RT Journal Article T1 In vivo cholinergic basal forebrain degeneration and cognition in Parkinson's disease: Imaging results from the COPPADIS study. A1 Grothe, Michel J A1 Labrador-Espinosa, Miguel A A1 Jesus, Silvia A1 Macias-Garcia, Daniel A1 Adarmes-Gomez, Astrid A1 Carrillo, Fátima A1 Iglesias-Camacho, Elena A1 Franco-Rosado, Pablo A1 Roldan-Lora, Florinda A1 Martin-Rodriguez, Juan Francisco A1 Aguilar-Barbera, Miquel A1 Pastor, Pau A1 Escalante-Arroyo, Sonia A1 Solano-Vila, Berta A1 Cots-Foraster, Anna A1 Ruiz-Martinez, Javier A1 Carrillo-Padilla, Francisco A1 Pueyo-Morlans, Mercedes A1 Gonzalez-Aramburu, Isabel A1 Infante-Ceberio, Jon A1 Hernandez-Vara, Jorge A1 de-Fabregues-Boixar, Oriol A1 de-Deus-Fonticoba, Teresa A1 Pascual-Sedano, Berta A1 Kulisevsky, Jaime A1 Martinez-Martin, Pablo A1 Santos-Garcia, Diego A1 Mir, Pablo K1 DTI K1 Diffusion K1 MRI K1 Nucleus basalis Meynert K1 Parkinson's disease K1 Substantia innominata AB We aimed to assess associations between multimodal neuroimaging measures of cholinergic basal forebrain (CBF) integrity and cognition in Parkinson's disease (PD) without dementia. The study included a total of 180 non-demented PD patients and 45 healthy controls, who underwent structural MRI acquisitions and standardized neurocognitive assessment through the PD-Cognitive Rating Scale (PD-CRS) within the multicentric COPPADIS-2015 study. A subset of 73 patients also had Diffusion Tensor Imaging (DTI) acquisitions. Volumetric and microstructural (mean diffusivity, MD) indices of CBF degeneration were automatically extracted using a stereotactic CBF atlas. For comparison, we also assessed multimodal indices of hippocampal degeneration. Associations between imaging measures and cognitive performance were assessed using linear models. Compared to controls, CBF volume was not significantly reduced in PD patients as a group. However, across PD patients lower CBF volume was significantly associated with lower global cognition (PD-CRStotal: r = 0.37, p  Early cognitive deficits in PD without dementia are more closely related to structural MRI measures of CBF degeneration than hippocampal degeneration. In our multicentric imaging acquisitions, DTI-based diffusion measures in the CBF were inferior to standard volumetric assessments for capturing cognition-relevant changes in non-demented PD. PB Elsevier Ltd SN 1353-8020 YR 2021 FD 2021-05-31 LK http://hdl.handle.net/10668/18017 UL http://hdl.handle.net/10668/18017 LA en NO Grothe MJ, Labrador-Espinosa MA, Jesús S, Macías-García D, Adarmes-Gómez A, Carrillo F, et al. In vivo cholinergic basal forebrain degeneration and cognition in Parkinson's disease: Imaging results from the COPPADIS study. Parkinsonism Relat Disord. 2021 Jul;88:68-75. DS RISalud RD Jul 6, 2025