A couple of interesting items in this UK article. For instance:
4. Depression blurs memory
One of the lesser known symptoms of depression is its adverse effect on memory.
Over the years studies have shown that people experiencing depression have particular problems with declarative memory, which is the memory of specific facts like names or places (Porter et al., 2003).
Part of the reason for this may be that depressed people lose the ability to differentiate between similar experiences (Shelton & Kirwan, 2013). It’s another facet of the tendency to over-generalise.
Depression blurs other types of memory as well, though, including the ability to recall meanings and to navigate through space.