Document Detail


Core knowledge and its limits: the domain of food.
MedLine Citation:
PMID:  19409538     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Adults, preschool children, and nonhuman primates detect and categorize food objects according to substance information, conveyed primarily by color and texture. In contrast, they perceive and categorize artifacts primarily by shape and rigidity. The present experiments investigated the origins of this distinction. Using a looking time procedure, Experiment 1 extended previous findings that rhesus macaques (Macaca mulatta) generalize learning about novel food objects by color over changes in shape. Six additional experiments then investigated whether human infants show the same signature patterns of perception and generalization. Nine-month-old infants failed to detect food objects in accord with their intrinsic properties, in contrast to rhesus monkeys tested in previous research with identical displays. Eight-month-old infants did not privilege substance information over other features when categorizing foods, even though they detected and remembered this information. Moreover, infants showed the same property generalization patterns when presented with foods and tools. The category-specific patterns of perception and categorization shown by human adults, children, and adult monkeys therefore were not found in human infants, providing evidence for limits to infants' domains of knowledge.
Authors:
Kristin Shutts; Kirsten F Condry; Laurie R Santos; Elizabeth S Spelke
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2009-05-05
Journal Detail:
Title:  Cognition     Volume:  112     ISSN:  1873-7838     ISO Abbreviation:  Cognition     Publication Date:  2009 Jul 
Date Detail:
Created Date:  2009-06-08     Completed Date:  2009-08-19     Revised Date:  2014-09-17    
Medline Journal Info:
Nlm Unique ID:  0367541     Medline TA:  Cognition     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  120-40     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adult
Animals
Color Perception / physiology
Discrimination (Psychology)
Female
Food*
Form Perception / physiology
Generalization (Psychology)
Humans
Infant
Knowledge*
Macaca mulatta
Male
Recognition (Psychology) / physiology
Grant Support
ID/Acronym/Agency:
CM-5-P40RR003640-13/CM/NCI NIH HHS; HD23103/HD/NICHD NIH HHS; R01 HD023103/HD/NICHD NIH HHS; R01 HD023103-25/HD/NICHD NIH HHS
Comments/Corrections

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