期刊
BRITISH JOURNAL OF PSYCHOLOGY
卷 107, 期 2, 页码 299-321出版社
WILEY-BLACKWELL
DOI: 10.1111/bjop.12143
关键词
arousal; attention; time-of-day; visuo-spatial attention
资金
- Interdisciplinary Centre for Clinical Research 'BIOMAT' within Faculty of Medicine at the RWTH Aachen University [IZKF/N43]
Time-of-day variation of visuo-spatial attention in relation to body temperature and subjective arousal was assessed. At five different times of day, alertness, covert, and overt orienting of attention were assessed in fifteen healthy subjects. Based on previous studies reporting a tight coupling of alerting and orienting the present study investigates potential attentional asymmetries induced by diurnal variations of arousal. Both covert and overt orienting of attention improved in the course of the day. However, no asymmetries between left and right visual hemifields could be detected. Covert orienting additionally covaried with body temperature, indicating a quite close relation between the attentional arousal and orienting system. Conversely, overt orienting only improved due to repeated testing but did not correlate with body temperature suggesting a partial independence of both modes of attentional orienting. It can be assumed that due to limited diurnal variations of arousal in the participants and practice effects caused by repeated testing, no attentional asymmetries could be provoked.
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