TY - RPRT TI - Visuospatial n-back test for early detection of mild cognitive impairment in patients with Parkinsons Disease : an fMRI study AU - Kawashima, S. AU - Shimizu, Y. AU - Ueki, Y. AU - Matsukawa, N. PY - 2020 DO - 10.1101/2020.03.03.974725 UR - https://www.biorxiv.org/content/10.1101/2020.03.03.974725v1 ID - 10.1101/2020.03.03.974725 ER -