1. Voluntary modulation of mental effort investment: an fMRI study. Issue 1 (December 2017) Authors: Khachouf, Omar; Chen, Gang; Duzzi, Davide; Porro, Carlo; Pagnoni, Giuseppe Journal: Scientific reports Issue: Volume 7:Issue 1(2017) Page Start: 1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗