NDLI: Memory for the order of briefly presented numerals in humans as a function of practice

Content Provider	Springer Nature Link
Author	Silberberg, Alan Kearns, David
Copyright Year	2008
Abstract	Inoue and Matsuzawa (Curr Biol 17: R1004–R1005, 2007) showed that with an accuracy of approximately 79%, the juvenile chimpanzee, Ayumu, could recall the position and order of a random subset of five Arabic numerals between one and nine when those numerals were presented for only 210 ms on a computer touch screen before being masked with white squares. None of nine humans working on the same task approached this level of accuracy. Inoue and Matsuzawa (2007) claimed this performance difference was evidence of a memorial capacity in young chimpanzees that was superior to that seen in adult humans. While the between-species performance difference they report is apparent in their data, so too is a large difference in practice on their task: Ayumu had many sessions of practice on their task before terminal performances were measured; their human subjects had none. The present report shows that when two humans are given practice in the Inoue and Matsuzawa (2007) memory task, their accuracy levels match those of Ayumu.
Starting Page	405
Ending Page	407
Page Count	3
File Format	PDF
ISSN	14359448
Journal	Animal Cognition
Volume Number	12
Issue Number	2
e-ISSN	14359456
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-12-30
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Memory Limited-hold test Ape Human Zoology Behavioural Sciences Human Physiology Evolutionary Biology
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Ecology, Evolution, Behavior and Systematics

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