Consciousness and Cognition 20 (4):1649-1658 (2011)

Abstract
The present study was designed to explore the performance costs of negative emotional stimuli in a vigilance task. Forty participants performed a vigilance task in two conditions: one with task-irrelevant negative-arousing pictures and one with task-irrelevant neutral pictures. In addition to performance, we measured subjective state and frontal cerebral activity with near infrared spectroscopy. Overall performance in the negative picture condition was lower than in the neutral picture condition and the negative picture condition had elevated levels of energetic arousal, tense arousal and task-related thoughts. Moreover, there was a significant relationship between the impact of the negative pictures on tense arousal and task-related thoughts and the impact of the negative pictures on performance . These results provide support for indirect cost models of negative emotional stimuli on target detection performance
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DOI 10.1016/j.concog.2011.08.015
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References found in this work BETA

Emotion Drives Attention: Detecting the Snake in the Grass.Arne Öhman, Anders Flykt & Francisco Esteves - 2001 - Journal of Experimental Psychology: General 130 (3):466.

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Natural Scene Stimuli and Lapses of Sustained Attention.James Head & William S. Helton - 2012 - Consciousness and Cognition 21 (4):1617-1625.

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