FABIO HENRIQUE DE GOBBI PORTO

(Fonte: Lattes)
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Lattes
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Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina
LIM/21 - Laboratório de Neuroimagem em Psiquiatria, Hospital das Clínicas, Faculdade de Medicina

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Autor e Coautores FMUSP-HC Normalizados: GERALDO BUSATTO FILHO × Colaboração internacional: Escócia × Assunto: mild cognitive impairment ×

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  • article 11 Citação(ões) na Scopus
    Deficits in short-term memory binding are detectable in individuals with brain amyloid deposition in the absence of overt neurodegeneration in the Alzheimer's disease continuum
    (2021) CECCHINI, Mario Amore; YASSUDA, Monica Sanches; SQUARZONI, Paula; COUTINHO, Artur Martins; FARIA, Daniele de Paula; DURAN, Fabio Luiz de Souza; COSTA, Naomi Antunes da; PORTO, Fabio Henrique de Gobbi; NITRINI, Ricardo; FORLENZA, Orestes Vicente; BRUCKI, Sonia Maria Dozzi; BUCHPIGUEL, Carlos Alberto; PARRA, Mario A.; BUSATTO, Geraldo F.
    The short-term memory binding (STMB) test involves the ability to hold in memory the integration between surface features, such as shapes and colours. The STMB test has been used to detect Alzheimer's disease (AD) at different stages, from preclinical to dementia, showing promising results. The objective of the present study was to verify whether the STMB test could differentiate patients with distinct biomarker profiles in the AD continuum. The sample comprised 18 cognitively unimpaired (CU) participants, 30 mild cognitive impairment (MCI) and 23 AD patients. All participants underwent positron emission tomography (PET) with Pittsburgh compound B labelled with carbon-11 ([C-11]PIB) assessing amyloid beta (A beta) aggregation (A) and 18fluorine-fluorodeoxyglucose ([F-18]FDG)-PET assessing neurodegeneration (N) (A -N-[n = 35]); A+N-[n = 11]; A+ N+ [n = 19]). Participants who were negative and positive for amyloid deposition were compared in the absence (A-N vs. A+N-) of neurodegeneration. When compared with the RAVLT and SKT memory tests, the STMB was the only cognitive task that differentiated these groups, predicting the group outcome in logistic regression analyses. The STMB test showed to be sensitive to the signs of AD pathology and may represent a cognitive marker within the AD continuum.