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  1.  50
    Natural scene stimuli and lapses of sustained attention.James Head & William S. Helton - 2012 - Consciousness and Cognition 21 (4):1617-1625.
    We conducted two experiments using naturalistic scene stimuli to test the resource theory and mindlessness theory of sustained attention. In experiment 1, 28 participants completed a traditional formatted vigilance task consisting of non-repeating forest or urban picture stimuli as target stimuli. Participants filled out pre- and post-task assessments of arousal and conscious thoughts. There was still a vigilance decrement, despite non-repetitive, natural target stimuli. Participants found the task demanding and were actively engaged in the task. In experiment 2, 25 participants (...)
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  2.  20
    Natural disaster induced cognitive disruption: Impacts on action slips.William S. Helton, James Head & Simon Kemp - 2011 - Consciousness and Cognition 20 (4):1732-1737.
    Previous research has indicated an increase in stress levels and cognitive intrusions after natural disasters. These previous studies have not, however, assessed the impact disaster induced cognitive disruption has on human performance. In the present report, we investigated the impact of the 7.1 magnitude 2010 Christchurch, New Zealand earthquake on self-reported earthquake-induced cognitive disruption and its relationship to performance on the Sustained Attention to Response Task . Participants who self-reported greater cognitive disruption induced by the earthquake also had higher levels (...)
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  3.  43
    Perceptual decoupling or motor decoupling?James Head & William S. Helton - 2013 - Consciousness and Cognition 22 (3):913-919.
    The current investigation was conducted to elucidate whether errors of commission in the Sustained Attention to Response Task are indicators of perceptual or motor decoupling. Twenty-eight participants completed SARTs with motor and perceptual aspects of the task manipulated. The participants completed four different SART blocks whereby stimuli location uncertainty and stimuli acquisition were manipulated. In previous studies of more traditional sustained attention tasks stimuli location uncertainty reduces sustained attention performance. In the case of the SART the motor manipulation , but (...)
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