Emotional processing and executive functions in major depressive disorder

Dorsal prefrontal activity correlates with performance in the intra-extra dimensional set shift

Alexander Heinzel, Georg Northoff, Heinz Boeker, Peter Boesiger, Simone Grimm

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Heinzel A, Northoff G, Boeker H, Boesiger P, Grimm S. Emotional processing and executive functions in major depressive disorder: dorsal prefrontal activity correlates with performance in the intra-extra dimensional set shift. Objective: Major depressive disorder (MDD) is characterised by predominately negatively valenced emotional symptoms that are often accompanied by cognitive impairments. We posited that cognitive impairments in MDD are related to altered emotional processing in prefrontal cortex. Methods: We compared 20 medication-free patients with MDD and 29 matched healthy controls. Both groups performed an emotional task during functional magnetic resonance imaging (fMRI). Furthermore, they completed the intra-extra dimensional set shift (IED) test probing for cognitive impairments. Then we correlated the results of the IED with the changes in fMRI BOLD signal in MDD patients and healthy subjects. Results: The subcategory of the IED applying extradimensional shift (EDS) showed a divergent performance of the MDD group committing significantly more errors than the control group. Correlating the EDS errors with fMRI signal changes, the healthy subjects showed a positive correlation with the right ventrolateral prefrontal cortex and the right orbitofrontal cortex. MDD subjects, in contrast, showed a positive correlation in right dorsolateral prefrontal cortex (DLPFC) and a negative correlation in the left dorsomedial prefrontal cortex (DMPFC). Conclusion: We hypothesise that the differential correlation in healthy controls and MDD patients may reflect the use of different strategies in their performance. The impaired executive functions, as reflected by altered processing in right DLPFC and left DMPFC, may implicitly influence emotional processing in patients suffering from MDD.

Original languageEnglish
Pages (from-to)269-279
Number of pages11
JournalActa Neuropsychiatrica
Volume22
Issue number6
DOIs
Publication statusPublished - Dec 2010
Externally publishedYes

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Executive Function
Major Depressive Disorder
Prefrontal Cortex
Magnetic Resonance Imaging
Healthy Volunteers
Control Groups

Keywords

  • emotional processing
  • executive functions
  • fMRI
  • IED
  • mayor depressive disorder
  • prefrontal cortex

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry

Cite this

Emotional processing and executive functions in major depressive disorder : Dorsal prefrontal activity correlates with performance in the intra-extra dimensional set shift. / Heinzel, Alexander; Northoff, Georg; Boeker, Heinz; Boesiger, Peter; Grimm, Simone.

In: Acta Neuropsychiatrica, Vol. 22, No. 6, 12.2010, p. 269-279.

Research output: Contribution to journalArticle

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