This video features original silent footage from René Spitz's research on child development. It shows how an object that does not cause anxiety in early infancy can cause an anxiety in the same child in later infancy. Black & white.
The information below has been drawn from sources outside of the University of Wisconsin-Madison Libraries. In most instances, the information will be from sources that have not been peer reviewed by scholarly or research communities. Please report cases in which the information is inaccurate through the Contact Us link below.