A new study in the journal Cognition and Emotion illustrates the link between reduced working memory capacity and dysphoria, a significant and prolonged depressed mood related to clinical depression.

Building on the knowledge that dysphoric individuals and clinically depressed people maintain their attention on ‘mood-congruent’ information longer than people without depressed mood, Nicholas A. Hubbard and his colleagues carried out three studies to test both working memory and processing speed.

The first was a recall task with ‘neutral’ interference, the second a variation of the first with ‘depressive’ interference in the form of negative statements about mood, and the third a replication of the first two studies with a focus on processing speed and recall.

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