Thiago Junqueira Ribeiro de Rezende

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BACKGROUND AND PURPOSE Machado-Joseph disease (MJD/SCA3) is the most frequent spinocerebellar ataxia, characterized by brainstem, basal ganglia and cerebellar damage. Few magnetic resonance imaging based studies have investigated damage in the cerebral cortex. The objective was to determine whether patients with MJD/SCA3 have cerebral cortex atrophy, to(More)
BACKGROUND AND PURPOSE Amyotrophic Lateral Sclerosis (ALS) is characterized by extensive corticospinal damage, but extrapyramidal involvement is suggested in pathological studies. Texture analysis (TA) is an image processing technique that evaluates the distribution of gray levels between pixels in a given region of interest (ROI). It provides quantitative(More)
  • Camila Callegari Piccinin, Lidiane Soares Campos, Rachel Paes Guimarães, Luiza Gonzaga Piovesana, Maria Cristina Arci dos Santos, Paula Christina Azevedo +5 others
  • 2016
Parkinson’s disease (PD) is an akinetic-rigid disorder characterized by basal ganglia dysfunction and a possible cerebello-thalamo-cortical circuit involvement. This study aims to investigate the pattern of cerebellar involvement in PD and to assess whether it correlates with clinical parameters. MRI scans were acquired from 50 healthy controls (HC) and 63(More)
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