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Response control by primes, targets, and distractors: from feedforward activation to controlled inhibition

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Abstract

The visual system has to distinguish between information that is relevant and irrelevant for current behavioral goals. This is especially important in automatized responses. Here, we study how task-irrelevant distractors with task-relevant features gain access to speeded, automatized motor responses in a response-priming paradigm. In two tasks, we present distractors either together with primes or with targets, and vary the consistency between primes/targets and distractors as well as the number and saturation of distractors. Our findings are consistent with accounts where primes, targets, and distractors contribute to response activations by sequential feedforward response activation. In addition, conditions with especially salient target–distractors seem to lead to active inhibition of the primed response that occurs late in the trial. We replicate all main findings in a control experiment. Together, our findings show that the effects of distractors depend on (i) their stimulus characteristics as well as on (ii) the phase at which they enter visual processing—with effects ranging from feedforward activation to controlled inhibition of responses.

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Notes

  1. We thank an anonymous reviewer for detailing the following argument.

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Acknowledgements

Thanks to Jennifer Prodan for data collection and to Brenda Ocampo, Steven Haase, and three anonymous reviewer for helpful comments and suggestions on an earlier version of the manuscript.

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Correspondence to Filipp Schmidt.

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The authors declare that they have no conflict of interest.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Informed consent was obtained from all individual participants included in the study.

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Appendix

Appendix

See Tables 2, 3, 4, and 5 and Figs. 8, 9, 10, 11

Table 2 Mean response time (RT) and standard deviation (SD RT) in Experiment 1
Table 3 Mean error rate (ER) in Experiment 1
Table 4 Mean response time (RT) and standard deviation (SD RT) in Experiment 2
Table 5 Mean error rate (ER) in Experiment 2
Fig. 8
figure 8

Error rates of the prime–distractor task in Experiment 1. For details see Fig. 2

Fig. 9
figure 9

Error rates of the target–distractor task in Experiment 1. For details see Fig. 2

Fig. 10
figure 10

Response times in the prime–distractor task in Experiment 1. Response times are plotted as a function of response time bins (from fastest to slowest responses, calculated separately for each participant and condition), line color denotes prime–target consistency (consistent: blue, inconsistent: red), line style denotes prime–distractor consistency (consistent: solid, inconsistent: dashed). The baseline without distractors is shown within the gray frame, the other line graphs show response times as a function of distractor saturation (rows) and number of distractors (columns). Transparent error margins denote standard errors

Fig. 11
figure 11

Response times of the target–distractor task in Experiment 1. For details see Fig. 10

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Schmidt, F., Schmidt, T. Response control by primes, targets, and distractors: from feedforward activation to controlled inhibition. Psychological Research 85, 195–213 (2021). https://doi.org/10.1007/s00426-019-01236-9

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  • DOI: https://doi.org/10.1007/s00426-019-01236-9

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