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Related Experiment Video

Updated: Jul 3, 2026

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition
16:08

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition

Published on: February 1, 2012

Emotional experience modulates brain activity during fixation periods between tasks.

Sean Pitroda1, Mike Angstadt, Michael S McCloskey

  • 1Pritzker School of Medicine, University of Chicago, Chicago, IL, USA.

Neuroscience Letters
|August 5, 2008
PubMed
Summary

Brain activity during rest periods is influenced by preceding emotional images. This suggests the default brain network is modulated by motivational stimuli, impacting cognitive function.

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Brain Imaging

Background:

  • Functional imaging reveals brain regions more active during rest than cognitive tasks, forming the default brain network.
  • This network is thought to be suspended during goal-directed behaviors, with resources reallocated.
  • It's unclear if emotional content from prior tasks affects brain activity during subsequent rest periods.

Purpose of the Study:

  • To investigate if emotional content from viewed images influences brain activity during intervening fixation periods.
  • To examine the modulation of the default brain network by emotionally salient stimuli.

Main Methods:

  • fMRI study examining brain activity during fixation periods interspersed with viewing complex images (positive, negative, neutral).

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Brain Imaging Investigation of the Neural Correlates of Emotion Regulation
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Brain Imaging Investigation of the Neural Correlates of Emotion Regulation

Published on: August 26, 2011

Related Experiment Videos

Last Updated: Jul 3, 2026

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition
16:08

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition

Published on: February 1, 2012

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion
15:57

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion

Published on: May 4, 2011

Brain Imaging Investigation of the Neural Correlates of Emotion Regulation
14:04

Brain Imaging Investigation of the Neural Correlates of Emotion Regulation

Published on: August 26, 2011

  • Participants rated grayscale images during fixation and complex images during the PICTURE task.
  • Analysis focused on brain regions previously implicated in the default brain network (PCC, precuneus, IPL, vACC).

    • Main Results:

    • Brain regions including PCC, precuneus, IPL, and vACC showed greater activity during FIXATION compared to PICTURE tasks, consistent with the default brain network.
    • Activity in the precuneus and IPL during FIXATION was reduced following the processing of emotionally charged images (positive and negative) compared to neutral images.

    Conclusions:

    • Default brain network activity is modulated by the presence of environmental stimuli with motivational salience.
    • Emotional content from preceding tasks can attenuate activity in default network regions during subsequent rest periods.
    • This finding enhances understanding of brain function during periods of low cognitive, emotional, or sensory demand.