Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2015 Apr 14;5(4):e549. doi: 10.1038/tp.2015.46

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2015 Macmillan Publishers Limited

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

PMC Copyright notice

(a) Brain maps obtained with Statistical Parametric Mapping (SPM) showing significant differences in D₂/D₃R availability, which was quantified as nondisplaceable binding potential (BP_ND), between placebo and caffeine for the contrast caffeine >placebo. Threshold for significance corresponds to P_u<0.01, clusters >100 voxels. (b) Individual values for BP_ND from measures extracted in dorsal putamen and in ventral striatum after placebo and after caffeine.