Erikson believed that older adults use their impending death as a motivation to look back and evaluate their life. this form of retrospection is what many theorists call:

I believe the answer is: Despair

Despair is a psychological situation when a person experienced complete loss of hope and confidence in facing the problems in their life.

there are several factors that could cause someone to fall into despair including: Mental strength, lack of emotional support, direct discouragement from other people, etc.