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Exploring the Link Between Enriched Environment and Depression: Insights From Human Participants
Rodrigo Guiza-Zayas1, Martha Ontiveros Uribe1, Nadia Palomera-Garfias2
1Dirección de Enseñanza, Instituto Nacional de Psiquiatría, 14370 Ciudad de México, Mexico.
Actas Espanolas De Psiquiatria
|October 21, 2025
Summary
Environmental enrichment (EE) may influence major depressive disorder (MDD) symptom severity. Lower EE levels, particularly in cognitive activities, were observed in individuals with more severe MDD symptoms.
Area of Science:
- Neuroscience
- Psychiatry
- Clinical Psychology
Background:
- Major depressive disorder (MDD) is a common condition impacting quality of life.
- Environmental enrichment (EE), involving cognitive, social, and physical activities, shows antidepressant potential via brain plasticity.
- The role of EE in human depression requires further investigation.
Purpose of the Study:
- To examine the association between environmental enrichment (EE) and major depressive disorder (MDD) symptoms.
- To explore how EE domains might modulate depressive symptomatology in adults with MDD.
Main Methods:
- An observational, cross-sectional study of 50 adults diagnosed with MDD.
- Depressive symptoms assessed using the 17-item Hamilton Depression Rating Scale (17-HDRS).
- Environmental enrichment (EE) levels measured via the Environmental Enrichment Indicator (EEI) across cognitive, social, and physical domains.
Main Results:
- Higher 17-HDRS scores correlated with lower EE levels.
- Individuals with severe MDD showed less engagement in cognitive activities, though not statistically significant.
- Younger participants reported higher EE levels.
Conclusions:
- EE levels may impact the severity of depressive symptoms in individuals with MDD.
- Further research in clinical populations is necessary to elucidate the EE-depression relationship.
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