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Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
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Working Memory Alterations After a Romantic Relationship Breakup.

Anne M Verhallen1, Remco J Renken1, Jan-Bernard C Marsman1

  • 1Cognitive Neuroscience Center, Department of Biomedical Sciences of Cells and Systems, University Medical Center Groningen, Groningen, Netherlands.

Frontiers in Behavioral Neuroscience
|April 26, 2021
PubMed
Summary
This summary is machine-generated.

Relationship breakups can impact working memory and are linked to depressive symptoms. This study found reduced precuneus activation in those experiencing a breakup, suggesting a connection between stress, cognition, and depression.

Keywords:
depressive symptomsn-back taskrelationship breakuptask-based fMRIworking memory

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Area of Science:

  • Neuroscience
  • Psychology
  • Cognitive Science

Background:

  • Stress, including relationship breakups, negatively affects mental well-being and cognitive function, particularly working memory.
  • Both acute and chronic stress, alongside depression, are associated with cognitive alterations.
  • Relationship breakups are significant stressors that can precipitate depressive symptoms and cognitive changes.

Purpose of the Study:

  • To investigate if relationship breakups are associated with working memory alterations.
  • To examine the relationship between working memory changes and depressive symptom severity after a breakup.
  • To explore the neural correlates of working memory in individuals experiencing a recent relationship breakup using functional MRI.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) study comparing a 'heartbreak group' (n=70) with individuals in a relationship ('relationship group', n=46).
  • A three-workload version of the n-back task (0-back, 1-back, 2-back) was employed to assess working memory performance.
  • General Linear Model (GLM) analyses were used for fMRI data, with post-hoc Independent Component Analysis (ICA) to explore brain networks associated with depressive symptoms.

Main Results:

  • Behaviorally, the heartbreak group showed similar performance at high workload (2-back) and better performance at moderate workload (1-back) compared to the relationship group.
  • fMRI revealed a significant interaction between group and workload, with the heartbreak group exhibiting less precuneus activation during higher workload conditions (2-back vs. 0-back/1-back/baseline).
  • Within the heartbreak group, depressive symptom severity was negatively associated with a brain network including the precuneus, anterior cingulate gyrus, and supplementary motor cortex.

Conclusions:

  • Relationship breakups are associated with workload-dependent working memory alterations.
  • Reduced precuneus activation during demanding cognitive tasks may be a neural marker following a breakup.
  • The findings suggest that individuals experiencing relationship breakups can serve as a valuable model for studying the interplay between stress, cognitive function, and depression.