The broad goal of the ID lab is to understand psychopathology as a set of dynamic processes – in which thoughts, feelings, and actions are idiosyncratically organized within each individual. Moreover, we are interested in exploring the relationships between psychopathology and health by utilizing ambulatory, experimental, and epidemiological paradigms to understand the psychological and emotional correlates of physical morbidity.


Research in the lab can currently be categorized within three often overlapping domains:


  • Personalized assessment and psychotherapy: Here we use intensive repeated measures of ambulatory data to generate person-specific models of psychopathology, and to personalize the delivery of psychotherapy to individual profiles and needs.
  • Dynamic Assessment Treatment Algorithm: We have created an automated system, called the Dynamic Assessment Treatment Algorithm (DATA), which applies person-specific analyses to each individual’s multivariate time series and utilizes the results of these analyses to make prescriptive choices about individual treatment delivery.


  • Psychophysiology of Trauma and Distress: We are currently using experimental and ecological paradigms to investigate the potential physiological correlates of depression, anxiety, and trauma.  Our interest is to explore the phenomenology and function of physiological parameters in order to begin to understand the complex connections between psychopathology and health.


Aaron Fisher is an Assistant Professor of Psychology and the Director of the Idiographic Dynamics Lab at the University of California, Berkeley. He received his Ph.D. from the Pennsylvania State University in 2012 and joined the Department of Psychology at UC Berkeley in after completing a postdoctoral fellowship at Stanford University. Dr. Fisher’s research seeks to measure, model, and understand dynamic processes in individual behavior and health.

Aaron Fisher



Hannah Bosley


Hannah Bosley is a second year graduate student in Clinical Science at UC Berkeley. She obtained her B.A. in Psychology and Linguistics from Rice University in 2013. Hannah thinks that "don't worry, be happy" is an important mantra: her primary research focus is on understanding the relationship between anxiety and positive emotion. She is particularly curious about the mechanisms underlying positive emotion deficits in high worriers, and is currently exploring this question with an eye toward developing ways to target positive emotion deficits in treatment for anxiety. When not in lab, Hannah seeks to increase her own levels of positive emotion by cooking Yotam Ottolenghi recipes and developing SCUBA diving proficiency.

Jonathan Reeves


Jonathan Reeves is a second year graduate student in Clinical Science at UC Berkeley. Jon received his B.A. in Behavioral Neuroscience from the College of Wooster in 2014. His primary research interest focuses on the psychological and pathophysiological sequelae of individual-level and intergenerational trauma. His current work utilizes ecological and quasi-experimental methods to further elucidate mechanisms underlying the etiology, maintenance, and treatment of posttraumatic stress disorder.

Allison Diamond


Allison Diamond is a first year graduate student in the Clinical Science program at UC Berkeley.  She received her B.A. in Neuroscience and Behavior from Wesleyan University in 2011, where she focused on the molecular mechanisms underlying learning and memory.  After graduating, she worked in a neurogenetics lab at Harvard Medical School, and as an editor for the Journal of Visualized Experiments, a video-based methodology journal.  In 2013 she started as a research assistant in Dr. Jasper Smit's Anxiety and Health Behaviors lab, where she developed a strong interest in the etiology and treatment of anxiety and mood disorders.  Her current research interests include investigating memory changes in anxiety and mood disorders, as well as the development of personalized interventions.  She feels passionately about disseminating science to the public, and in her free time likes to run, do yoga, and play with her Doberman.

Jennifer Paul


Jennifer Paul joined the Idiographic Dynamics lab as a research assistant in 2014 and has been a lab manager since April 2015. She graduated from UC Berkeley in 2015 with a B.A. in cognitive science. In addition to her duties as lab manager, she also co-supervises a team of research assistants in cleaning psychophysiological data and administers Structured Clinical Interviews and cognitive assessments.  When she is not in the lab, Jennifer can be found working as a senior customer associate at Anthropologie, practicing oil painting, or petting large, fluffy dogs.

research assistants

  • Nicki Aguilar
  • Victor Aguirre
  • Nick Van Alen
  • Cyrus Chi
  • Amy Chieng
  • Rebeka Horvat
  • Chelsea Johnson
  • Jilana Jordi
  • Ishani Joshi
  • Benji Kaveladze
  • Iman Labanieh
  • Jorge Ortiz
  • Juliana Quiroz
  • Sean Roche
  • Daniela Sanchez
  • Sabiha Tamima
  • Nell Thompson
  • Haley Urbach
  • Jimmy Yao
  • Grace Yoo


Katya Fernandez


Katya Fernandez was a postdoctoral scholar at the Idiographic Dynamics Laboratory at the University of California, Berkeley from 2014-2015. She obtained her PhD in Psychology from Washington University in St. Louis in 2014. Her work focuses on the development and testing of novel assessment techniques for mood and anxiety symptoms; a recent example of an assessment tool that she has been working on is TelEMA, a low-cost, web-based telephone assessment platform for conducting ecological momentary assessment research (Fernandez, Johnson, & Rodebaugh, 2013). She's interested in using these assessment tools to better understand inter- and intra-individual transdiagnostic dimensions across the mood and anxiety disorders. While at the ID Lab, Katya helped develop DATA (dynamic assessment treatment algorithm), an algorithm designed to match time-series, person-specific data with modularized CBT treatment. Katya is currently a T32 postdoctoral fellow at Stanford University.

Alyssa Parker


Since 2014, Alyssa Parker has been a Lab Manager in the Idiographic Dynamics Laboratory. She graduated from UC Berkeley with Bachelor's degrees in Psychology and Statistics in 2014. In Dr. Fisher's lab, Alyssa administers Structured Clinical Interviews as well as WAIS-based Cognitive Assessments. She also manages participant progress and both trains and supervises research assistants. In her free time, Alyssa enjoys watching Cal sports and hiking around the Bay Area.

Nicholas Riano


Nicholas Riano was a research assistant at the Idiographic Dynamics Laboratory at the University of Califorina, Berkeley from 2014-2016. He received his B.A. in Psychology from UC Berkeley in 2015, and is now a Master's candidate at the University of California, Irvine in Criminology, Law and Society. In the lab, he oversaw participant recruitment, data analysis, marketing and outreach. Currently, Nicholas is an Assistant Clinical Research Coordinator with the UCSF Department of Psychiatry at San Francisco General Hospital, researching the integration of mental health and primary care.





Complete person-level data for "Toward a dynamic model of psychological assessment: Implications for personalized care." Syntax for R and LISREL procedures included.


Dynamic RSA



Current Studies

Interested in Participating?

(510) 664-4705


(510) 664-4705



university of california, berkeley


G39 Research Suite

Tolman Hall

Berkeley, CA 94720

United States

James Boswell - SUNY Albany

Chris Fairholme - Idaho State University

Peter Molenaar - Penn State University

Michelle Newman - Penn State University

C. Barr Taylor - Stanford University

Steven Woodward - National Center for PTSD

Aidan Wright - University of Pittsburgh

Christine Nguyen


Christine Nguyen joined the Idiographic Dynamics lab as a research assistant in 2014 and has been a lab manager since February 2016. She will graduate from UC Berkeley in May 2016 with a B.A. in psychology, with minors in both education and dance. She currently supervises a team of research assistants in cleaning cardiac impedance data and administers Structured Clinical Interviews and Cognitive Assessments to both clinical and control participants. In her free time, she enjoys all things Disney, including watching Disney movies and visiting Disneyland as much as possible.

©2015 - Nick Riano. All Rights Reserved.

Images © Jimmy Yao, Joe Parks, and Daniel Parks. Used with permission.