Authors
Andrew D Wilson, Geoffrey P Bingham, James C Craig
Publication date
2003/12
Journal
Journal of Experimental Psychology: Human Perception and Performance
Volume
29
Issue
6
Pages
1179
Publisher
American Psychological Association
Description
Previous work has established that judgments of relative phase variability of 2 visually presented oscillators covary with mean relative phase. Ninety degrees is judged to be more variable than 0 or 180, independently of the actual level of phase variability. Judged levels of variability also increase at 180. This pattern of judgments matches the pattern of movement coordination results. Here, participants judged the phase variability of their own finger movements, which they generated by actively tracking a manipulandum moving at 0, 90, or 180, and with 1 of 4 levels of Phase Variability. Judgments covaried as an inverted U-shaped function of mean relative phase. With an increase in frequency, 180 was judged more variable whereas 0 was not. Higher frequency also reduced discrimination of the levels of Phase Variability. This matching of the proprioceptive and visual results, and of both to movement results …
Total citations
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Scholar articles
AD Wilson, GP Bingham, JC Craig - … of Experimental Psychology: Human Perception and …, 2003