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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: Cogn Affect Behav Neurosci. 2010 Mar;10(1):94–106. doi: 10.3758/CABN.10.1.94

Figure 1.

Figure 1

Experimental design. Each experimental run consisted of two detection-only blocks, one unpleasant block, and one neutral block. During the unpleasant and neutral blocks, pictures were presented for 3 seconds and immediately followed by a sequence of eight target-detection trials. Participants were instructed to attend to each picture for as long as it was displayed and to press a button with the right index finger as quickly as possible after target onset. After eight target-detection trials, a new picture appeared on the screen. In the detection-only blocks, a 3-s black screen preceded the sequence of target-detection trials. Stimuli are not drawn to scale.