Red to Green or Fast to Slow? Infants' Visual Working Memory for “Just Salient Differences”

• Autores: Zsuzsa Káldy, Erik Blaser
• Localización: Child development, ISSN 0009-3920, Vol. 84, Nº. 6, 2013, págs. 1855-1862
• Idioma: inglés
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• Resumen

  • In this study, 6-month-old infants' visual working memory for a static feature (color) and a dynamic feature (rotational motion) was compared. Comparing infants' use of different features can only be done properly if experimental manipulations to those features are equally salient (Kaldy & Blaser, 2009; Kaldy, Blaser, & Leslie, 2006). The interdimensional salience mapping method was used to find two objects that each were one Just Salient Difference from a common baseline object (N = 16). These calibrated stimuli were then used in a subsequent two-alternative forced-choice preferential looking memory test (N = 28). Results showed that infants noted the color change, but not the equally salient change in rotation speed.