Use of ecological momentary assessment in mood disorders research.

Ecological momentary assessment (EMA) entails repeated, intensive sampling of respondents' current experiences while they are engaged in their typical daily routines, in their natural environments. In this article we discuss benefits of using EMA techniques in mood disorders research, provide an overview of the various specific EMA techniques that have been used with mood-disordered populations to date, and summarize the diverse range of research questions that EMA has been used to explore in this field. In addition, we evaluate the feasibility and acceptability of using EMA techniques with this population and suggest additional areas that might be fruitful to investigate, with a focus on the extension of EMA techniques into treatment research. Overall, data suggest that using EMA techniques in mood disorders research is feasible, generally acceptable, and highly promising. We conclude with a discussion of caveats, limitations, and ethical considerations. Copyright 2010 Elsevier Ltd. All rights reserved.