The Effects of the Environment on the Drawings of an Extraordinarily Productive Orangutan (Pongo pygmaeus) Artist

We report on the case of an extraordinary orangutan who spontaneously produced over a thousand drawings in 5 years. This female orangutan, Molly, started drawing when she was estimated to be 50 years old. Although it has been established that great apes spontaneously draw without training, she produ...

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Bibliographic Details
Published in:Frontiers in psychology 2019-09, Vol.10, p.2050-2050
Main Authors: Hanazuka, Yuki, Kurotori, Hidetoshi, Shimizu, Mika, Midorikawa, Akira
Format: Article
Language:English
Subjects:
aging
drawing behavior
environmental effects
evaluation of drawings
orangutan (Pongo pygmaeus)
Psychology
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Summary:We report on the case of an extraordinary orangutan who spontaneously produced over a thousand drawings in 5 years. This female orangutan, Molly, started drawing when she was estimated to be 50 years old. Although it has been established that great apes spontaneously draw without training, she produced an enormous number of paintings in her old age, and the numbers of lines and colors in her drawings varied from day to day. As her drawings seemed to be affected by her surroundings, we attempted to analyze quantitatively relationships between her drawings and potentially influential factors during a specific period in which no ostensibly major events were observed. According to our results, her drawings were affected by the identity of her keeper, implying that her drawing behavior may have been affected by environmental factors. Thus, drawings may serve as windows to the internal states of non-human primates.
ISSN:1664-1078
1664-1078
DOI:10.3389/fpsyg.2019.02050