New indices to characterize drawing behavior in humans (Homo sapiens) and chimpanzees (Pan troglodytes)

Abstract Techniques used in cave art suggest that drawing skills emerged long before the oldest known representative human productions (44,000 years bc). This study seeks to improve our knowledge of the evolutionary origins and the ontogenetic development of drawing behavior by studying drawings of...

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Autores principales:	Lison Martinet, Cédric Sueur, Satoshi Hirata, Jérôme Hosselet, Tetsuro Matsuzawa, Marie Pelé
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/39d043f5b5c8432a932192fd02bf1c19
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spelling	oai:doaj.org-article:39d043f5b5c8432a932192fd02bf1c192021-12-02T12:11:52ZNew indices to characterize drawing behavior in humans (Homo sapiens) and chimpanzees (Pan troglodytes)10.1038/s41598-021-83043-02045-2322https://doaj.org/article/39d043f5b5c8432a932192fd02bf1c192021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83043-0https://doaj.org/toc/2045-2322Abstract Techniques used in cave art suggest that drawing skills emerged long before the oldest known representative human productions (44,000 years bc). This study seeks to improve our knowledge of the evolutionary origins and the ontogenetic development of drawing behavior by studying drawings of humans (N = 178, 3- to 10-year-old children and adults) and chimpanzees (N = 5). Drawings were characterized with an innovative index based on spatial measures which provides the degree of efficiency for the lines that are drawn. Results showed that this index was lowest in chimpanzees, increased and reached its maximum between 5-year-old and 10-year-old children and decreased in adults, whose drawing efficiency was reduced by the addition of details. Drawings of chimpanzees are not random suggesting that their movements are constrained by cognitive or locomotor aspect and we cannot conclude to the absence of representativeness. We also used indices based on colors and time and asked children about what they drew. These indices can be considered relevant tools to improve our understanding of drawing development and evolution in hominids.Lison MartinetCédric SueurSatoshi HirataJérôme HosseletTetsuro MatsuzawaMarie PeléNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Lison Martinet Cédric Sueur Satoshi Hirata Jérôme Hosselet Tetsuro Matsuzawa Marie Pelé New indices to characterize drawing behavior in humans (Homo sapiens) and chimpanzees (Pan troglodytes)
description	Abstract Techniques used in cave art suggest that drawing skills emerged long before the oldest known representative human productions (44,000 years bc). This study seeks to improve our knowledge of the evolutionary origins and the ontogenetic development of drawing behavior by studying drawings of humans (N = 178, 3- to 10-year-old children and adults) and chimpanzees (N = 5). Drawings were characterized with an innovative index based on spatial measures which provides the degree of efficiency for the lines that are drawn. Results showed that this index was lowest in chimpanzees, increased and reached its maximum between 5-year-old and 10-year-old children and decreased in adults, whose drawing efficiency was reduced by the addition of details. Drawings of chimpanzees are not random suggesting that their movements are constrained by cognitive or locomotor aspect and we cannot conclude to the absence of representativeness. We also used indices based on colors and time and asked children about what they drew. These indices can be considered relevant tools to improve our understanding of drawing development and evolution in hominids.
format	article
author	Lison Martinet Cédric Sueur Satoshi Hirata Jérôme Hosselet Tetsuro Matsuzawa Marie Pelé
author_facet	Lison Martinet Cédric Sueur Satoshi Hirata Jérôme Hosselet Tetsuro Matsuzawa Marie Pelé
author_sort	Lison Martinet
title	New indices to characterize drawing behavior in humans (Homo sapiens) and chimpanzees (Pan troglodytes)
title_short	New indices to characterize drawing behavior in humans (Homo sapiens) and chimpanzees (Pan troglodytes)
title_full	New indices to characterize drawing behavior in humans (Homo sapiens) and chimpanzees (Pan troglodytes)
title_fullStr	New indices to characterize drawing behavior in humans (Homo sapiens) and chimpanzees (Pan troglodytes)
title_full_unstemmed	New indices to characterize drawing behavior in humans (Homo sapiens) and chimpanzees (Pan troglodytes)
title_sort	new indices to characterize drawing behavior in humans (homo sapiens) and chimpanzees (pan troglodytes)
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/39d043f5b5c8432a932192fd02bf1c19
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New indices to characterize drawing behavior in humans (Homo sapiens) and chimpanzees (Pan troglodytes)

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