The IEEE Brain Initiative will be hosting a one-day workshop on November 2nd, 2017, following the SENSORS 2017 meeting. The theme of the IEEE Brain SENSORS workshop will be on "Sensing the Brain", with a focus on invasive sensors and sensing technology. Unlike traditional lecture style workshops, the IEEE Brain SENSORS workshop will be collaborative in nature and will include only a few short presentations that are intended to facilitate discussions. The goal is for all participants to identify challenges and to explore solutions as part of breakout group dialogues. The outcomes of this one-day workshop will be included in a future IEEE publication.