Steven T. Walston, PhD

Assistant Professor Of Research Ophthalmology

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Overview

Steven Walston, PhD, is a retinal electrophysiologist and biomedical engineer specializing in the development and implementation of neural interface technologies. His research has focused on investigating electrical stimulation strategies to restore vision with retinal prostheses and on understanding neural effects of retinal degeneration. Additionally, his research has focused on the development of nanomaterial-based electrode technologies and their integration into flexible thin-film microelectrode arrays in efforts to further enhance the quality communication at the electrode-neural tissue interface.

Awards

  • NIH: NIH Intramural Research Training Award, 2009
  • NEI: NEI EY022931-S1, 2013
     – 2016
  • Artificial Vision Symposium Travel Grant, 2015
  • William Hansen Sandberg Memorial Foundation Scholarship, 2015

Education and Training

  • Vanderbilt University, Nashville, TN — BE — 2010 — Biomedical Engineering
  • University of Southern California, Los Angeles, CA — PhD — 2016 — Biomedical Engineering
  • National GEM Consortium Fellowship — 2015 — Funding supported Postdoctoral research
  • Whitaker International Scholarship — 2018 — Funding supported Postdoctoral research

Publications

  • Extraocular Electrical Stimulation Activates Retinal Ganglion Cells In Vivo. bioRxiv. 2026 Sep 16.. View in PubMed
  • Population-scale analysis of frequency-dependent calcium dynamics in retinal ganglion cells under electric field stimulation. Sci Rep. 2026 Apr 24; 16(1).. View in PubMed
  • Population-Scale Analysis of Frequency-Dependent Calcium Dynamics in Retinal Ganglion Cells Under Electric Field Stimulation. bioRxiv. 2026 Jan 25.. View in PubMed
  • Best Practices for Delivering Neoadjuvant Therapy in Pancreatic Ductal Adenocarcinoma. JAMA Surg. 2025 Feb 01; 160(2):172-180.. View in PubMed
  • Decoding sensorimotor information from somatosensory cortex by flexible epicorticalμECoG arrays in unrestrained behaving rats. J Neural Eng. 2024 11 27; 21(6).. View in PubMed
  • Graphene-based microelectrodes with bidirectional functionality for next-generation retinal electronic interfaces. Nanoscale Horiz. 2024 10 21; 9(11):1948-1961.. View in PubMed
  • Engineered Graphene Material Improves the Performance of Intraneural Peripheral Nerve Electrodes. Adv Sci (Weinh). 2024 08; 11(29):e2308689.. View in PubMed
  • Nanoporous graphene-based thin-film microelectrodes for in vivo high-resolution neural recording and stimulation. Nat Nanotechnol. 2024 04; 19(4):514-523.. View in PubMed
  • Calcium Imaging In Electrically Stimulated Flat-Mounted Retinas. J Vis Exp. 2023 08 18.. View in PubMed
  • Impact of Retinal Degeneration on Response of ON and OFF Cone Bipolar Cells to Electrical Stimulation. IEEE Trans Neural Syst Rehabil Eng. 2023; 31:2424-2437.. View in PubMed