Cognitive development is the natural mental process of growth of perception, memory, judgment, reasoning, and other conscious intellectual activity.1

Jean Piaget (1896-1980) developed a comprehensive theoretical framework for studying the intellectual development of the child through acquiring intelligence, increasing complex thinking, and problem-solving abilities from infancy to adulthood.2

• 1. “Cognitive Development.” Dictionary.com, LLC. Copyright © 2010. < www.dictionary.com > 23 July 2010.
• 2. Gillies, Donald. “A Brief Critical Dictionary of Education” < http://dictionaryofeducation.co.uk/C.aspx > 23 July 2010.