ELIANE CORREA MIOTTO
Projetos de Pesquisa
Unidades Organizacionais
Instituto Central, Hospital das Clínicas, Faculdade de Medicina
LIM/44 - Laboratório de Ressonância Magnética em Neurorradiologia, Hospital das Clínicas, Faculdade de Medicina
LIM/45 - Laboratório de Fisiopatologia Neurocirúrgica, Hospital das Clínicas, Faculdade de Medicina
LIM/44 - Laboratório de Ressonância Magnética em Neurorradiologia, Hospital das Clínicas, Faculdade de Medicina
LIM/45 - Laboratório de Fisiopatologia Neurocirúrgica, Hospital das Clínicas, Faculdade de Medicina
9 resultados
Resultados de Busca
Agora exibindo 1 - 9 de 9
- Performance of a sample of patients with Mild Cognitive Impairment (MCI), Alzheimer's Disease (AD) and healthy elderly on a lexical decision test (LDT) as a measure of pre-morbid intelligence(2015) SERRAO, Valéria Trunkl; BRUCKI, Sônia Maria Dozzi; CAMPANHOLO, Kenia Repiso; MANSUR, Letícia Lessa; NITRINI, Ricardo; MIOTTO, Eliane CorreaObjective: The objective of this study was to describe the performance of healthy elderly patients with aging-related pathologies (MCI) and patients with AD on a lexical decision test. Methods: The study included 38 healthy elderly subjects, 61 MCI and 26 AD patients from the Neurology Department of the Hospital das Clinicas, Behavioral and Cognitive Neurology Group. The neuropsychological instruments included the episodic memory test (RAVLT), subtests from the WAIS-III (Matrix Reasoning and Vocabulary) to determine estimated IQ, the Boston naming test (BNT) and Lexical Decision Test (LDT).Results:All groups differed on the MMSE, as expected according to their pathologies, memory tests, naming and estimated IQ. For the vocabulary and the LDT - measures of crystalized intelligence no differences were found. Conclusion: The LDT demonstrated that lexical decision can be used as a measure of pre-morbid IQ among the individuals assessed in a Brazilian sample.
- Brain regions supporting verbal memory improvement in healthy older subjects(2014) MIOTTO, Eliane C.; BALARDIN, Joana B.; SAVAGE, Cary R.; MARTIN, Maria da Graca M.; BATISTUZZO, Marcelo C.; AMARO JUNIOR, Edson; NITRINI, RicardoDespite growing interest in developing cognitive training interventions to minimize the aging cognitive decline process, no studies have attempted to explore which brain regions support the application of semantic strategies during verbal memory encoding. Our aim was to investigate the behavioral performance and brain correlates of these strategies in elderly individuals using fMRI in healthy older subjects. Method: Subjects were scanned twice on the same day, before and after, directed instructions to apply semantic strategies during the encoding of word lists. Results: Improved memory performance associated to increased semantic strategy application and brain activity in the left inferior and middle and right medial superior prefrontal cortex were found after the directed instructions. There was also reduced activation in areas related to strategy mobilization. Conclusion: Improved memory performance in older subjects after the application of semantic strategies was associated with functional brain reorganization involving regions inside and outside the typical memory network.
- The (in)visible Brazilians: A perspective review on the need for brain health and dementia research with Brazilian immigrants in the United States(2023) SIMON, Sharon Sanz; BRUCKI, Sonia Maria Dozzi; FONSECA, Luciana Mascarenhas; BECKER, Jacqueline; CAPPI, Carolina; MARQUES, Andrea Horvath; HEYN, Patricia C.; GONCALVES, Priscila Dib; MARTINS, Silvia S.; BUSATTO, Geraldo; SUEMOTO, Claudia Kimie; NITRINI, Ricardo; CARAMELLI, Paulo; YASSUDA, Monica Sanches; MIOTTO, Eliane Correa; GRINBERG, Lea Tenenholz; RENTERIA, Miguel Arce; ALEGRIA, Margarita; STERN, Yaakov; RIVERA-MINDT, Monica; BERTOLA, LaissIntroduction: The Brazilian population in the United States (U.S.), a Latinx subgroup, is rapidly growing and aging but remains underrepresented in U.S. health research. In addition to group-specific genetic and environmental risks, Brazilian immigrants and their offspring in the U.S. likely have cumulative risks for health inequities. It is estimated that 71% of Brazilian immigrants in the U.S. are undocumented, which may limit healthcare access/utilization. Furthermore, mental health is reported as a health priority by Brazilian immigrants in the U.S., and there is a lack of research on Alzheimer's disease and related dementia (AD/ADRD) in this population.Methods: We reviewed the scientific literature using traditional (e.g., PubMed) sources and databases generated by U.S. and Brazilian governments, as well as international organizations, and press articles.Results: This perspective review lists recommendations for researchers, health providers, and policymakers to promote greater inclusion of U.S. Brazilian populations in health research and care. The review identifies research areas in need of attention to address health inequities and promote mental/brain health in Brazilian immigrants and their offspring living in the U.S. These research areas are: 1) epidemiological studies to map the prevalence and incidence of mental/brain health conditions; 2) research on aging and AD/ADRD risk factors among Brazilian populations in the U.S.; and 3) the need for greater representation of U.S-residing Brazilian population in other relevant research areas involving genetics, neuropathology, and clinical trials.Conclusions: The recommendation and research efforts proposed should help to pave the way for the development of community-engagement research and to promote mental/brain health education, improvement of mental/brain health and AD/ADRD services, and the development of culturally-informed intervention to the U.S.-residing Brazilian communities.
- Differences in prefrontal cortex activation and deactivation during strategic episodic verbal memory encoding in mild cognitive impairment(2015) BALARDIN, Joana B.; BATISTUZZO, Marcelo C.; MARTIN, Maria da Graca Moraes; SATO, Joao R.; SMID, Jerusa; PORTO, Claudia; SAVAGE, Cary R.; NITRINI, Ricardo; AMARO JR., Edson; MIOTTO, Eliane C.In this study we examined differences in fMRI activation and deactivation patterns during episodic verbal memory encoding between individuals with MCI (n = 18) and healthy controls (HCs) (n = 17). Participants were scanned in two different sessions during the application of self-initiated or directed instructions to apply semantic strategies at encoding of word lists. MCI participants showed reduced free recall scores when using self-initiated encoding strategies that were increased to baseline controls' level after directed instructions were provided. During directed strategic encoding, greater recruitment of frontoparietal regions was observed in both MCI and control groups; group differences between sessions were observed in the ventromedial prefrontal cortex and the right superior frontal gyrus. This study provides evidence suggesting that differences of activity in these regions may be related to encoding deficits in MCI, possibly mediating executive functions during task performance.
- Episodic Memory, Hippocampal Volume, and Function for Classification of Mild Cognitive Impairment Patients Regarding Amyloid Pathology(2022) MIOTTO, Eliane Correa; BRUCKI, Sonia Maria Dozzi; CERQUEIRA, Carlos T.; BAZAN, Paulo R.; SILVA, Geise Aline de Almeida; MARTIN, Maria da Graca M.; SILVEIRA, Paula Squarzoni da; FARIA, Daniele de Paula; COUTINHO, Artur Martins; BUCHPIGUEL, Carlos Alberto; BUSATTO FILHO, Geraldo; NITRINI, RicardoBackground: Previous studies of hippocampal function and volume related to episodic memory deficits in patients with amnestic mild cognitive impairment (aMCI) have produced mixed results including increased or decreased activity and volume. However, most of them have not included biomarkers, such as amyloid-beta (A beta) deposition which is the hallmark for early identification of the Alzheimer's disease continuum. Objective: We investigated the role of A beta deposition, functional hippocampal activity and structural volume in aMCI patients and healthy elderly controls (HC) using a new functional MRI (fMRI) ecological episodic memory task. Methods: Forty-six older adults were included, among them A beta PET PIB positive (PIB+) aMCI (N = 17), A beta PET PIB negative (PIB-) aMCI (N = 15), and HC (N = 14). Hippocampal volume and function were analyzed using Freesurfer v6.0 and FSL for news headlines episodic memory fMRI task, and logistic regression for group classification in conjunction with episodic memory task and traditional neuropsychological tests. Results: The aMCI PIB+ and PIB- patients showed significantly worse performance in relation to HC in most traditional neuropsychological tests and within group difference only on story recall and the ecological episodic memory fMRI task delayed recall. The classification model reached a significant accuracy (78%) and the classification pattern characterizing the PIB+ included decreased left hippocampal function and volume, increased right hippocampal function and volume, and worse episodic memory performance differing from PIB- which showed increased left hippocampus volume. Conclusion: The main findings showed differential neural correlates, hippocampal volume and function during episodic memory in aMCI patients with the presence of A beta deposition.
- Dementia in Latin America: Paving the way toward a regional action plan(2021) PARRA, Mario Alfredo; BAEZ, Sandra; SEDENO, Lucas; CAMPO, Cecilia Gonzalez; SANTAMARIA-GARCIA, Hernando; APRAHAMIAN, Ivan; BERTOLUCCI, Paulo H. F.; BUSTIN, Julian; BICALHO, Maria Aparecida Camargos; CANO-GUTIERREZ, Carlos; CARAMELLI, Paulo; CHAVES, Marcia L. F.; COGRAM, Patricia; BEBER, Barbara Costa; COURT, Felipe A.; SOUZA, Leonardo Cruz de; CUSTODIO, Nilton; DAMIAN, Andres; CRUZ, Myriam de la; RODRIGUEZ, Roberta Diehl; BRUCKI, Sonia Maria Dozzi; FAJERSZTAJN, Lais; FARIAS, Gonzalo A.; FELICE, Fernanda G. De; FERRARI, Raffaele; OLIVEIRA, Fabricio Ferreira de; FERREIRA, Sergio T.; FERRETTI, Ceres; BALTHAZAR, Marcio Luiz Figueredo; FROTA, Norberto Anizio Ferreira; FUENTES, Patricio; GARCIA, Adolfo M.; GARCIA, Patricia J.; PORTO, Fabio Henrique de Gobbi; PENAILILLO, Lissette Duque; ENGLER, Henry Willy; MAIER, Irene; MATA, Ignacio F.; GONZALEZ-BILLAULT, Christian; LOPEZ, Oscar L.; MORELLI, Laura; NITRINI, Ricardo; QUIROZ, Yakeel T.; BARRAGAN, Alejandra Guerrero; HUEPE, David; PIO, Fabricio Joao; SUEMOTO, Claudia Kimie; KOCHHANN, Renata; KOCHEN, Silvia; KUMFOR, Fiona; LANATA, Serggio; MILLER, Bruce; MANSUR, Leticia Lessa; HOSOGI, Mirna Lie; LILLO, Patricia; GUERRA, Jorge Llibre; LIRA, David; LOPERA, Francisco; COMAS, Adelina; AVILA-FUNES, Jose Alberto; SOSA, Ana Luisa; RAMOS, Claudia; RESENDE, Elisa de Paula Franca; SNYDER, Heather M.; TARNANAS, Ioannis; YOKOYAMA, Jenifer; LLIBRE, Juan; CARDONA, Juan Felipe; POSSIN, Kate; KOSIK, Kenneth S.; MONTESINOS, Rosa; MOGUILNER, Sebastian; SOLIS, Patricia Cristina Lourdes; FERRETTI-REBUSTINI, Renata Eloah de Lucena; RAMIREZ, Jeronimo Martin; MATALLANA, Diana; MBAKILE-MAHLANZA, Lingani; TON, Alyne Mendonca Marques; TAVARES, Ronnielly Melo; MIOTTO, Eliane C.; MUNIZ-TERRERA, Graciela; MUNOZ-NEVAREZ, Luis Arnoldo; OROZCO, David; OLIVEIRA, Maira Okada de; PIGUET, Olivier; CAIPA, Maritza Pintado; ESCUDERO, Stefanie Danielle Pina; SCHILLING, Lucas Porcello; PALMEIRA, Andre Luiz Rodrigues; YASSUDA, Monica Sanches; SANTACRUZ-ESCUDERO, Jose Manuel; SERAFIM, Rodrigo Bernardo; SMID, Jerusa; SLACHEVSKY, Andrea; SERRANO, Cecilia; SOTO-ANARI, Marcio; TAKADA, Leonel Tadao; GRINBERG, Lea Tenenholz; TEIXEIRA, Antonio Lucio; BARBOSA, Maira Tonidandel; TREPEL, Dominic; IBANEZ, AgustinAcross Latin American and Caribbean countries (LACs), the fight against dementia faces pressing challenges, such as heterogeneity, diversity, political instability, and socioeconomic disparities. These can be addressed more effectively in a collaborative setting that fosters open exchange of knowledge. In this work, the Latin American and Caribbean Consortium on Dementia (LAC-CD) proposes an agenda for integration to deliver a Knowledge to Action Framework (KtAF). First, we summarize evidence-based strategies (epidemiology, genetics, biomarkers, clinical trials, nonpharmacological interventions, networking, and translational research) and align them to current global strategies to translate regional knowledge into transformative actions. Then we characterize key sources of complexity (genetic isolates, admixture in populations, environmental factors, and barriers to effective interventions), map them to the above challenges, and provide the basic mosaics of knowledge toward a KtAF. Finally, we describe strategies supporting the knowledge creation stage that underpins the translational impact of KtAF.
- The (in)visible Brazilians: A perspective review on the need for brain health and dementia research with Brazilian immigrants in the United States ( vol 9, e12425, 2023)(2023) SIMON, Sharon Sanz; BRUCKI, Sonia Maria Dozzi; FONSECA, Luciana Mascarenhas; BECKER, Jacqueline; CAPPI, Carolina; MARQUES, Andrea Horvath; HEYN, Patricia C.; GONCALVES, Priscila Dib; MARTINS, Silvia S.; BUSATTO, Geraldo; BERTOLA, Laiss; SUEMOTO, Claudia Kimie; NITRINI, Ricardo; CARAMELLI, Paulo; YASSUDA, Monica Sanches; MIOTTO, Eliane Correa; GRINBERG, Lea Tenenholz; RENTERIA, Miguel Arce; ALEGRIA, Margarita; STERN, Yaakov; RIVERA-MINDT, Monica
- Boston Naming Test (BNT) original, Brazilian adapted version and short forms: normative data for illiterate and low-educated older adults(2017) LEITE, Karla Shimura Barea; MIOTTO, Eliane Correa; NITRINI, Ricardo; YASSUDA, Monica SanchesBackground: The aims of this study were (1) to describe and compare the performance of illiterate and low-educated older adults, without evidence of cognitive impairment, on different versions of the Boston Naming Test (BNT) original, Brazilian adapted, abbreviated 30-item (even and odd) and 15-item from the CERAD (Consortium to Establish a Registry for Alzheimer's Disease) battery; (2) to compare performance on the original versus adapted versions of the BNT. Methods: A total of 180 healthy older adults (60 years or older) were stratified according to educational level (0, 1-2, and 3-4 years), and age (60-69, 70-79, and 80 years). The protocol comprised the following instruments: Mini-Mental State Examination (MMSE), Brief Cognitive Screening Battery (BCSB), Functional Activities Questionnaire (FAQ), Geriatric Depression Scale (GDS), and the BNT. Results: The illiterate participants had poorer performance than the educated participants. The performance of the two educated groups was similar on all versions of the BNT. A higher number of correct responses were observed on the adapted BNT than on the original BNT in all three education groups. Conclusions: The adapted BNT appears to be the most suitable for use in the low-educated Brazilian population. The present study provided normative data for low-educated elderly on several different versions of the BNT, which may be helpful in diagnosing naming deficits among elderly in these strata of the population.
- Biomarkers for dementia in Latin American countries: Gaps and opportunities(2023) PARRA, Mario A.; ORELLANA, Paulina; LEON, Tomas; VICTORIA, Cabello G.; HENRIQUEZ, Fernando; GOMEZ, Rodrigo; AVALOS, Constanza; DAMIAN, Andres; SLACHEVSKY, Andrea; IBANEZ, Agustin; ZETTERBERG, Henrik; TIJMS, Betty M.; YOKOYAMA, Jennifer S.; PINA-ESCUDERO, Stefanie D.; COCHRAN, J. Nicholas; MATALLANA, Diana L.; ACOSTA, Daisy; ALLEGRI, Ricardo; ARIAS-SUAREZ, Bianca P.; BARRA, Bernardo; BEHRENS, Maria Isabel; BRUCKI, SoniaM. D.; BUSATTO, Geraldo; CARAMELLI, Paulo; CASTRO-SUAREZ, Sheila; CONTRERAS, Valeria; CUSTODIO, Nilton; DANSILIO, Sergio; CRUZ-PUEBLA, Myriam De la; SOUZA, Leonardo Cruz de; DIAZ, Monica M.; DUQUE, Lissette; FARIAS, Gonzalo A.; FERREIRA, Sergio T.; GUIMET, Nahuel Magrath; KMAID, Ana; LIRA, David; LOPERA, Francisco; MEZA, Beatriz Mar; MIOTTO, Eliane C.; NITRINI, Ricardo; NUNEZ, Alberto; O'NEILL, Santiago; OCHOA, John; PINTADO-CAIPA, Maritza; RESENDE, Elisa de Paula Franca; RISACHER, Shannon; ROJAS, Luz Angela; SABAJ, Valentina; SCHILLING, Lucas; SELLEK, Allis F.; SOSA, Ana; TAKADA, Leonel T.; TEIXEIRA, Antonio L.; UNAUCHO-PILALUMBO, Martha; DURAN-ANIOTZ, ClaudiaLimited knowledge on dementia biomarkers in Latin American and Caribbean (LAC) countries remains a serious barrier. Here, we reported a survey to explore the ongoing work, needs, interests, potential barriers, and opportunities for future studies related to biomarkers. The results show that neuroimaging is the most used biomarker (73%), followed by genetic studies (40%), peripheral fluids biomarkers (31%), and cerebrospinal fluid biomarkers (29%). Regarding barriers in LAC, lack of funding appears to undermine the implementation of biomarkers in clinical or research settings, followed by insufficient infrastructure and training. The survey revealed that despite the above barriers, the region holds a great potential to advance dementia biomarkers research. Considering the unique contributions that LAC could make to this growing field, we highlight the urgent need to expand biomarker research. These insights allowed us to propose an action plan that addresses the recommendations for a biomarker framework recently proposed by regional experts.