Infant's Numerical Understanding: Addition and Subtraction

1338 Words3 Pages

Alexa Stumpe
PSYC 474 – Spring 2017

Article Review 1:
How Infants Process Addition and Subtraction Events

Within the field of developmental psychology, arithmetical knowledge and numerical understanding displayed by infants has become an extremely intriguing and controversial topic. Previous studies, such as that by Wynn (1992), have pointed to discovery of infants innately possessing true numerical concepts based on a looking-based, violation of expectation paradigm involving a small set size of objects. With such strong nativist claims of advanced cognitive capability in infancy, several questions arise – is true addition and subtraction a skill possessed by these young babies? If so, to what degree? If not, what lower-order cognitive …show more content…

Overall, the main focus of their research resides in the concept of infant processing of addition and subtraction, as well as roots of numerical knowledge in infancy. They wanted to use a systematical, empirical approach to address previous claims by Wynn (1992) and others that numerical/arithmetical ability is innate, and that young infants show profound numerical capacities in terms of addition and subtraction at only 5 months of age. Across three experiments, Cohen and Marks were able to explore three separate, but plausible, explanations to the claim of young infants inherently possessing the ability to add and subtract. The first explanation is directional, that infants can understand that when objects are added to the environment, the outcome should be greater (or fewer for subtraction). However, infants may not truly know how much more or less. The second explanation is one of familiarity preference, that infants simply react stronger to familiar than novel scenarios. The third explanation is computational, meaning that an actual computation takes place in which infants truly add and subtract using mathematical …show more content…

While Cohen does suggest that infants do possess some form of an innate information processing system, careful considerations were taken to describe their results in a way that did not over-interpret infant ability, nor did they infer their results to indicate higher-level cognitive processing – both of which Marshall Haith would approve of according to his list of misdemeanors and felonies regarding infant research (Haith, 2000). Instead, the researchers concluded that Wynn’s claims were relatively unsound and far-fetched, but made the distinction that further research is necessary to fully understand the development of numerical knowledge in

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