Electrophysiological indices of interference resolution covary with individual fluid intelligence

Investigating reactive control processes in a 3-back working memory task

Bernardo Perfetti, Sara Varanese, Elisa Mancino, Pasqua Mercuri, Marcello Tesse, Raffaella Franciotti, Laura Bonanni, Astrid Thomas, Marco Onofrj

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

It has been proposed that the well-established relationship between working memory (WM) and fluid intelligence (gf) is mediated by executive mechanisms underlying interference control. The latter relies upon the integrity of a frontoparietal brain network, whose activity is modulated by general cognition. In regards to the chronology of this activation, only few EEG studies investigated the topic, although none of them examined the regional interaction or the effects of individual differences in gf. The current investigation sought at extending previous research by characterizing the EEG markers (temporal activation and regional coupling) of interference control and the effects of the individual variation in gf. To this end, we recorded the EEG activity of 33 participants while performing verbal and spatial versions of a 3-back WM task. In a separate session, participants were administered with a test of fluid intelligence. Interference-inducing trials were associated with an increased negativity in the frontal scalp region occurring in two separate time windows and probably reflecting two different stages of the underlying cognitive process. In addition, we found that scalp distribution of such activity differed among individuals, being the strongest activation of the left and right frontolateral sites related to high gf level. Finally, high- and low-gf participants showed different patterns in the modulation of regional connectivity (electrodes coherence in the range of 4.5-7.5. Hz) according to changes in attention load among types of trials. Our findings suggest that high-gf participants may rely upon effective engagement and modulation of attention resources to face interference.

Original languageEnglish
Pages (from-to)146-153
Number of pages8
JournalNeuroImage
Volume93
Issue numberP1
DOIs
Publication statusPublished - 2014

Fingerprint

Intelligence
Short-Term Memory
Electroencephalography
Scalp
Chronology
Intelligence Tests
Individuality
Cognition
Electrodes
Brain
Research

Keywords

  • Attention
  • Cognition
  • Cortical synchronization
  • Evoked potentials
  • Executive function
  • Problem solving

ASJC Scopus subject areas

  • Cognitive Neuroscience
  • Neurology
  • Medicine(all)

Cite this

Electrophysiological indices of interference resolution covary with individual fluid intelligence : Investigating reactive control processes in a 3-back working memory task. / Perfetti, Bernardo; Varanese, Sara; Mancino, Elisa; Mercuri, Pasqua; Tesse, Marcello; Franciotti, Raffaella; Bonanni, Laura; Thomas, Astrid; Onofrj, Marco.

In: NeuroImage, Vol. 93, No. P1, 2014, p. 146-153.

Research output: Contribution to journalArticle

Perfetti, Bernardo ; Varanese, Sara ; Mancino, Elisa ; Mercuri, Pasqua ; Tesse, Marcello ; Franciotti, Raffaella ; Bonanni, Laura ; Thomas, Astrid ; Onofrj, Marco. / Electrophysiological indices of interference resolution covary with individual fluid intelligence : Investigating reactive control processes in a 3-back working memory task. In: NeuroImage. 2014 ; Vol. 93, No. P1. pp. 146-153.
@article{c2d0dfb806574fd582f7b1eefa5a7de0,
title = "Electrophysiological indices of interference resolution covary with individual fluid intelligence: Investigating reactive control processes in a 3-back working memory task",
abstract = "It has been proposed that the well-established relationship between working memory (WM) and fluid intelligence (gf) is mediated by executive mechanisms underlying interference control. The latter relies upon the integrity of a frontoparietal brain network, whose activity is modulated by general cognition. In regards to the chronology of this activation, only few EEG studies investigated the topic, although none of them examined the regional interaction or the effects of individual differences in gf. The current investigation sought at extending previous research by characterizing the EEG markers (temporal activation and regional coupling) of interference control and the effects of the individual variation in gf. To this end, we recorded the EEG activity of 33 participants while performing verbal and spatial versions of a 3-back WM task. In a separate session, participants were administered with a test of fluid intelligence. Interference-inducing trials were associated with an increased negativity in the frontal scalp region occurring in two separate time windows and probably reflecting two different stages of the underlying cognitive process. In addition, we found that scalp distribution of such activity differed among individuals, being the strongest activation of the left and right frontolateral sites related to high gf level. Finally, high- and low-gf participants showed different patterns in the modulation of regional connectivity (electrodes coherence in the range of 4.5-7.5. Hz) according to changes in attention load among types of trials. Our findings suggest that high-gf participants may rely upon effective engagement and modulation of attention resources to face interference.",
keywords = "Attention, Cognition, Cortical synchronization, Evoked potentials, Executive function, Problem solving",
author = "Bernardo Perfetti and Sara Varanese and Elisa Mancino and Pasqua Mercuri and Marcello Tesse and Raffaella Franciotti and Laura Bonanni and Astrid Thomas and Marco Onofrj",
year = "2014",
doi = "10.1016/j.neuroimage.2014.02.020",
language = "English",
volume = "93",
pages = "146--153",
journal = "NeuroImage",
issn = "1053-8119",
publisher = "Academic Press Inc.",
number = "P1",

}

TY - JOUR

T1 - Electrophysiological indices of interference resolution covary with individual fluid intelligence

T2 - Investigating reactive control processes in a 3-back working memory task

AU - Perfetti, Bernardo

AU - Varanese, Sara

AU - Mancino, Elisa

AU - Mercuri, Pasqua

AU - Tesse, Marcello

AU - Franciotti, Raffaella

AU - Bonanni, Laura

AU - Thomas, Astrid

AU - Onofrj, Marco

PY - 2014

Y1 - 2014

N2 - It has been proposed that the well-established relationship between working memory (WM) and fluid intelligence (gf) is mediated by executive mechanisms underlying interference control. The latter relies upon the integrity of a frontoparietal brain network, whose activity is modulated by general cognition. In regards to the chronology of this activation, only few EEG studies investigated the topic, although none of them examined the regional interaction or the effects of individual differences in gf. The current investigation sought at extending previous research by characterizing the EEG markers (temporal activation and regional coupling) of interference control and the effects of the individual variation in gf. To this end, we recorded the EEG activity of 33 participants while performing verbal and spatial versions of a 3-back WM task. In a separate session, participants were administered with a test of fluid intelligence. Interference-inducing trials were associated with an increased negativity in the frontal scalp region occurring in two separate time windows and probably reflecting two different stages of the underlying cognitive process. In addition, we found that scalp distribution of such activity differed among individuals, being the strongest activation of the left and right frontolateral sites related to high gf level. Finally, high- and low-gf participants showed different patterns in the modulation of regional connectivity (electrodes coherence in the range of 4.5-7.5. Hz) according to changes in attention load among types of trials. Our findings suggest that high-gf participants may rely upon effective engagement and modulation of attention resources to face interference.

AB - It has been proposed that the well-established relationship between working memory (WM) and fluid intelligence (gf) is mediated by executive mechanisms underlying interference control. The latter relies upon the integrity of a frontoparietal brain network, whose activity is modulated by general cognition. In regards to the chronology of this activation, only few EEG studies investigated the topic, although none of them examined the regional interaction or the effects of individual differences in gf. The current investigation sought at extending previous research by characterizing the EEG markers (temporal activation and regional coupling) of interference control and the effects of the individual variation in gf. To this end, we recorded the EEG activity of 33 participants while performing verbal and spatial versions of a 3-back WM task. In a separate session, participants were administered with a test of fluid intelligence. Interference-inducing trials were associated with an increased negativity in the frontal scalp region occurring in two separate time windows and probably reflecting two different stages of the underlying cognitive process. In addition, we found that scalp distribution of such activity differed among individuals, being the strongest activation of the left and right frontolateral sites related to high gf level. Finally, high- and low-gf participants showed different patterns in the modulation of regional connectivity (electrodes coherence in the range of 4.5-7.5. Hz) according to changes in attention load among types of trials. Our findings suggest that high-gf participants may rely upon effective engagement and modulation of attention resources to face interference.

KW - Attention

KW - Cognition

KW - Cortical synchronization

KW - Evoked potentials

KW - Executive function

KW - Problem solving

UR - http://www.scopus.com/inward/record.url?scp=84897090690&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84897090690&partnerID=8YFLogxK

U2 - 10.1016/j.neuroimage.2014.02.020

DO - 10.1016/j.neuroimage.2014.02.020

M3 - Article

VL - 93

SP - 146

EP - 153

JO - NeuroImage

JF - NeuroImage

SN - 1053-8119

IS - P1

ER -