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The planet Saturn is a familiar image for us, but it presents perceptual peculiarities that impeded the discovery of its structure and which can still be misleading today. Saturn appears to be surrounded by rings which hide it to a certain extent and then continue behind the outline of the planet. What we perceive is the result of a double amodal c...
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Context 1
... figural completion in Figure 2(c), hypothesized above for Galileo's sketch of Saturn, may have influenced the images that contemporary astronomers drew to illustrate the planet. Figure 3 reproduces the compendium created by Huygens (1659) in his Systema Saturnium to give a synthesis of the images of Saturn drawn by different observers from 1610 to 1646. Note the presence of the central disk in almost all the sketches, a demonstration that the completion of the central figure persists despite the different appearances of the rings. ...
Context 2
... all the other astronomers who followed Galileo in his astronomic exploration collected so many and different images of Saturn that neither the ''satellite pattern'' nor the alternative models could give a meaning to the different appearances of the planet. As one can see in Figure 3, the ''gestalt switch'' is far from being attained. Whether additional information or a gestalt-like restructuring are needed will be examined in the following sections. ...
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Citations
... Rather than being a limited topic of purely academic interest, amodal completion appears to play a pervasive role in our lives. The present special issue provides a wealth of beautiful phenomena and experimental contributions involving amodal completion, using abstract stimuli to test Gestalt-like processing, both in static displays (Chen et al., 2018;Peta et al., 2019) and dynamic displays (Anstis, 2018;Nakajima et al., 2019;Tyler, 2019), or more complex stimuli, for example, using stereoscopic fusion (Tse, 2017a(Tse, , 2017b or human faces (Haberman & Ulrich, 2019), whereas other contributions highlight completion phenomena in a broad range of domains like art and design (Koenderink et al., 2018;van Lier & Ekroll, 2019), magic (Ekroll, De Bruyckere, et al., 2018), architecture (Ekroll, Mertens, et al., 2018), fashion (Kiritani et al., 2018), and even the history of astronomy (Roncato, 2019). Besides that, this special issue also comprises extensive conceptual reviews from different angles: perceptual psychology (Gerbino, 2020;Scherzer & Faul, 2019), philosophy (Nanay, 2018), and neurosciences (Thielen et al., 2019). ...
... Critical notes and thoughtful insights on the nature of amodal completion are scattered throughout the aforementioned contributions, focusing on issues such as the distinction and commonalities between modal and amodal completion (e.g., Koenderink et al., 2018;Scherzer & Faul, 2019;Tse, 2017aTse, , 2017b, the perception-cognition dichotomy (e.g., Ekroll, Mertens, et al., 2018;Gerbino, 2020;Nanay, 2018;Roncato, 2019;van Lier & Ekroll, 2019), or the nature of the underlying representations (e.g., Gerbino, 2020;Haberman & Ulrich, 2019;Koenderink et al., 2018;Scherzer & Faul, 2019;Thielen et al., 2019). One issue stands out when considering the diversity of the present collection of papers. ...
