Baby Signs for Bedtime
Drs. Linda Acredolo and Susan Goodwyn discovered Baby Signs in 1982 and conducted the pioneering scientific research for the National Institute of Health that demonstrated the language and cognitive benefits of Baby Signing. Linda is Professor of Psychology at the University of CA, Davis. Susan is Professor of Psychology and Child Development at the California State University. They are the authors ofBaby Signspublished by Contemporary Books. Both authors live and work in Northern California.