RAD LAB
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Director


​Greg Hajcak, Ph.D. 
PhD, University of Delaware (2006)
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Professor
Director, MRI Research Facility
Department of Psychology 
Department of Biomedical Sciences
Florida State University
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hajcak@gmail.com 

Curriculum Vitae
​850.645.9268


Office:  Psychology B439            
Lab:      Psychology A411 
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Interviews
  • ​Society for Psychophysiological Research Student Newsletter interview, Spring 2008
  • Association for Psychological Science, 2011 "rising star"
  • Society for Psychophysiological Research, Spring 2012 Early Career Award
  • Janet Taylor Spence Award for Transformative Early Career Contributions 2012

Postdoctoral Researchers

Aiden Payne
PhD, Georgia Institute of Technology and Emory University (2019)

I’m interested in the use of EEG to investigate relationships between cognitive, motor, and affective problems in children with neurodevelopmental disorders to guide assessment and intervention. My present work focuses on the relationship between anxiety and standing balance control. Specifically, I will compare a brain response elicited by a sudden balance disturbance to an anxiety-related brain response elicited by mistakes in a simple cognitive task in children with and without anxiety disorders, and in response to an anxiety-related intervention.

Curriculum Vitae

payne@psy.fsu.edu
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Doctoral Students

Liz Mulligan 
Clinical Psychology, Clinical Psychology Resident at the University of Illinois at Chicago (UIC)

My research examines the role of interplay between neural and endocrine systems in precipitating mood and anxiety disorders in women. Long-term goals of this line of research will be to develop screening protocols for internalizing disorders in women experiencing hormonal transition (e.g., puberty, hormonal cycling, pregnancy, and menopause) that leverage neural and hormonal biomarkers, and to develop interventions that target neural and hormonal correlates to mitigate depression and anxiety.

Curriculum Vitae
mulligan@psy.fsu.edu
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Kreshnik Burani 
Clinical Psychology, Intern at The Charleston Consortium Psychology
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My research interests are concerned with the etiology and maintenance of anxiety and mood disorders. Specifically, I am interested in combining psychophysiological (e.g., ERPs, startle reflex) and self-report measures to study symptoms and constructs of these disorders to better understand their trajectory. Moreover, I am interested in exploring if psychophysiological measures can help identify at-risk individuals.

Curriculum Vitae
kburani@gmail.com
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Colin Bowyer
Clinical Psychology, 6th Year

I’m interested in the construct of reward-sensitivity and related networks. My goal is to disentangle relationships between physiological, behavioral, and self-report measures of reward in an effort to better understand reward-sensitivity as a trait dimension.

Curriculum Vitae

bowyer@psy.fsu.edu
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Austin Gallyer
Neuroscience, 6th Year

My research focuses on understanding the neural networks that may play a role in the transition from thinking about suicide to engaging in suicidal behavior. Specifically, I’m interested in discovering the distinct yet interdependent roles of the areas in the salience network, and how dysfunction in this network may lead to reduced fear of death and suicide. My current work leverages virtual reality to approximate suicidal behavior in the lab, and continuous theta-burst stimulation to manipulate the activity of the salience network. ​

Curriculum Vitae

agallyer@neuro.fsu.edu
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​Melissa Meynadasy
Clinical Psychology, 5th Year

My research examines the cognitive, emotional, and functional changes involved in aging. I am interested in using event-related potentials (ERPs) to identify neural risk markers of cognitive decline and dementia. I am also interested in emotion regulation processes and their involvement in psychopathology within older adult populations. Further, I am interested in the development of prevention and intervention programs for dementias such as Alzheimer’s Disease and psychopathology (e.g. Depression) in older adults.

Curriculum Vitae
meynadasy@psy.fsu.edu
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Jess Simon
Neuroscience, 5th Year
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My research focuses on parsing neural correlates of effort and reward. I am interested in developing novel tasks to better understand the functionality of event-related potentials (ERPs), specifically the P300. Furthermore, I aim to use this knowledge to relate depressive symptoms, such as apathy and anhedonia, to psychophysiological measures.

Curriculum Vitae
simon@psy.fsu.edu
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Alex Kallen
Clinical Psychology, 4th Year
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My research examines how psychophysiological and behavioral measures relate to both current and future externalizing symptoms in youth. I have specific interests in inhibitory control deficits, and how various correlates can help inform those at the greatest risk of worsening externalizing symptoms. My long-term goals include validating risk markers for future substance use, aggression, and disinhibited behavior to bolster early intervention efforts. ​
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Curriculum Vitae
amk13f@fsu.edu
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​​Nicholas Santopetro
Clinical Psychology, 3rd Year

I want to examine whether ERPs can be used to distinguish different phenotypes of psychopathology, with an emphasis on teasing apart neural markers unique to comorbid anxiety and depression. Moreover, I am interested in trying to modulate certain ERPs among internalizing populations to see if increasing or decreasing these specific brain activity can help reduce certain symptoms or risk for those disorders.
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Curriculum Vitae
​santopetro@fsu.edu
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Brittney Thompson
Clinical Psychology, 2nd Year

My research interests involve using psychophysiological measures such as EEGs to predict treatment outcome for patients with mood and anxiety disorders. My long term goals are to use neuromodulation techniques alongside psychophysiological measures to create more effective interventions for depressive disorders.
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bt21f@fsu.edu
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​RAD Lab Alumni

Postdoctoral Scholars & Graduate Students

Julia Klawohn, Ph.D.  (Postdoctoral Scholar, 2017-2019), 
A. Hunter Threadgill, Ph.D. (Postdoctoral Scholar, 2019-2020), 
CJ Brush, Ph.D. (Postdoctoral Scholar, 2019-2022)
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Jon Rayn (Graduate, 2022)

Lab Coordinators

Lauren Keith
keith@psy.fsu.edu
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Geffre Jean Francois
gj20b@fsu.edu
Andrew Garron
​garron@psy.fsu.edu

DIS and Volunteer Research Assistants


Shelbie Bobrow
Anabel Dorfman
Caitlin Parvizi
Jenna Pennella
Kira St. Juste
Chandler Nielson
Gwyneth Clark
Matthew Fantini
​Josephine Watson
Mark Banky​


Mary Metro
Elijah Toomey
Caitlin Huyck
Elaina Kokinakos
Haley Nichols
Stephen Jensen
Dorothy Ripps
Briana Riahifar
Laine Nuessle
Christian Porter


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If you are interested in joining the RAD Lab as a DIS student or volunteer, please send a completed application and your resume/cv to hajcaklab@gmail.com.

Florida State University
​1107 West Call St
Psychology Dept. Bldg. A411

Tallahassee, FL 32306
850.644.9869
hajcaklab@gmail.com
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​Innovation Park
​2010 Levy Ave
​Suite B0267

​Tallahassee, FL 32310
​850.320.7087

hajcakip@gmail.com   ​
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