Brain degeneration in Parkinson’s disease patients with cognitive decline: a coordinate-based meta-analysis

Alexander S. Mihaescu, Mario Masellis, Ariel Graff-Guerrero, Jinhee Kim, Marion Criaud, Sang Soo Cho, Christine Ghadery, Mikaeel Valli, Antonio P. Strafella

Research output: Contribution to journalArticle

Abstract

Cognitive decline in Parkinson’s disease (PD) is a common sequela of the disease, with its severity increasing as the neurodegenerative process advances. The present meta-analysis used anisotropic effect size seed-based d mapping software to perform analyses using both functional and structural brain imaging data. The analyses were between PD patients with mild cognitive impairment (PD-MCI) and PD patients with dementia (PDD) compared to PD cognitively unimpaired patients (PD-CU) and PD patients without dementia (PD-ND) respectively. Thirty-four studies were found and split into three analyses: 405 PD-MCI patients compared to 559 PD-CU patients from 1) 15 studies with structural imaging modalities and 2) eight studies with functional imaging modalities, as well as 178 PDD patients compared to 278 PD-ND patients (which includes both PD-CU and PD-MCI) in 3) 11 studies with structural imaging modalities. Statistical threshold was set to uncorrected p < 0.001. We found several brain regions that differed between PD-MCI and PD-CU patients: the left insula, bilateral dorsolateral prefrontal cortex, left angular gyrus, midcingulate cortex, and right supramarginal gyrus. The brain regions identified in the PD-MCI analyses are associated with the somatosensory network and executive processing. In PDD patients, the bilateral insula and right hippocampus were found as regions of structural atrophy. The insula was found in both structural analyses of PD-MCI and PDD, with unilateral insula involvement in PD-MCI extending to bilateral insula involvement in PDD. The results found both a spectrum of increasing brain atrophy in PD cognitive impairment and supports the existence of sub-typing in PD-MCI.

Original languageEnglish (US)
Pages (from-to)1021-1034
Number of pages14
JournalBrain Imaging and Behavior
Volume13
Issue number4
DOIs
StatePublished - Aug 15 2019
Externally publishedYes

Fingerprint

Parkinson Disease
Meta-Analysis
Brain
Cognitive Dysfunction
Parietal Lobe
Atrophy
Dementia
Functional Neuroimaging
Prefrontal Cortex
Hippocampus
Seeds

Keywords

  • Cognitive decline
  • Meta-analysis
  • Mild cognitive impairment
  • Neuroimaging
  • Parkinson’s disease
  • Parkinson’s disease dementia

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Neurology
  • Cognitive Neuroscience
  • Clinical Neurology
  • Cellular and Molecular Neuroscience
  • Psychiatry and Mental health
  • Behavioral Neuroscience

Cite this

Brain degeneration in Parkinson’s disease patients with cognitive decline : a coordinate-based meta-analysis. / Mihaescu, Alexander S.; Masellis, Mario; Graff-Guerrero, Ariel; Kim, Jinhee; Criaud, Marion; Cho, Sang Soo; Ghadery, Christine; Valli, Mikaeel; Strafella, Antonio P.

In: Brain Imaging and Behavior, Vol. 13, No. 4, 15.08.2019, p. 1021-1034.

Research output: Contribution to journalArticle

Mihaescu, AS, Masellis, M, Graff-Guerrero, A, Kim, J, Criaud, M, Cho, SS, Ghadery, C, Valli, M & Strafella, AP 2019, 'Brain degeneration in Parkinson’s disease patients with cognitive decline: a coordinate-based meta-analysis', Brain Imaging and Behavior, vol. 13, no. 4, pp. 1021-1034. https://doi.org/10.1007/s11682-018-9922-0
Mihaescu, Alexander S. ; Masellis, Mario ; Graff-Guerrero, Ariel ; Kim, Jinhee ; Criaud, Marion ; Cho, Sang Soo ; Ghadery, Christine ; Valli, Mikaeel ; Strafella, Antonio P. / Brain degeneration in Parkinson’s disease patients with cognitive decline : a coordinate-based meta-analysis. In: Brain Imaging and Behavior. 2019 ; Vol. 13, No. 4. pp. 1021-1034.
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