Grace Helena Letro

ORCID: 0000-0002-3815-9514
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About
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Research Areas
  • Parkinson's Disease Mechanisms and Treatments
  • Neurological disorders and treatments
  • Autism Spectrum Disorder Research
  • Ginkgo biloba and Cashew Applications
  • Dementia and Cognitive Impairment Research
  • Restless Legs Syndrome Research
  • Biotechnology and Related Fields
  • Genetics and Neurodevelopmental Disorders
  • Alzheimer's disease research and treatments
  • Botulinum Toxin and Related Neurological Disorders
  • Nuclear Receptors and Signaling

Pontifícia Universidade Católica de Campinas
2009-2025

Universidade Estadual de Campinas (UNICAMP)
2009

The objective of this study was to evaluate relationships between quantitative EEG (qEEG) changes and cognitive disturbance (mild impairment or dementia) the motor stage in Parkinson's disease (PD). Thirty-two PD patients (age = 67.2 +/- 10.0) 26 normal subjects 68.4 4.7) were assessed using a neurological evaluation, modified Hoehn Yahr (HY) scale for PD, Portuguese version CERAD neuropsychological battery (consortium establish registry Alzheimer's disease) incorporating Mini-mental Status...

10.1177/155005940904000309 article EN Clinical EEG and Neuroscience 2009-07-01
Janvi Ramchandra Miguel Inca‐Martinez Thiago Peixoto Leal Henry Mauricio Chaparro‐Solano Amira Salim and 74 more Emilia Gatto Natalia González Rojas Gustavo Da Prat Federico Micheli Bruno Lopes Santos‐Lobato Francisco Cardoso Sarah Camargos Grace Helena Letro Pedro Braga‐Neto Vinícius Peixoto Artur Francisco Schumacher Schuh Vítor Tumas Manuelina Mariana Capellari Macruz Brito Vanderci Borges Carolina Candeias da Silva Henrique Ballalai Ferraz Pedro Chaná‐Cuevas Paula Saffie Awad Patricio Olguı́n Alicia Colombo Andrés de la Cerda Gonzalo Farías Juan-Cristobal Nuñez Gonzálo Arboleda Humberto Granados William Fernández Carlos Bustos Jorge Orozco Beatriz Muñoz Carlos Velez‐Pardo Marlene Jiménez-Del-Río Francisco Lopera Sonia Carreño-Moreno David Pineda Omar Buriticá Gabriel Torrealba‐Acosta Alex Medina Escobar Mayela Rodríguez‐Violante Ana J. Hernández-Medrano Daniel Martínez-Ramírez Mirna González‐González Miguel E. Rentería Sarael Alcauter Paula Reyes‐Pérez Alejandra Medina-Rivera Damaris Vazquez‐Guevara Lucero de María Ugalde-Mejía Maritza J Valadez M Omar Cárdenas-Saénz Ildefonso Rodríguez‐Leyva Carlos M. Guerra-Galicia Nadia A. Gandarilla-Martínez Yamil Matuk-Pérez Eugenia Morelos-Figaredo Karla Salinas-Barboza Sara Isais-Millán Teresa Pérez-Torres Diana C Deras Gaucin Alejandra E. Ruíz-Contreras Ingrid Estrada‐Bellmann Julia Rios‐Pinto Mario Cornejo‐Olivas Carlos Cosentino Luis Alberto Ramírez Nicanor Mori Koni Mejía-Rojas Ángel C. Medina Iván Cornejo-Herrera Enna Cossío Ochoa Ángel Viñuela Elena Diéguez Ignacio Amorín Andrés G. Lescano Ignácio F. Mata

Age and sex are known risk factors for Parkinson's Disease (PD), but it remains controversial if there differences in the diagnosis latency. The objective of this study was to examine these Latin America. American Research Consortium on Genetics PD (LARGE-PD) includes patients from countries across America who were diagnosed using UK Brain Bank criteria. Ages at onset (AAO; N = 2,792), (AAD; 1,416), calculated latency (N 1,416) extracted LARGE-PD database compared both males females overall,...

10.1016/j.parkreldis.2025.107344 article EN cc-by Parkinsonism & Related Disorders 2025-02-26

The objective of this research was to assess the occurrence cognitive impairment in 32 individuals (average age: 67.2 years old) with Parkinson' disease (PD). Procedures: clinical-neurological assessment; modified Hoehn and Yahr staging scale (HYS); standard neuropsychological battery CERAD (Consortium Establish a Registry for Alzheimer' Disease); Pfeffer questionnaire; Clinical Dementia Rating. A comparison made control group (CG), consisting 26 similar age educational level but without...

10.1590/s0004-282x2009000300010 article EN cc-by-nc Arquivos de Neuro-Psiquiatria 2009-06-01

Pain may precede the diagnosis in Parkinson's disease (PD). The goal of this study was to assess pain a group 20 females and 30 males with PD, after excluding co-morbidities as causes. It used following tools: Unified Disease Rating Scale, McGill questionnaire Beck Depression Inventory. In 27 patients (54%), associated occurring 22 (44%) off period 5 (10%) both on periods. resulted an increased frequency pain, which related stiffness. There no association between tremor period, neither...

10.1590/s0004-282x2009000400003 article EN cc-by-nc Arquivos de Neuro-Psiquiatria 2009-09-01
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