A5088269233- Visual perception and processing mechanisms
- Balance, Gait, and Falls Prevention
- Color Science and Applications
- Retinal Development and Disorders
- Neural dynamics and brain function
- Color perception and design
- Mercury impact and mitigation studies
- Cerebral Palsy and Movement Disorders
- Musculoskeletal pain and rehabilitation
- Heavy Metal Exposure and Toxicity
- Glaucoma and retinal disorders
- Diabetic Foot Ulcer Assessment and Management
- EEG and Brain-Computer Interfaces
- Retinal Imaging and Analysis
- Leprosy Research and Treatment
- Retinal Diseases and Treatments
- T-cell and Retrovirus Studies
- Retinal and Optic Conditions
- Photoreceptor and optogenetics research
- Scoliosis diagnosis and treatment
- Olfactory and Sensory Function Studies
- Women's cancer prevention and management
- Ophthalmology and Visual Impairment Studies
- Systemic Lupus Erythematosus Research
- Long-Term Effects of COVID-19
Universidade Federal do Pará
2016-2025
Universidade Federal de São Paulo
2021-2025
Instituto de Medicina Tropical
2012-2024
Université de Bourgogne
2020
Universidade Cidade de São Paulo
2020
Florida International University
2020
Brazilian Academy of Sciences
2019
Centro Universitário do Maranhão
2019
Universidade Federal do Amapá
2019
Universidade do Estado do Pará
2018
Determining the characteristics, type, and severity of olfactory dysfunction in patients with long COVID is important for prognosis potential treatment affected population.To describe sociodemographic clinical features who develop persistent dysfunction.This cross-sectional study, conducted at a rehabilitation center public university Amazon region Brazil between September 9, 2020, October 20, 2021, comprised 219 self-reported neurologic symptoms. Of these patients, 139 received diagnosis...
Background: Virtual reality (VR) has been suggested as a new therapeutic approach in various sectors of rehabilitation, including the treatment patients with knee osteoarthritis (OA), and one its goals is to improve gait pattern walking ability patients. Objective: This study aimed evaluate if VR, along conventional physiotherapy (CT), superior effects kinesiotherapy alone on pain, physical capacity, balance, parameters anticipatory postural adjustments (APAs) OA. Design: single-blind...
The Timed-Up and Go (TUG) test is widely utilized by healthcare professionals for assessing fall risk mobility due to its practicality. Currently, results are based solely on execution time, but integrating technological devices into the can provide additional information enhance result accuracy. This study aimed assess reliability of smartphone-based instrumented TUG (iTUG) parameters. We conducted evaluations intra- inter-device reliabilities, hypothesizing that iTUG parameters would be...
Cataract remains a prevalent cause of visual impairment among the elderly, significantly increasing risk falls due to compromised function. removal surgery has been established as means enhance acuity and balance control. The advent novel technologies, such accelerometers integrated into smartphones, provides an opportunity assess static We compared measurements obtained from accelerometer built-in smartphones before after cataract surgery. Our sample comprised 29 individuals diagnosed with...
Objetivo: Verificar se o uso de telas é prejudicial para crianças e qual os impactos decorrentes dessa prática. Método: Foi realizada uma revisão literatura, através das bases dados Scielo, PubMed, BVSc Google Scholars, onde foram selecionados artigos capítulos livro escritos em português, inglêss espanhol, publicados entre 2018 2025. Resultados: Foram encontradas 135 publicações, quais selecionou-se 35. Conclusão: Atualmente, considera-se que excessivo telas, não for bem acompanhada, dosada...
To evaluate seminal plasma levels of Biglycan, Cystatin-S, β-2 microglobulin and inflammasome proteins to investigate their role in toxicity men with spinal cord injury (SCI). cross-sectional study. Miami Project Cure Paralysis - University / Miller School Medicine Federal Sao Paulo. Eight eight without (controls). none. Outcome measures: semen analysis as per WHO 2010 guidelines; ELISA for IL-1β, IL-18 caspase-1; Western blotting β-2microglobulin Cystatin-S proteins. Proteins from the...
To compare the spatial luminance contrast sensitivity function (CSF) obtained with transient visual evoked potentials (VEPs) that psychophysical measurements.The stimuli consisted of horizontal gratings. In VEP experiments, 0.4, 0.8, 2, 4, 8, and 10 cpd frequency were used, at 1 Hz square-wave contrast-reversal mode. Eight to Michelson contrasts used each frequency. Contrast thresholds estimated from extrapolation response functions. Psychophysical sensitivities gratings 1, 6, presented or...
The present study investigated the visual perimetry and color vision of two Amazonian populations differently exposed to mercury. Ten riverines environmentally mercury by fish eating 34 gold-miners occupationally vapor. was estimated using Förster perimeter evaluated a computerized version Farnsworth-Munsell test. Riverine gold-miners' hair concentrations were quantified. Mercury concentration significantly higher than that from gold-miners. Riverines had lower perimetric area errors in hue...
It was compared smartphone-based measurements of static balance control and mobility elderly population with without type 2 diabetes mellitus (DM2). The present cross-sectional study investigated 73 participants grouped in a group (n = 36) DM2 37). Smartphone's built inertial sensors were used to record changes the during (Timed Up Go test - TUG) tasks. variations as function time analyzed between groups. Both groups matched age, body mass index, male-female proportion, but had significant...
The luminance contrast sensitivity function has been investigated using behavioral and electrophysiological methods in many vertebrate species.Some features are conserved across species as a shape of the function, but other features, such peak value, spatial frequency peak, visual acuity have changed.Here, we review different classes vertebrates, with an emphasis on acuity.We also correlate data obtained from literature to test power association between peak.
The investigation of clinical and neurological impactations associated with exposure to mercury levels in exposed populations is necessary the Amazon.To analyze emotional motor symptoms riverside dwellers by diet municipalities Itaituba Acará, Pará, Brazil.Hair samples were collected assess total (HgT). Demographic data as well (depression, anxiety insomnia) (paresthesia, muscle weakness, loss balance when walking, tremors, limb pain dysarthria) symptomatology obtained.Mean HgT significantly...
The aim of this study is comparing the accuracies machine learning algorithms to classify data concerning healthy subjects and patients with Parkinson's Disease (PD), toward different time window lengths a number features. Thirty-two eighteen PD took part on study. obtained inertial recordings by using an accelerometer gyroscope assessing both hands during hand resting state. We extracted temporal frequency domain features feed seven algorithms: k-nearest-neighbors (kNN); logistic...
No presente estudo, foram avaliados comparativamente os níveis atuais de exposição ao mercúrio e as manifestações neurológicas em ribeirinhos residentes comunidades situadas no Estado do Pará, Brasil. Participaram estudo 78 Barreiras (bacia rio Tapajós), 30 São Luiz Tapajós Tapajós) 49 Furo Maracujá Tocantins). As concentrações total quantificadas, cabelo, pela espectrofotometria absorção atômica, a avaliação neurológica foi realizada por meio testes rotina. nas maiores que Tocantins (p <...
Cervical cancer (CC) is the most common type of in women and third leading cause death developing countries, causing more than 288,000 deaths worldwide each year. The favourable survival rate developed since CC mortality has recently declined those countries. purpose this study was to determine associated factors patients at a reference hospital Amazon region. patient sample included records 339 with cervical who had been hospitalized Belém, Pará, Brazil from January 2005 December 2010;...
Luminance contrast sensitivity and colour vision are considered to have great predictive value in the evaluation of type 2 diabetic retinopathy. However, these two visual characteristics seldom been investigated same group patients. In present study we measured a patients with diabetes correlated results estimates common metabolic markers for disease. A subgroup had no clinical signs The 27 (n = 50 eyes) diabetes, retinopathy 20 eyes), or without 30 were evaluated using psychophysical tests,...
Alcohol consumption among young adults is widely accepted in modern society and may be the starting point for abusive use of alcohol at later stages life. Chronic exposure can lead to visual function impairment. In present study, we investigated spatial luminance contrast sensitivity, colour arrangement ability, discrimination thresholds on that weekly consume alcoholic beverages without clinical concerns. Twenty-four were evaluated by an ophthalmologist performed three psychophysical tests...
Riverine communities are exposed to mercury due the high ingestion of fish in their diet. In order evaluate levels exposure Tapajós region, also assessing frequency, a study was conducted adults living riverine municipality Itaituba State Pará. Hair samples were collected for determination total and weekly frequency data recorded. The mean concentration varied from 7.25μg/g (in 2013) 10.80μg/g 2014), with no significant difference being observed (p = 0.1436). As majority individuals...
Introduction Poor sleep quality have been widely reported in patients with long COVID. Determining the characteristics, type, severity, and relationship of COVID other neurological symptoms is essential for prognosis management poor quality. Methods This cross-sectional study was conducted at a public university eastern Amazon region Brazil between November 2020 October 2022. The involved 288 self-report symptoms. One hundred thirty-one were evaluated by using standardised protocols:...
Abstract Background Leprosy is a chronic infectious disease caused by Mycobacterium leprae , predominantly affecting the peripheral nerves, resulting in sensory and motor deficits feet. Foot ulcers imbalances are frequent manifestations leprosy, often correlating with diminished sensitivity. While clinical scales monofilament esthesiometers conventionally utilized to evaluate foot sensitivity balance these patients, their discriminatory power limited effectiveness greatly dependent on...