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Related Experiment Video

Updated: May 8, 2026

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

Increased parietal activity after training of interference control.

Stephan Oelhafen1, Aki Nikolaidis, Tullia Padovani

  • 1Institute of Psychology, University of Bern, Switzerland.

Neuropsychologia
|August 29, 2013
PubMed
Summary

Computerized cognitive training, specifically dual n-back with high interference, partially improved untrained tasks. This cognitive training enhanced parietal activity but did not transfer to working memory or fluid intelligence.

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Area of Science:

  • Cognitive Neuroscience
  • Neuroplasticity

Background:

  • Computerized cognitive training aims to improve untrained task performance (transfer effects).
  • Disentangling task components crucial for cognitive transfer remains challenging.

Purpose of the Study:

  • To investigate if training variants of the adaptive dual n-back task impact untrained task performance and electrophysiological event-related potentials (ERPs).
  • To explore the neural mechanisms underlying cognitive transfer from dual n-back training.

Main Methods:

  • Forty-three healthy adults underwent three weeks of high or low interference dual n-back training or served as a passive control.
  • Performance on untrained tasks (Attention Network Test, working memory, fluid intelligence) and ERPs were analyzed.

Main Results:

Keywords:
Cognitive trainingElectrical neuroimagingEvent-related potential (ERP)Interference controlParietal cortexn-back

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Last Updated: May 8, 2026

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
09:48

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention

Published on: September 11, 2017

  • High interference n-back training yielded partial improvements in the Attention Network Test (ANT).
  • No significant transfer effects were observed for working memory or fluid intelligence.
  • ERP analysis revealed overlapping processes in the P3 range for n-back and ANT.
  • Increased parietal activity was detected in the high interference group during the ANT, unlike the low interference group.

Conclusions:

  • Interference-based cognitive training may enhance parietal cortex activity, potentially linked to processing speed or attentional control.
  • The specific training variant influences the extent and nature of cognitive transfer and associated neural changes.