The premotor role of the prefrontal cortex in response consistency

Rinaldo Livio Perri, Marika Berchicci, Giuliana Lucci, Donatella Spinelli, Francesco Di Russo

Research output: Contribution to journalArticle

Abstract

Objective: The aim of the present study was to investigate the cortical correlates of the intraindividual coefficient of variation (ICV) in a go/no-go task, focusing on the prefrontal cortex (PFC) contribution and evaluating both pre-and poststimulus brain activity. Method: We recorded event-related potentials (ERPs) in 40 subjects, arranged a posteriori in 2 groups on the basis of their ICV values. By this method, we formed the consistent (low ICV; n = 20) and inconsistent (high ICV; n = 20) group: the age, speed, and accuracy performance of the 2 groups were matched. Results: The prestimulus anticipatory PFC activity, as reflected by the prefrontal negativity (pN) wave, and the poststimulus P3 component were larger in the consistent than in the inconsistent group. In contrast, no differences were observed between groups in the brain activities associated to motor preparation and early sensory processing. Conclusions: Data are interpreted as an enhanced top-down control in consistent performers, likely characterized by a greater sustained attention on the task.

Original languageEnglish
Pages (from-to)767-775
Number of pages9
JournalNeuropsychology
Volume29
Issue number5
DOIs
Publication statusPublished - Sep 1 2015

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Prefrontal Cortex
Brain
Evoked Potentials
Research Design
Age Groups

Keywords

  • Bereitschaftspotential (BP)
  • EEG
  • Event related potentials (ERPs)
  • Intraindividual coefficient of variation (ICV)
  • Prefrontal negativity (pN)

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Arts and Humanities (miscellaneous)

Cite this

Perri, R. L., Berchicci, M., Lucci, G., Spinelli, D., & Di Russo, F. (2015). The premotor role of the prefrontal cortex in response consistency. Neuropsychology, 29(5), 767-775. https://doi.org/10.1037/neu0000168

The premotor role of the prefrontal cortex in response consistency. / Perri, Rinaldo Livio; Berchicci, Marika; Lucci, Giuliana; Spinelli, Donatella; Di Russo, Francesco.

In: Neuropsychology, Vol. 29, No. 5, 01.09.2015, p. 767-775.

Research output: Contribution to journalArticle

Perri, RL, Berchicci, M, Lucci, G, Spinelli, D & Di Russo, F 2015, 'The premotor role of the prefrontal cortex in response consistency', Neuropsychology, vol. 29, no. 5, pp. 767-775. https://doi.org/10.1037/neu0000168
Perri RL, Berchicci M, Lucci G, Spinelli D, Di Russo F. The premotor role of the prefrontal cortex in response consistency. Neuropsychology. 2015 Sep 1;29(5):767-775. https://doi.org/10.1037/neu0000168
Perri, Rinaldo Livio ; Berchicci, Marika ; Lucci, Giuliana ; Spinelli, Donatella ; Di Russo, Francesco. / The premotor role of the prefrontal cortex in response consistency. In: Neuropsychology. 2015 ; Vol. 29, No. 5. pp. 767-775.
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