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. 2016 Jan 4;6:18460. doi: 10.1038/srep18460

Figure 1. fMRI Paradigm and Photographs.

Figure 1

Used as Visual Stimuli (a) Schematic showing fMRI stimulus and instruction presentation paradigm and (b) Photographs representing positive, ambiguous and negative emotions. Photographs were shot indoors in black and white with a 50 mm lens at f16 using a Nikon D700 digital SLR camera.