Money hidden and rediscovered in subsequent manic phases. A case of action dependent on mood state?

Abstract

A manic-depressive patient hid 3000 pounds during one manic phase and subsequently, when his mood stabilised, could not remember where he had hidden it. He found the money during a subsequent manic phase a few months later. We suggest that this is not a clear case of state-dependent memory, since the patient at no point explicitly recollected where he had hidden the money. Instead we suggest that this represents state-dependent action. The links between this case and previous research on state-dependent memory are outlined.