The process by which individuals acquire knowledge and understanding through experiences, senses, and thought.

The changes in mental processes over time, often observed in children as they grow.

समय के साथ मानसिक प्रक्रियाओं में परिवर्तन।

English Usage: Researchers are studying the stages of cognitive development in adolescents.

Hindi Usage: शोधकर्ता किशोरों में संज्ञानात्मक विकास के चरणों का अध्ययन कर रहे हैं।