"Critical Period in Child Development"
Article posted by PageWise.com. Provides a brief overview of the concept of critical periods in child development.

"Birth to Age Two: A Critical Period for Brain Development"
Article originally by Dr. Spock and reviewed by Robert Needlman, M.D., FAAP. Guides parents on the skills a child develops during the first 2 years of life and the possible implications for children with disabilities.

"Critical Periods"
Article published in the March 2001 issue of The Preview: Early Childhood Edition, a free newsletter published by Brookes Publishing. Donald Bailey, Ph.D., coauthor of Critical Thinking About Critical Periods, answers questions about critical periods and what to make of brain research reported in the media.

Resources on Learning Theory:

John Dewey
Biographical and other information about John Dewey made available on infed.org.

Bandura
From George Washington University 's Theory into Practice Database. Provides a general overview of Bandura's social learning theory with consideration to application and examples.

"Situated Cognition and the Culture of Learning"
Article by John Seely Brown, et al. published in the January-February 1989 issue of Educational Researcher. Examines the connection between the acquisition of knowledge and the activity that produces that knowledge.

Piaget Resources
Resources for information regarding Piaget and cognitive theory posted on the George Mason University web site.

Vygotsky's Social Development Theory
From George Washington University 's Theory into Practice Database. Includes links and a QuickTime video discussing the significance of Vygotsky's theories.

Vygotsky's Zone of Proximal Development (ZPD)
Article by Deborah J. Leong, Ph.D., et al. published in Of Primary Interest, by the National Association of Early Childhood Specialists in State Departments of Education. Provides a thorough overview of the ZPD with illustrative figures.