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Preparing to move and deciding not to move.

Gilberto Gomes1

  • 1Universidade Estadual do Norte Fluminense, Laboratory of Cognition and Language, R. Lopes Quintas 100-605-I, Rio de Janeiro, Brazil. ggomes@uenf.br

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Summary

This commentary questions the comparability of experimental tasks and recorded potentials between Trevena and Miller (2010) and earlier studies. It offers an interpretation for similar event-related potentials observed during movement and non-movement decisions.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Experimental Psychology

Background:

  • The study comments on Trevena and Miller's (2010) findings regarding readiness potentials.
  • It addresses the comparability of experimental paradigms and recorded potentials with seminal works by Libet et al. (1983a).

Purpose of the Study:

  • To critically evaluate the experimental design and data of Trevena and Miller (2010).
  • To compare the event-related potentials (ERPs) recorded in Trevena and Miller (2010) with those from Libet et al. (1983a).
  • To propose an alternative interpretation for ERP similarities observed during voluntary movement decisions.

Main Methods:

  • Comparative analysis of experimental tasks and methodologies.
  • Re-evaluation of event-related potential data.
  • Theoretical interpretation of neurophysiological signals.

Main Results:

  • Questionable comparability between Trevena and Miller's (2010) experimental task and potentials versus Libet et al. (1983a).
  • Similarity in event-related potentials recorded during both decision to move and decision not to move.
  • An alternative interpretation is provided for these observed ERP similarities.

Conclusions:

  • The experimental setup and recorded potentials in Trevena and Miller (2010) may not be directly comparable to previous foundational studies.
  • The similarity in event-related potentials during movement and non-movement decisions warrants further investigation and alternative explanations.
  • The commentary suggests a need for nuanced interpretation of readiness potentials in the context of decision-making.