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- Title
The Perceptual Organisation of Visual Elements: Lines.
- Authors
Albertazzi, Liliana; Canal, Luisa; Micciolo, Rocco; Hachen, Iacopo
- Abstract
The aim of this study is to verify the conditions under which a series of visual stimuli (line segments) will be subjectively perceived as visual lines or surfaces employing four experiments. Two experiments were conducted with the method of subjective evaluation of the line segments, and the other two with the Osgood semantic differential. We analysed five variables (thickness, type, orientation, and colour) potentially responsible for the lines' categorisation. The four experiments gave similar results: higher importance of the variables thickness and type; general lower significance of the variable colour; and general insignificance of the variable orientation. Interestingly, for the variable type, straight lines are evaluated as surfaces more frequently than curved lines and perceived as geometrical, flat, hard, static, rough, sharp, bound, sour, frigid, masculine, cold and passive. Curved lines are prevalently evaluated as lines, and categorised as organic, rounded, soft, dynamic, fluffy, blunt, free, sweet, sensual, feminine, warm and active. These results highlight the specificity of perceptual characteristics for the considered variables and confirm the relevance of the characteristics of variables such as thickness and type.
- Subjects
SEMANTIC differential scale; VISUAL perception; ORGANIZATION
- Publication
Brain Sciences (2076-3425), 2021, Vol 11, Issue 12, p1585
- ISSN
2076-3425
- Publication type
Article
- DOI
10.3390/brainsci11121585