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).
Madison Guter joined the Interpersonal Emotion Lab in 2016 after earning a BS in psychology from The Ohio State University. Her master’s thesis utilized a daily diary design to explore how hope, self-esteem, and affect are impacted by repeatedly receiving validating and invalidating comments. Her research interests include emotional and interpersonal functioning in borderline personality disorder (BPD), dialectical behavior therapy (DBT), suicide prevention, and positive psychology. She is currently an extern at the Wake Kendall Group and the Washington DC VA Medical Center.
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 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. Alex is primarily interested in how individual differences in personality and difficulties with emotion regulation impact romantic relationships. Additional research interests include: couple functioning, emotion co-regulation, identity topics, personality pathology, and empathic accuracy. Alex recently completed an externship at Georgetown University's Counseling and Psychiatric Services (CAPS). She is currently an extern at the Washington, DC, VA Medical Center.
Jessica Birg received her BA in Philosophy-Neuroscience-Psychology from Washington University in St. Louis in 2018. During her time at WashU, she conducted interviews with older adults as part of the St. Louis Personality and Aging Network (SPAN) Study and led an independent project exploring risk factors for depression recurrence in later life. Her Senior thesis examined the effects of suppression on subjective feelings and impressions of authenticity in young adults. Jessica’s current research interests include: emotion regulation, Borderline Personality Disorder, empathy, and authenticity within the context of interpersonal functioning.