Numerical cognition in rhesus monkeys (Macaca mulatta)

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" Numerical cognition in rhesus monkeys (Macaca mulatta) "
Emily Harris Marr D. A. Washburn

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	52674
Doc. No	:	TL22628
Call number	:	‭3326941‬
Main Entry	:	Emily Harris Marr
Title & Author	:	Numerical cognition in rhesus monkeys (Macaca mulatta)\ Emily Harris Marr
College	:	Georgia State University
Date	:	2008
Degree	:	Ph.D.
student score	:	2008
Page No	:	279
Abstract	:	Over the past few decades, researchers have firmly established that a wide range of nonhuman animals exhibit some form of numerical competence. The focus of this research was to define further the extent of numerical ability in rhesus monkeys and to investigate the underlying representations used in a variety of numerical tasks. In chapters 2 and 3, monkeys were required to compare and order Arabic numerals and were rewarded either with the corresponding number of pellets or with one pellet for each correct response. The results of these studies indicated that monkeys were relying on the ordinal or absolute numerical values associated with each numeral and not hedonic value or learned matrix of 2-choice discriminations. The studies in chapters 4 and 5 required the monkeys to enumerate their own sequential responses, and in most cases associate that value with an Arabic numeral. The results of these studies indicated that monkeys are able to keep track of an approximate number of sequential motor responses. In addition, they responded to the numerals in these tasks based on their absolute, rather than their relative values. The study in Chapter 6 investigated the ability of monkeys to abstract a numerical concept across different presentation methods. The results of this study indicated that some monkeys have a broad concept of number that is not based on specific contexts or methodologies, but this ability is only exhibited under limited conditions. Together, these studies provide a clearer picture of what number really means to a monkey. Index words . Monkeys, Macaca mulatta , primates, numbers, counting, numerical ability
Subject	:	Psychology; Macaca mulatta; Monkeys; Primates; Numbers; Counting; Numerical ability; Numerical cognition; Rhesus monkeys; Cognitive psychology; 0633:Cognitive psychology
Added Entry	:	D. A. Washburn
Added Entry	:	Georgia State University