How automatic is “automatic vigilance”? The role of working memory in attentional interference of negative information

Whereas attentional interference of negative information has previously been assumed to be automatic, the present research hypothesised that this effect depends on the availability of working-memory resources. In two experiments, participants judged the gender of angry versus happy faces. Working-memory load was manipulated by the presence or absence of a math task (Study 1) or mental rehearsal of a one- versus 8-digit number (Study 2). The results showed that angry faces interfered more with gender naming than happy faces, but only when working-memory load was low. As such, attentional interference of negative stimulus features can be modulated by top-down attentional control processes.

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