The theory you're describing is "depressive realism". It's hotly contested. In some ways, depressed people can make more accurate assessments, as most people have an optimism bias, but their assessments get unrealistically over-pessimistic as time passes.
The theory you're describing is "depressive realism". It's hotly contested. In some ways, depressed people can make more accurate assessments, as most people have an optimism bias, but their assessments get unrealistically over-pessimistic as time passes.