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  • Ragnarsson, Oskar,1971Gothenburg University,Göteborgs universitet,Institutionen för medicin,Institute of Medicine (författare)

Decreased prefrontal functional brain response during memory testing in women with Cushing's syndrome in remission

  • Artikel/kapitelEngelska2017

Förlag, utgivningsår, omfång ...

  • Elsevier BV,2017

Nummerbeteckningar

  • LIBRIS-ID:oai:gup.ub.gu.se/255797
  • https://gup.ub.gu.se/publication/255797URI
  • https://doi.org/10.1016/j.psyneuen.2017.05.010DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-137931URI

Kompletterande språkuppgifter

  • Språk:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Neurocognitive dysfunction is an important feature of Cushing's syndrome (CS). Our hypothesis was that patients with CS in remission have decreased functional brain responses in the prefrontal cortex and hippocampus during memory testing. In this cross-sectional study we included 19 women previously treated for CS and 19 commis matched for age, gender, and education. The median remission time was 7 (IQR 6-10) years. Brain activity was studied with functional magnetic resonance imaging during episodic- and working memory tasks. The primary regions of interest were the prefrontal cortex and the hippocampus. A voxel-wise comparison of functional brain responses in patients and controls was performed. During episodic-memory encoding, patients displayed lower functional brain responses in the left and right prefrontal gyrus (p < 0.001) and in the right inferior occipital gyrus (p < 0.001) compared with controls. There was a trend towards lower functional brain responses in the left posterior hippocampus in patients (p = 0.05). During episodic-memory retrieval, the patients displayed lower functional brain responses in several brain areas with the most predominant difference in the right prefrontal cortex (p < 0.001). During the working memory task, patients had lower response in the prefrontal cortices bilaterally (p < 0.005). Patients, but not controls, had lower functional brain response during a more complex working memory task compared with a simpler one. In conclusion, women with CS in long-term remission have reduced functional brain responses during episodic and working memory testing. This observation extends previous findings showing long-term adverse effects of severe hypercortisolaemia on brain function.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Stomby, AndreasUmeå universitet,Medicin,Ryhov County Hospital, Jönköping, Sweden(Swepub:umu)ansa0059 (författare)
  • Dahlqvist, PerUmeå universitet,Medicin(Swepub:umu)perdat96 (författare)
  • Evang, J. A. (författare)
  • Ryberg, MatsUmeå universitet,Medicin(Swepub:umu)mary0013 (författare)
  • Olsson, TommyUmeå universitet,Medicin(Swepub:umu)tool0003 (författare)
  • Bollerslev, J. (författare)
  • Nyberg, LarsUmeå universitet,Diagnostisk radiologi(Swepub:umu)lany0001 (författare)
  • Johannsson, Gudmundur,1960Gothenburg University,Göteborgs universitet,Institutionen för medicin,Institute of Medicine(Swepub:gu)xjgudn (författare)
  • Göteborgs universitetInstitutionen för medicin (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Psychoneuroendocrinology: Elsevier BV82, s. 117-1250306-45301873-3360

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