NeurosciencePublished 21 August 2014In vivo monitoring of glial scar proliferation on chronically implanted neural electrodes by fiber optical coherence tomographyYijing Xie · Nadja Martini · Christina Hassler · Robert D. Kirch · Thomas Stieglitz · Andreas Seifert · Ulrich G. HofmannFrontiers in Neuroengineeringdoi 10.3389/fneng.2014.00034