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Related Experiment Video

Updated: Apr 15, 2026

Online Transcranial Magnetic Stimulation Protocol for Measuring Cortical Physiology Associated with Response Inhibition
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Can arousal modulate response inhibition?

Noam Weinbach1, Eyal Kalanthroff2, Amir Avnit2

  • 1Ben-Gurion University of the Negev.

Journal of Experimental Psychology. Learning, Memory, and Cognition
|April 14, 2015
PubMed
Summary
This summary is machine-generated.

Alerting cues improve response inhibition by enhancing cognitive processing. This study found that increased arousal from alerting signals led to better performance on a stop-signal task, demonstrating a link between arousal and cognitive control.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Performance

Background:

  • Arousal's impact on cognitive functions like response inhibition is debated.
  • Competing hypotheses suggest arousal may impair or enhance inhibitory control.
  • Understanding arousal modulation is key to explaining goal-directed behavior.

Purpose of the Study:

  • To investigate whether and how arousal influences response inhibition.
  • To test competing hypotheses regarding the effects of alerting cues on inhibitory control.

Main Methods:

  • Utilized a stop-signal task where participants withheld responses to stop signals.
  • Introduced abrupt alerting cues before the target stimulus in half of the trials.
  • Measured response inhibition through stop-signal reaction times.

Main Results:

  • Alerting cues significantly improved response inhibition compared to a no-alerting condition.
  • Participants exhibited shorter stop-signal reaction times following an alerting cue.
  • This suggests enhanced processing due to elevated arousal.

Conclusions:

  • Alerting, a modulator of arousal, enhances response inhibition.
  • Low-level processing changes can impact higher cognitive functions, optimizing behavior.
  • The interaction between arousal and cognitive mechanisms requires cautious interpretation.