The analysis of I-scale preference orders of 71 infants (2 to 9 months old) to four face-like stimuli suggested a common J-scale stimulus ordering for each of four age groups. Changes in I-scale frequencies were used as a measure of age-related changes in preference orders. (MS)

The relation between perceptual organization and categorization processes in 3- and 4-month-olds was explored. The question was whether an invariant part abstracted during category learning could interfere with Gestalt organizational processes. A 2003 study by Quinn and Schyns had reported that an initial category familiarization experience in…