The voice of self-control: blocking the inner voice increases impulsive responding

Acta Psychol (Amst). 2010 Oct;135(2):252-6. doi: 10.1016/j.actpsy.2010.07.008. Epub 2010 Aug 7.

Abstract

Philosophers and psychologists have long-debated the notion that the voice in our heads might help us to control our actions. Evidence from a number of lines of research suggests that verbal resources help us to focus attention, providing reason to believe that the inner voice might aid self-control via this capacity. In this study we explored the link between verbal resources and self-control by occupying the inner voice and then assessing behavioral indices of self-control. Participants completed regular and switching versions of the Go/No-Go task while doing verbal or spatial secondary tasks. Compared with the spatial task, doing the verbal task resulted in more impulsive responding, as indicated by a greater tendency to make a 'Go' response, a pattern that was accentuated in the switching version of the Go/No-Go. Our results suggest that the inner voice helps us to exert self-control by enhancing our ability to restrain our impulses.

Publication types

  • Comparative Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Attention*
  • Cognition*
  • Female
  • Humans
  • Impulsive Behavior
  • Inhibition, Psychological
  • Internal-External Control*
  • Male
  • Memory, Short-Term*
  • Ontario
  • Reaction Time