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Related Experiment Video

Updated: Jul 6, 2026

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis
10:33

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Published on: June 20, 2012

A mismatch process in brief delayed matching-to-sample task: an fMRI study.

Xi Zhang1, Lin Ma, Shunwei Li

  • 1Department of Geriatric Neurology, Chinese PLA General Hospital, Fuxinglu 28, Beijing, 100853, People's Republic of China. zhangxi@301hospital.com.cn

Experimental Brain Research
|March 5, 2008
PubMed
Summary
This summary is machine-generated.

This study reveals that the right anterior cingulate cortex and right dorsolateral prefrontal cortex are activated by incongruent visual information during a working memory task. This highlights the brain

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Last Updated: Jul 6, 2026

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Transferring Cognitive Tasks Between Brain Imaging Modalities: Implications for Task Design and Results Interpretation in fMRI Studies
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Transferring Cognitive Tasks Between Brain Imaging Modalities: Implications for Task Design and Results Interpretation in fMRI Studies

Published on: September 22, 2014

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Neuroimaging

Background:

  • Previous electroencephalography (EEG) studies identified the N270 component, reflecting conflict processing in simple working memory tasks with short inter-stimulus intervals (500 ms).
  • The N270's distinct nature from classic conflict tasks and other negative ERP components was established.

Purpose of the Study:

  • To investigate the visuospatial brain activation patterns associated with the N270-eliciting task using functional magnetic resonance imaging (fMRI).
  • To explore the neural correlates of conflict processing in brief visual delayed-period discrimination.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was employed to measure brain activity.
  • Participants performed a visual S1-S2 matching task with varying stimulus congruency.

Main Results:

  • Increased activation was observed in the right anterior cingulate cortex (ACC, BA 24) and right dorsolateral prefrontal cortex (DLPFC, BA 46) under incongruent conditions.
  • Activation was biased towards the left occipitotemporal cortex (BA 37) in the incongruent condition.

Conclusions:

  • The heightened activation of the right ACC and right DLPFC suggests their crucial role in processing incongruent information.
  • This finding supports the functional efficiency of the right cingulo-prefrontal network in brief visual discrimination and mismatch processing.