School of Medicine


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  • Martin Tik

    Martin Tik

    Affiliate, Psychiatry and Behavioral Sciences

    BioDr. Tik is a Visiting Scholar at the Stanford Brain Stimulation Lab and Group Leader at the Medical University of Vienna. His research bridges neuroimaging and brain stimulation to uncover mechanisms of therapeutic neuromodulation.

    With a background in Biological Psychology and Medical Physics, Dr. Tik has developed innovative methods for integrating Transcranial Magnetic Stimulation with functional Magnetic Resonance Imaging (TMS-fMRI), enabling real-time measurement of stimulation-induced brain activity. His lab (http://tmsfmri.com) advances these tools toward individualized, state-dependent stimulation paradigms and closed-loop applications.

    Building on his long-standing collaboration with the Stanford Brain Stimulation Lab, Dr. Tik works closely with Dr. Nolan Williams and colleagues to translate these neurotechnological innovations into clinical research. This ongoing Vienna–Stanford partnership aims to optimize stimulation parameters and dosing strategies for personalized TMS therapy and a better general understanding of brain circuitry in health and disease.

  • Jahnia Gabrielle Treadwell

    Jahnia Gabrielle Treadwell

    Staff, Psychiatry and Behavioral Sciences

    BioJahnia Treadwell is a Clinical Psychology doctoral student at the PAU-Stanford PsyD Consortium, graduating in 2030. Originally from Allentown, PA, and now in San Jose, CA, she holds a BA in Psychology from Bucknell University.

    As an undergraduate, Jahnia completed an 80-hour certification at Transitions of PA to become an advocate counselor for the domestic violence crisis shelter. Her work in the Safe House and Housing Department strengthened her dedication to trauma-informed care and serving vulnerable populations.

    Her clinical interests include trauma-informed therapy for at-risk youth and adults, emphasizing culturally responsive and spiritually integrated care. She plans to launch a private practice LLC offering Christian therapy and holistic wellness. Her long-term vision includes a multidisciplinary healing space with massage and acupuncture, an Autonomous Sensory Meridian Response (ASMR) clinic, and a soul cycling studio—uniting mental health, physical restoration, and spiritual renewal.

  • Laura Turner-Essel, PhD

    Laura Turner-Essel, PhD

    Program Manager, Psychiatry and Behavioral Sciences

    Current Role at StanfordProgram Manager, Department of Psychiatry and Behavioral Sciences