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Free keywords:
Depression; Empathy; Alexithymia; Egocentric bias
Abstract:
Background
Major depressive disorder (MDD) has been associated with empathy deficits. The exact nature of these deficits and their relation to concurrent alexithymia remain unknown. Here we tested under which conditions MDD patients with high and low alexithymia show deficient empathy, particularly investigating empathic abilities when inhibition of self-related emotional states is needed and when it is not.
Methods
Healthy controls (low: n=28, high: n=14) and currently depressed MDD patients (low: n=11, high: n=18) with low or high alexithymia performed an emotional egocentricity paradigm based on tactile stimulation. This task measures empathic judgements, when emotional states of self and other differ and inhibition of self-related emotional states is needed, and when they do not and thus empathic judgments can be based on simple projection mechanisms.
Results
Only alexithymia but not depression decreased empathy, in situations when simple projection sufficed. However, when inhibition of self-related emotional states was needed, MDD patients showed an egocentric bias during empathic judgments and an altercentric bias during self emotion judgments, the latter suggesting heightened emotional contagion, both independent of alexithymia. Across the entire sample, alexithymia decreased the size of the egocentric bias.
Limitations
This study was based on a relatively sample size.
Conclusions
These results suggest that MDD patients show intact empathic judgments, when simple projection is required and no concurrent alexithymia is present. In situations when incongruent emotional states of self and other have to be resolved, MDD patients are prone to egocentric and altercentric biases.
