Discuss the extent to which research on neuropsychological impairments to the memory system helps our understanding of how memory works.

Memory plays a fundamental role in peoples lives and it is involved in virtually every activity performed by an individual. Its function is storing and retrieving information and experiences, which allows individuals to create an idea of their identity and provides the knowledge to determine the appropriate way to interact with each other. There are various types of memory and each may play a different role, therefore each brain deficiency may result in different consequences. There are many techniques that psychologists have used to study memory and one of them is research on neuropsychological impairments to the memory. This approach focuses on investigating memory in patients with brain damage, often using double dissociation technique, to understand how memory works and which parts are responsible for each functions. However, this approach also has limitations to its validity, esp…(short extract)