2018
DOI: 10.3389/fpsyg.2018.02403
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Electrophysiological Correlates of the Effect of Task Difficulty on Inhibition of Return

Abstract: Inhibition of return (IOR) refers to slower responses to targets that occur at a previously attended location than to those at control locations. Previous studies on the impact of task difficulty on IOR have shown conflicting results. However, these studies failed to match low-level characteristics of stimuli (e.g., size, color, and luminance) across difficulty levels, and so might have confounded the effect of task difficulty with that of stimulus characteristics. Hence, whether and how task difficulty modula… Show more

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Cited by 7 publications
(4 citation statements)
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“…EEG was analysed using a customized toolbox (mfeeg: http://sourceforge.net/p/mfeeg) programmed with MATLAB (Mathworks, Natick, MA, USA). The topographic maps were generated with a customized MATLAB function based on EEGLAB (Delorme and Makeig, 2004;Li et al, 2018). Continuous EEG recordings were bandpass-filtered from 1 to 30 Hz and cut into six epochs (30 s each).…”
Section: Eeg Datamentioning
confidence: 99%
“…EEG was analysed using a customized toolbox (mfeeg: http://sourceforge.net/p/mfeeg) programmed with MATLAB (Mathworks, Natick, MA, USA). The topographic maps were generated with a customized MATLAB function based on EEGLAB (Delorme and Makeig, 2004;Li et al, 2018). Continuous EEG recordings were bandpass-filtered from 1 to 30 Hz and cut into six epochs (30 s each).…”
Section: Eeg Datamentioning
confidence: 99%
“…The results of statistical analysis were shown in Figure 3. The topographic map was generated with Yang's topoplot_bcl function based on EEGLAB's topoplot function (Li et al, 2018). The asterisk indicates that the p-value is less than 0.01.…”
Section: Statistical Resultsmentioning
confidence: 99%
“…In the meta-analysis from Paus et al (1998), a ranking of tasks by difficulty was equivalent to a ranking of working memory demands. Difficulty can be defined in relation to accuracy, efficiency, performance linked to reaction and response times, and it thus often reflects a consequence on behavior and not a mechanism or a specific property (Li et al, 2018). A high level of difficulty is usually associated with low accuracy and long reaction or response time, suggesting that the cognitive or attentional effort required in more difficult tasks is higher.…”
Section: Definitions Of Difficultymentioning
confidence: 99%