local processing bias
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2021 ◽  
Author(s):  
Kelly Robles ◽  
Alex Bies ◽  
Stefanos Lazarides ◽  
Margaret Sereno

Abstract Accurate shape perception is critical for object perception, identification, manipulation, and recreation. Humans are capable of making judgements of both objective (physical) and projective (retinal) shape. Objective judgements benefit from a global approach by incorporating context to overcome the effects of viewing angle on an object’s shape, whereas projective judgements benefit from a local approach to filter out contextual information. Realistic drawing skill requires projective judgements of 3D targets to accurately depict 3D shape on a 2D surface, thus benefiting from a local approach. The current study used a shape perception task that comprehensively tests the effects of context on shape perception, in conjunction with a drawing task and several measures of local processing bias, to show that the perceptual basis of drawing skill in neurotypical adults is not due to a local processing bias but to perceptual flexibility, the ability to process local or global information as needed.


2018 ◽  
Vol 4 (1) ◽  
pp. 262-279
Author(s):  
Penny Spikins ◽  
Callum Scott ◽  
Barry Wright

AbstractTraits in Upper Palaeolithic art which are also seen in the work of talented artists with autism, including most obviously an exceptional realism, remain to be explained. However any association between the famously evocative animal depictions created in the European Upper Palaeolithic and what is commonly seen as a ‘disorder’ has always been contentious. Debate over these similarities has been heated, with explanations ranging from famous works of Upper Palaeolithic art having been created by individuals with autism spectrum conditions, to being influenced by such individuals, to being a product of the use of psychotropic drugs. Here we argue that ‘autistic traits’ in art, such as extreme realism, have been created by individuals with a cognitive extreme of local processing bias, or detail focus. The significance of local processing bias, which is found both as a feature of autism spectrum conditions and in artists with exceptional talent at realistic depiction who aren’t autistic, has implications for our understanding of Upper Palaeolithic society in general, as well as of the roles played by individuals with autism spectrum conditions.


2016 ◽  
Vol 46 (11) ◽  
pp. 3481-3492 ◽  
Author(s):  
Alastair D. Smith ◽  
Lorcan Kenny ◽  
Anna Rudnicka ◽  
Josie Briscoe ◽  
Elizabeth Pellicano

2012 ◽  
Vol 29 (7-8) ◽  
pp. 584-600 ◽  
Author(s):  
Mila Vulchanova ◽  
Joel B. Talcott ◽  
Valentin Vulchanov ◽  
Margarita Stankova ◽  
Hendrik Eshuis

2011 ◽  
Vol 49 (3) ◽  
pp. 352-359 ◽  
Author(s):  
Thomas M. Van Vleet ◽  
Albert K. Hoang-duc ◽  
Joseph DeGutis ◽  
Lynn C. Robertson

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