneuroendocrinology· August 2018

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Acute effects of 3,4-methylenedioxymethamphetamine (MDMA) and R(-) MDMA on actigraphy-based daytime activity and sleep parameters in rhesus monkeys.
Laís F Berro, Hannah Shields, Melis Odabas-Geldiay, Barbara O Rothbaum, Monica L Andersen, Leonard L Howell

Exp Clin Psychopharmacol· August 2018

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(±)-MDMA and its enantiomers: potential therapeutic advantages of R(-)-MDMA.
Elizabeth G Pitts, Daniel W Curry, Karly N Hampshire, Matthew B Young, Leonard L Howell

Psychopharmacology (Berl)· February 2018

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Separating the agony from ecstasy: R(-)-3,4-methylenedioxymethamphetamine has prosocial and therapeutic-like effects without signs of neurotoxicity in mice.
Daniel W Curry, Matthew B Young, Andrew N Tran, Georges E Daoud, Leonard L Howell

Neuropharmacology· January 2018

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Inhibition of serotonin transporters disrupts the enhancement of fear memory extinction by 3,4-methylenedioxymethamphetamine (MDMA).
Matthew B Young, Seth D Norrholm, Lara M Khoury, Tanja Jovanovic, Sheila A M Rauch, Leonard L Howell

Psychopharmacology (Berl)· October 2017

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3,4-Methylenedioxymethamphetamine Increases Affiliative Behaviors in Squirrel Monkeys in a Serotonin 2A Receptor-Dependent Manner.
Elizabeth G Pitts, Adelaide R Minerva, Erika B Chandler, Jordan N Kohn, Meghan T Logun, Leonard L Howell

Neuropsychopharmacology· September 2017

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GABA receptor positive allosteric modulators modify the abuse-related behavioral and neurochemical effects of methamphetamine in rhesus monkeys.
Laís F Berro, Monica L Andersen, Sergio Tufik, Leonard L Howell

Neuropharmacology· September 2017

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Effects of the serotonin 2C receptor agonist WAY163909 on the abuse-related effects and mesolimbic dopamine neurochemistry induced by abused stimulants in rhesus monkeys.
Laís F Berro, Maylen Perez Diaz, Eric Maltbie, Leonard L Howell

Psychopharmacology (Berl)· September 2017

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Assessment of tolerance to the effects of methamphetamine on daytime and nighttime activity evaluated with actigraphy in rhesus monkeys.
Laís F Berro, Monica L Andersen, Leonard L Howell

Psychopharmacology (Berl)· August 2017

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Effects of a Serotonin 2C Agonist and a 2A Antagonist on Actigraphy-Based Sleep Parameters Disrupted by Methamphetamine Self-Administration in Rhesus Monkeys.
Maylen Perez Diaz, Monica L Andersen, Kenner C Rice, Leonard L Howell

Neuropsychopharmacology· June 2017

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Actigraphy-based sleep parameters during the reinstatement of methamphetamine self-administration in rhesus monkeys.
Laís F Berro, Monica L Andersen, Sergio Tufik, Leonard L Howell

Exp Clin Psychopharmacol· April 2016

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Serotonin 5-HT2 receptor interactions with dopamine function: implications for therapeutics in cocaine use disorder.
Leonard L Howell, Kathryn A Cunningham

Pharmacol Rev· June 2015

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Effects of pharmacologic dopamine β-hydroxylase inhibition on cocaine-induced reinstatement and dopamine neurochemistry in squirrel monkeys.
Debra A Cooper, Heather L Kimmel, Daniel F Manvich, Karl T Schmidt, David Weinshenker, Leonard L Howell

J Pharmacol Exp Ther· July 2014

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