Letter fluency and prospective memory tests may be useful clinical tools in evaluating chronic stress states.
These findings may suggest suboptimal executive functioning (eg, strategic or attentional control) among chronic stress patients. Particularly, poor performance in letter fluency and prospective memory were significantly associated with chronic stress, the finding suggesting the usefulness of these tests as clinical tools in evaluations of chronic stress states.
Öhman et al. (2007) studied this question.