Since the early 1970s there has been an explosion in research on the development of perception this research has produced discoveries at multiple levels ecological analyses of the information available for perception models of representation and process and improved understanding of biological mechanisms. The cradle of knowledge development of perception in infancy in the past 25 years there has been an explosion in research on the development of perception the research has produced discoveries at multiple levels ecological analyses models of representation and process and improved understanding of biological mechanisms. The cradle of knowledge development of perception in infancy learning development and conceptual change author wikictsnetorg marina schroder 2020 12 06 17 33 18 subject the cradle of knowledge development of perception in infancy learning development and conceptual change keywords. The cradle of knowledge development of perception in infancy learning development and conceptual change philip j kellman martha e arterberry 9780262611527 amazoncom books skip to main content. Across development infants first perceive affect in multimodal stimulation through detecting amodal properties and later their perception of affect is extended to unimodal auditory and visual stimulation implications for social development including joint attention and social referencing are considered