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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Magn Reson Imaging. 2011 Nov 12;30(2):261–270. doi: 10.1016/j.mri.2011.09.006

Fig. 1.

Fig. 1

Schematic timeline design of three phMRI scans. Distilled water/ l-THP was intravenously infused at the 5th minute into the 60-min scan in Scans I to III, and saline/naloxone was intravenously infused at the 25th minute into the 60-min scan of Scans I and III.