Natural scene stimuli and lapses of sustained attention |
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| Institution: | 1. School of Medicine, Nankai University, Tianjin 300071, China;2. Department of Neurology, The Second Medical Center, Sleep Medicine Research Center, National Clinical Research Centre for Geriatric Diseases, Chinese PLA General Hospital, Beijing 100853, China;3. The Eighth Medical Center of the General Hospital of People’s Liberation Army, Beijing 100091, China;4. Airforce Medical Center, PLA, Beijing 100142, China;5. National Clinical Research Centre for Geriatric Diseases, Second Medical Center, Chinese PLA General Hospital, Beijing 100853, China;6. Brainnetome Center, Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China;7. National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China;8. CAS Center for Excellence in Brain Science and Intelligence Technology, Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China;9. University of Chinese Academy of Sciences, Beijing 100049, China;10. School of Psychology, Beijing Sport University, Beijing 100084, China;11. School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China;12. Beijing Institute of Basic Medical Sciences, Beijing 100850, China;1. Department of Psychology, University of Bath, Bath, United Kingdom;2. Department of Experimental Psychology, University of Oxford, Oxford, United Kingdom;1. Department of Neuroscience, School of Advanced Medical Technologies, Tehran University of Medical Sciences, Tehran, Iran;2. Iranian National Center for Addiction Studies, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran;3. Department of Biochemistry, Pasteur Institute of Iran, Tehran, Iran;4. Department of Physiology and Pharmacology, Pasteur institute of Iran, Tehran, Iran;5. Department of Pharmacology, Tehran University of Medical Sciences, Tehran, Iran |
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| Abstract: | 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 completed a Sustained Attention to Response Task (SART) using the stimuli from experiment 1. Participants performed significantly worse on this SART than either brain injury patients or controls performing equivalent numeric stimuli SARTs have in previous studies. Participants thought the task was demanding and they were actively engaged with the task. Overall, the results of both studies support a resource theory of sustained attention lapses, not a mindlessness theory. |
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