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. 2016 Feb 23;7:237. doi: 10.3389/fpsyg.2016.00237

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Copyright © 2016 Panton, Badcock and Badcock.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Panel (1)/(2) represent stimuli from the JOVI task (Personal communication from Prof. Silverstein, July 10, 2015) Panel (1) shows a rightward pointing “egg” shape, outlined in Panel (2). Participants must correctly discriminate the direction of each fragmented stimulus. Panel (3) is similar to an item from the standard Embedded Figures Test (EFT; Witkin et al., 1971). The subject is required to find where “Shape ii” is inside “Shape i” by tracing it inside the shape. Panel (4) displays the correct answer for this item. Panel (5) is similar to an example from the Hidden Figures Test (HFT; Ekstrom et al., 1976), where an individual decides which of the five options (A–E) are found in “Shape iii” [with the correct answer (E) outlined on “Shape iii”]. The type of closed-contour stimulus used in Panel (3)/(4)/(5) is distinctly different from the fragmented stimuli shown in Panel (1)/(2).