Current Lab Members

Dr. Nathaniel Herr Lab Director

Nathaniel Herr is an Associate Professor of Psychology who joined the Psychology Department at American University in 2012. Dr. Herr received his PhD in Clinical Psychology from the University of California, Los Angeles and received postdoctoral training and a faculty appointment at Duke University Medical Center. His research focuses on the etiology and effects of interpersonal dysfunction, emotion regulation difficulties, and identity disturbance particularly among adults or emerging adults with borderline personality disorder (BPD).

Danielle Cohn

Danielle Cohn received her BA in psychology with a minor in mathematics from Vassar College in 2009. After completing her undergraduate degree, she worked at McLean Hospital in Boston, MA, where she led Dialectical Behavior Therapy (DBT) skills groups for adolescent girls with features of borderline personality disorder (BPD). She was involved in a longitudinal study on aggression in individuals with BPD at McLean Hospital and was a research assistant in Harvard University’s Social Neuroscience and Psychopathology Lab. She entered AU’s Clinical Psychology PhD Program in the fall of 2013. Broadly, her research interests include interpersonal processing and facial emotion recognition in individuals with BPD. Her thesis project will focus on the relationship between shame and aggression in individuals with features of BPD. She was previously an extern at The Wake Kendall Group. Currently, Danielle is completing her internship year at the Louisiana State University Health Sciences Center School of Medicine in New Orleans.

Evelyn Meier

Evelyn Meier received her BA from the University of North Carolina at Chapel Hill in 2008. She completed her MA in Psychology at American in 2013 before joining the Clinical Psychology PhD program in 2014. Her master's thesis explored adolescent girls' body image dissatisfaction in correlation with photo-related activity on Facebook. Current research interests include emotion recognition, empathic accuracy, dialectical behavior therapy, and interpersonal processes in emotion regulation and well-being within the context of couples and individuals with Borderline Personality Disorder. She is currently completing her internship year at the University of Rochester Medical Center.

Madison Guter

Madison Guter joined the Interpersonal Emotion Lab in 2016, after earning her BS in psychology from The Ohio State University. During her undergraduate career, she conducted an honors thesis examining the relationship between hope, values, and goal outcomes and worked as a research assistant for a study examining the effects of validation and invalidation on social problem solving. Her current master’s thesis utilizes a daily diary design to understand how hope, self-esteem, and affect are impacted by repeatedly receiving validating and invalidating comments. Madison’s research interests include Borderline Personality Disorder, Dialectical Behavior Therapy, positive psychology, and emotion regulation. She is currently an extern at the Wake Kendall Group.

Vincent Barbieri

Vincent Barbieri received his BA in Psychology from Georgetown University in 2012 and his MA in Psychology in Education from Teachers College, Columbia University in 2014. During his masters he worked as a research assistant in the Loss, Trauma, and Emotion Lab, studying the impacts of complicated grief on emotion regulation, particularly looking at expressive flexibility as it relates to adjustment after the loss of a loved one. During this time he also conducted a study measuring the influence of facial expressions on interpersonal perception. Recently he worked as a research coordinator of a substance abuse clinic in the New York State Psychiatric Institute, where he was program director of their Opioid Overdose Prevention Program. His interests include emotion regulation, facial expression and how they influence perception, avoidance, and Borderline Personality Disorder. He is currently an extern at the Wake Kendall Group.

Alexandra Long

Alexandra D. Long joined the PhD in Clinical Psychology program in 2018 after earning her MA in Psychology from American University and her BA in Cinema & Media Studies from the University of Chicago. Her Master's thesis examined how narcissistic traits moderate the effects of empathy priming on rape myth acceptance among heterosexual college males. Recently, she was a research coordinator on a study funded by the National Institute of Justice exploring mediation outcomes among couples experiencing high levels of intimate partner violence. Alex is primarily interested in how individual differences in personality and difficulties with emotion regulation impact romantic relationships. Additional research interests include: personality factors in couple functioning, emotion regulation within the context of interpersonal relationships, personality disorders, and empathic accuracy.

Erika Fenstermacher

Erika Fenstermacher received her Bachelor of Arts in psychology with a minor in sociology (disability services) and a certificate in gerontology from the Indiana University of Pennsylvania in 2017. While completing her undergraduate degree, she conducted an honors thesis which explored how destination memory deficits in an older adult population can be lessened through the use of various imagery strategies. This summer she worked for the U.S. Department of Veterans Affairs on The Comparative Health Assessment Interview (CHAI) research study. This congressionally-mandated project examined the effects of military service on the physical and mental health, and well-being of post-9/11 Veterans. Her role involved conducting a battery of neurocognitive assessments with veterans in the DMV area. Erika's current research interests include aging, terror management theory, depression, coping with dementia, prosocial behavior, and caregiver burden.

Jessica Birg

Jessica Birg received her BA in Philosophy-Neuroscience-Psychology from Washington University in St. Louis in 2018. During her time at WashU, she conducted life narrative interviews with older adults as part of the St. Louis Personality and Aging Network (SPAN) Study. In her Junior year, she led an independent project exploring risk factors for depression recurrence in later life. She also completed a Senior thesis examining the effects of suppression on subjective feelings and impressions of authenticity in young adults. Jessica’s current research interests include: emotion regulation, depression, Borderline Personality Disorder, identity disturbance, and authenticity.

Want to Participate?

For questions regarding undergraduate research assistant positions or research participation opportunities, contact Nate Herr.

Email