Neuroticism and vigilance revisited: A transcranial doppler investigation |
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| Affiliation: | 1. Department of Psychology, George Mason University, 4400 University Drive, Fairfax, VA 22031, United States;2. Department of Psychology, Pacific Lutheran University, Tacoma, WA 98447, United States;1. Institute of Cardiovascular Science, University College London, London, W1T 7DN, UK;2. National Institute for Health Research, University College London Hospitals Biomedical Research Centre, London, W1T 7DN, UK;3. Novartis Pharma AG, CH-4002, Basel, Switzerland;4. Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA;5. Jichi Medical School, Tochigi, 329-0498, Japan;6. Department of Cardiology, University of Cardiff, CF 14 4XN, Wales, UK;1. Universitat Pompeu Fabra (UPF), Department of Experimental and Health Sciences, Spain;2. Health Services Research Unit, IMIM-Institut Hospital del Mar d’Investigacions Mèdiques, Spain;3. CIBER Epidemiología y Salud Pública (CIBERESP), Spain;4. INAD-Institut de Neuropsiquiatria i Addiccions, Parc de Salut Mar, Barcelona, Spain;1. Univ. Grenoble Alpes, LPNC, F-38000 Grenoble, France;2. CNRS, LPNC, F-38000 Grenoble, France;1. The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, 5290002, Israel;2. Department of Psychology and Gonda Brain Research Center, Bar-Ilan University, Ramat Gan, 5290002, Israel |
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| Abstract: | Selecting for vigilance assignments remains an important factor in human performance research. The current study revisits the potential relationship between vigilance performance and trait neuroticism, in light of two possible theories. The first theory suggests that neuroticism impairs vigilance performance by competing for available resources. The second theory, attentional control theory, posits that high neuroticism can result in similar or superior performance levels due to the allocation of compensatory effort. In the present study, Transcranial Doppler Sonography was used to investigate the neurophysiological underpinnings of neuroticism during a 12-min abbreviated vigilance task. Performance results were not modified by level of neuroticism, but high neuroticism was associated with higher initial CBFV levels and a greater CBFV decrement over time. These findings indicate that participants higher in neuroticism recruited additional cognitive resources in order to achieve similar performance, suggesting that there is more of an effect on processing efficiency than effectiveness. |
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| Keywords: | Vigilance Sustained attention Neuroticism Anxiety Transcranial doppler sonography Resource theory Attentional control theory |
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