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Numerous studies have claimed that emotional stimuli are able to capture attention automatically when presented outside the main focus of attention. In the current study this claim was tested by using task-relevant and task-irrelevant emotional stimuli. Specifically, in two experiments the effect of emotional stimuli presented in the periphery of attention was tested by using a flanker task. Results showed that emotional stimuli did not capture attention in an unconditional manner. Emotional distracting stimuli created interference only when they were relevant to the task. The findings suggest that "task relevance" is determined by (a) task requirements, and/or (b) target characteristics. The current results have implications for the concept of cognitive load and automaticity of processing emotional stimuli.

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The current study examined whether the interaction between emotion and executive control (EC) is modulated by the processing type of the emotional information. Namely, whether the emotional information is explicitly processed, implicitly processed or passively viewed. In each trial, a negative or neutral picture preceded an arrow-flanker stimulus that was congruent or incongruent. Incongruent stimuli are known to recruit EC. Explicit processing of the pictures (Experiment 1a), which required responding to their emotional content, resulted in emotional interference for congruent but not for incongruent stimuli. Similar effects were shown for the passive viewing condition (Experiment 2). In contrast, implicit processing (Experiment 1b), which required responding to non-emotional content, resulted in emotional interference for both congruent and incongruent stimuli. Thus, our findings indicate that implicit emotional processing affects performance independently of EC recruitment. In contrast, explicit emotional processing and passive viewing of emotional pictures lead to reduced emotional interference when EC is recruited.