TY - RPRT TI - The hemodynamic initial-dip consists of both volumetric and oxymetric changes correlated to localized spiking activity AU - Ali Danish Zaidi AU - Niels Birbaumer AU - Eberhard Fetz AU - Nikos Logothetis AU - Ranganatha SItaram PY - 2018 DO - 10.1101/259895 UR - https://www.biorxiv.org/content/10.1101/259895v1 ID - 10.1101/259895 ER -