a condition in which a person is unable to remember information

स्मृति हानि

English Usage: After the accident, he suffered from amnesia and couldn't recall his name.

Hindi Usage: दुर्घटना के बाद, उसे स्मृति हानि हुई और वह अपना नाम याद नहीं कर सका।

the state or time of being a child

बाल्यकाल

English Usage: Her childhood was filled with adventures and imagination.

Hindi Usage: उसका बाल्यकाल साहसिकता और कल्पना से भरा हुआ था।