Cogan, Stuart F.

 

Stuart Cogan joined the UT Dallas faculty as a professor of bioengineering in 2014. In 2016 he was inducted into the American Institute for Medical and Biological Engineering College of Fellows for "outstanding contributions to the understanding of the electrochemistry and properties of neural stimulation and recording electrodes.” Dr. Cohen is also the Principal Investigator for the Neural Interfaces Laboratory at UT Dallas. His research interests focus on materials and devices for stimulation and recording of the nervous system with the goal of "the development and characterization of materials and devices that are stable in long-term chronic implants and that safely provide therapeutic levels of stimulation." This includes:

  • the fabrication of thin film multielectrode devices,
  • the development of implantable encapsulation,
  • electrochemical characterization and long-term testing in the laboratory and in vivo, and
  • the study of stimulation-induced electrode and tissue damage mechanisms.

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Recent Submissions

  • Electrodeposited Iridium Oxide on Carbon Fiber Ultramicroelectrodes for Neural Recording and Stimulation 

    Deku, Felix; Joshi-Imre, Alexandra; Mertiri, A.; Gardner, T. J.; Cogan, Stuart F.
    Host encapsulation decreases the ability of chronically implanted microelectrodes to record or stimulate neural activity. The degree of foreign body response is thought to depend strongly on the cross-sectional dimensions ...

  • Thinking Small: Progress on Microscale Neurostimulation Technology 

    Pancrazio, Joseph J.; Deku, Felix; Ghazavi, Atefeh; Stiller, Allison M.; Rihani, Rashed; Frewin, Christopher L.; Varner, Victor D.; Gardner, Timothy J.; Cogan, Stuart F. (Wiley, 2018-10-22)
    Objectives: Neural stimulation is well-accepted as an effective therapy for a wide range of neurological disorders. While the scale of clinical devices is relatively large, translational, and pilot clinical applications ...

  • Amorphous Silicon Carbide Ultramicroelectrode Arrays for Neural Stimulation and Recording 

    Deku, Felix; Cohen, Yarden; Joshi-Imre, Alexandra; Kanneganti, Aswini; Gardner, Timothy J.; Cogan, Stuart F. (2018-10-22)
    OBJECTIVE: Foreign body response to indwelling cortical microelectrodes limits the reliability of neural stimulation and recording, particularly for extended chronic applications in behaving animals. The extent to which ...