Research on major depressive disorder indicates that reductions in depressive symptoms are not always accompanied by equivalent improvements in cognitive functioning. Even when mood symptoms subside, difficulties managing everyday responsibilities may persist. Assessing recovery should therefore encompass cognitive functioning and everyday functioning alongside changes in symptoms. Feeling better and returning to a previous level of functioning are related processes that nevertheless require separate consideration (Ahern et al., 2025; Schwarz et al., 2024).
Studies examining the cognitive dimension of depression identify difficulties across several domains, including attention, memory, and executive functioning. Executive functions encompass the mental processes that regulate goal-directed behavior. Planning a task, inhibiting an inappropriate response, and adapting to changing task demands are among these processes. Cognitive assessment therefore extends beyond measuring how much information a person remembers; it also considers how they use information and regulate their behavior (Rhee et al., 2024; Semkovska et al., 2026).
Research findings nevertheless suggest that depression does not involve a single, fixed cognitive profile. Characteristics such as age and treatment resistance may be associated with the extent of cognitive impairment. The fact that different cognitive domains may be affected to different degrees is also relevant to assessment. This variability highlights the need to examine performance across individual domains rather than assuming that everyone with a diagnosis of depression experiences similar difficulties (Rhee et al., 2024).
Recent research indicates that processing speed deserves particular consideration during remission. Processing speed concerns the time required to handle information and generate an appropriate response. Slower processing speed may explain a substantial proportion of the performance differences observed on time-constrained executive function tasks. The finding that these differences become nonsignificant when processing speed is statistically controlled suggests that lower test performance should not automatically be interpreted as an independent executive dysfunction (Semkovska et al., 2026).
However, processing speed cannot account for all cognitive difficulties. Small differences may persist on certain auditory and spatial working memory tasks even without time pressure. Working memory involves the processes that enable information to be held briefly in mind and used. Assessment should therefore consider the cognitive abilities required by a task alongside the accuracy and speed of the response (Semkovska et al., 2026).
Longitudinal research tracking cognitive functioning over time indicates that changes following treatment are generally modest. Improvements in depressive symptoms and the number of previous depressive episodes may be associated with changes in some cognitive domains. These associations do not, however, establish how quickly a particular individual will recover. Group-level findings cannot be used to construct an individual recovery timeline or to conclude that difficulties are permanent (Ahern et al., 2025).
The effects of repeated assessment also require consideration when interpreting research findings. Improved performance on the same or similar tests may partly reflect increased familiarity with the task. It is therefore inappropriate to interpret every improvement in test scores as direct evidence of cognitive recovery. Changes should be interpreted in relation to the characteristics of the measures used and the conditions under which comparisons are made (Ahern et al., 2025).
Taken together, these findings highlight the importance of a multidimensional approach to recovery after depression. Recognizing cognitive difficulties and assessing everyday functioning separately can help clarify the extent to which symptom reduction translates into improvements in a person’s life. Evaluating recovery requires attention both to how a person feels and to how they manage their daily responsibilities (Rhee et al., 2024; Schwarz et al., 2024).
Kaynakça
- Ahern, E., White, J., & Slattery, E. (2025). Change in cognitive function over the course of major depressive disorder: A systematic review and meta-analysis. Neuropsychology Review, 35(1), 1–34. https://doi.org/10.1007/s11065-023-09629-9
- Rhee, T. G., Shim, S. R., Manning, K. J., Tennen, H. A., Kaster, T. S., d’Andrea, G., Forester, B. P., Nierenberg, A. A., McIntyre, R. S., & Steffens, D. C. (2024). Neuropsychological assessments of cognitive impairment in major depressive disorder: A systematic review and meta-analysis with meta-regression. Psychotherapy and Psychosomatics, 93(1), 8–23. https://doi.org/10.1159/000535665
- Schwarz, R., Munkholm, K., Christensen, M. S., Kessing, L. V., & Vinberg, M. (2024). Functioning in patients with major depressive disorder in remission: A systematic review and meta-analysis. Journal of Affective Disorders, 363, 112–123. https://doi.org/10.1016/j.jad.2024.07.054
- Semkovska, M., Nikolic, J., Dølven, S., & Roth, H. N. (2026). Systematic review and meta-analysis of executive function following remission from major depression. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, 11(2), 171–179. https://doi.org/10.1016/j.bpsc.2025.09.006