The major brain areas associated with the pleasurability of active scratching as revealed by GLM regression analysis.
figureposted on 2013-12-06, 03:27 authored by Alexandru D. P. Papoiu, Leigh A. Nattkemper, Kristen M. Sanders, Robert A. Kraft, Yiong-Huak Chan, Robert C. Coghill, Gil Yosipovitch
Regions which were activated (red) or deactivated (blue) by scratching are depicted. __(solid line) = positive correlation; ---- (dashed line) = inverse correlation with pleasurability ratings. Box size for each area is proportional to the magnitude of Z scores obtained in the regression analysis.