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30 results on '"Rodrigues, Erika C."'

1. Changes in neuroinflammatory biomarkers correlate with disease severity and neuroimaging alterations in patients with COVID-19 neurological complications

Author

Barros-Aragão, Fernanda G.Q., Pinto, Talita P., Carregari, Victor C., Rezende, Nathane B.S., Pinheiro, Thaís L., Reis-de-Oliveira, Guilherme, Cabral-Castro, Mauro J., Queiroz, Daniel C., Fonseca, Paula L.C., Gonçalves, Alessandro L., de Freitas, Gabriel R., Sudo, Felipe K., Mattos, Paulo, Bozza, Fernando A., Rodrigues, Erika C., Aguiar, Renato S., Rodrigues, Rosana S., Brandão, Carlos O., Souza, Andrea S., Martins-de-Souza, Daniel, De Felice, Fernanda G., and Tovar-Moll, Fernanda

Published
2024
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2. Cognitive, behavioral, neuroimaging and inflammatory biomarkers after hospitalization for COVID-19 in Brazil

Author

Kenji Sudo, Felipe, Pinto, Talita P., G. Q. Barros-Aragão, Fernanda, Bramati, Ivanei, Marins, Theo F., Monteiro, Marina, Meireles, Fernanda, Soares, Rejane, Erthal, Pilar, Calil, Victor, Assuncao, Naima, Oliveira, Natalia, Bondarovsky, Joana, Lima, Camila, Chagas, Beatriz, Batista, Alana, Lins, Julia, Pinheiro, Thaís L., Mendonca, Felippe, Silveira de Souza, Andrea, Rodrigues, Fernanda C., de Freitas, Gabriel R., Kurtz, Pedro, Mattos, Paulo, Rodrigues, Erika C., De Felice, Fernanda G., and Tovar-Moll, Fernanda

Published
2024
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4. Cognitive, behavioral, neuroimaging and inflammatory biomarkers after hospitalization for covid-19 in Brazil

Author

Kenji Sudo, Felipe, primary, Pinto, Talita P., additional, G. Q. Barros-Aragao, Fernanda, additional, Bramati, Ivanei, additional, Marins, Theo F., additional, Monteiro, Marina, additional, Meireles, Fernanda, additional, Soares, Rejane, additional, Erthal, Pilar, additional, Calil, Victor, additional, Assuncao, Naima, additional, Oliveira, Natalia, additional, Bondarovsky, Joana, additional, Lima, Camila, additional, Chagas, Beatriz, additional, Batista, Alana, additional, Lins, Julia, additional, Mendonca, Felippe, additional, Silveira de Souza, Andrea, additional, Rodrigues, Fernanda C., additional, de Freitas, Gabriel R., additional, Kurtz, Pedro, additional, Mattos, Paulo, additional, Rodrigues, Erika C., additional, De Felice, Fernanda G., additional, and Tovar-Moll, Fernanda, additional

Published
2023
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5. Neurovascular and hemodynamic responses to mental stress and exercise in severe COVID-19 survivors

Author

Faria, Diego, primary, Moll-Bernardes, Renata, additional, Testa, Laura, additional, Moniz, Camila M. V., additional, Rodrigues, Erika C., additional, Mota, Jose M., additional, Souza, Francis R., additional, Alves, Maria Janieire N. N., additional, Ono, Bruna E., additional, Izaias, João E., additional, Sales, Artur O., additional, Rodrigues, Thais S., additional, Salemi, Vera M. C., additional, Jordão, Camila P., additional, De Angelis, Katia, additional, Craighead, Daniel H., additional, Rossman, Matthew J., additional, Bortolotto, Luiz A., additional, Consolim-Colombo, Fernanda M., additional, Irigoyen, Maria C. C., additional, Seals, Douglas R., additional, Negrão, Carlos E., additional, and Sales, Allan R. K., additional

Published
2023
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7. Changes in neurodegeneration and amyloid biomarkers in patients with COVID-19 neurological complications and Alzheimer’s disease

Author

Barros-Aragão, Fernanda G. Q., primary, Pinto, Talita P., additional, Carregari, Victor C., additional, Rezende, Nathane B. S., additional, Pinheiro, Thaís L., additional, Reis-de-Oliveira, Guilherme, additional, Queiroz, Daniel C., additional, Fonseca, Paula L. C., additional, Gonçalves, Alessandro L., additional, Cabral-Castro, Mauro J., additional, Freitas, Gabriel R., additional, Vanderborgh, Bart, additional, Sudo, Felipe K., additional, Mattos, Paulo, additional, Bozza, Fernando A., additional, Rodrigues, Erika C., additional, Rodrigues, Rosana S., additional, Brandão, Carlos O., additional, Souza, Andrea S., additional, Aguiar, Renato S., additional, Martins-de-Souza, Daniel, additional, De Felice, Fernanda G., additional, and Tovar-Moll, Fernanda F., additional

Published
2023
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9. Sympathetic Neural Overdrive, Aortic Stiffening, Endothelial Dysfunction, and Impaired Exercise Capacity in Severe COVID-19 Survivors: A Mid-Term Study of Cardiovascular Sequelae

Author

Faria, Diego, primary, Moll-Bernardes, Renata J., additional, Testa, Laura, additional, Moniz, Camila M.V., additional, Rodrigues, Erika C., additional, Rodrigues, Amanda G., additional, Araujo, Amanda, additional, Alves, Maria J.N.N., additional, Ono, Bruna E., additional, Izaias, João E., additional, Salemi, Vera M.C., additional, Jordão, Camila P., additional, Amaro-Vicente, Graziela, additional, Rondon, Maria U.P.B., additional, Ludwig, Katelyn R., additional, Craighead, Daniel H., additional, Rossman, Matthew J., additional, Consolim-Colombo, Fernanda M., additional, De Angelis, Katia, additional, Irigoyen, Maria C.C., additional, Seals, Douglas R., additional, Negrão, Carlos E., additional, and Sales, Allan R.K., additional

Published
2023
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11. Poststroke consequences upon optimization properties of postural sway during upright stance: a cross-sectional study.

Author

Oliveira, Flávia A.F., Martins, Camilla P., de Oliveira, Laura A.S., Rodrigues, Erika C., Ferreira, Arthur S., and Lemos, Thiago

Subjects
STATISTICS, STROKE, POSTURAL balance, STANDING position, CROSS-sectional method, ANKLE joint, HIP joint, ONE-way analysis of variance, COMPARATIVE studies, PEARSON correlation (Statistics), T-test (Statistics), DIAGNOSIS, POSTURE, STROKE rehabilitation, STROKE patients, DESCRIPTIVE statistics, CHI-squared test, RESEARCH funding, STATISTICAL sampling, DATA analysis, DATA analysis software, WEIGHT-bearing (Orthopedics), DISEASE complications
Abstract

The understanding of human postural control has advanced with the introduction of optimization process modeling. These models, however, only provide control parameters, rather than analytical descriptors of optimization processes. Here, we use a newly developed direct (pattern) search algorithm to investigate changes in postural optimization process in poststroke individuals. This cross-sectional study investigated the optimization properties of postural stability during upright standing in poststroke individuals. Twenty-nine poststroke and 15 healthy age-matched individuals underwent posturography with a force platform while standing for 60 s for acquisition of center-of-pressure data. Poststroke individuals were grouped depending on their weight-bearing (WB) pattern and their balance capability assessed through Berg Balance Scale (BBS). The optimization properties of postural stability were computed assuming the minimization of postural sway as cost function. The asymmetric WB poststroke group showed larger convergence rate toward the local minimum of postural sway than the symmetric WB group. Additionally, the low-balance capability group exhibited smaller values for averaged local minima and global minimum of postural sway coordinates compared with high-balance capability group. Significant correlations were found for BBS and the local minima and global minimum (Pearson's r ranged 0.378–0.424, P < 0.05). In summary, the optimization properties describing postural dynamic stability, steadiness, and global reference are altered in poststroke individuals with asymmetric WB pattern and low-balance capability. [ABSTRACT FROM AUTHOR]

Published
2023
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18. Modulation of the response to a somatosensory stimulation of the hand during the observation of manual actions

Author

Hétu, Sébastien, Rodrigues, Erika C., Jackson, Philip L., Mercier, Catherine, Voisin, Julien, Vargas, Claudia D., Malouin, Francine., Chapman, C. Elaine, Hétu, Sébastien, Rodrigues, Erika C., Jackson, Philip L., Mercier, Catherine, Voisin, Julien, Vargas, Claudia D., Malouin, Francine., and Chapman, C. Elaine

Abstract

Observation of hand movements has been repeatedly demonstrated to increase the excitability of the motor cortical representation of the hand. Little attention, however, has been devoted to its effect on somatosensory processing. Movement execution is well known to decrease somatosensory cortical excitability, a phenomenon termed ‘gating’. As executed and observed actions share common cortical representations, we hypothesized that action observation (hand movements) should also modulate the cortical response to sensory stimulation of the hand. Seventeen healthy subjects participated in these experiments in which electroencephalographic (EEG) recordings of the somatosensory steady-state response (SSSR) were obtained. The SSSR provides a continuous measure of somatosensory processing. Recordings were made during a baseline condition and five observation conditions in which videos showed either a: (1) hand action; (2) passive stimulation of a hand; (3) static hand; (4) foot action; or (5) static object. The method employed consisted of applying a continuous 25 Hz vibratory stimulation to the index finger during the six conditions and measuring potential gating effects in the SSSR within the 25 Hz band (corresponding to the stimulation frequency). A significant effect of condition was found over the contralateral parietal cortex. Observation of hand actions resulted in a significant gating effect when compared to baseline (average gating of 22%). Observation of passive touch of the hand also gated the response (17% decrease). In conclusion, the results show that viewing a hand performing an action or being touched interferes with the processing of somatosensory information arising from the hand.

Published
2019

20. AN INTERIM ANALYSIS OF A DOUBLE-BLIND SHAM-CONTROLLED STUDY ON THE ACUTE EFFECTS OF TRANSCRANIAL DIRECT CURRENT STIMULATION IN OBSESSIVE-COMPULSIVE DISORDER

Author

Lins Martins, Natália M., primary, dos Santos-Ribeiro, Samara, additional, Rodrigues, Erika C., additional, Tovar-Moll, Fernanda, additional, da Victoria, Mara S., additional, Bezerra de Menezes, Gabriela M., additional, Segraves, Rebecca, additional, Yücel, Murat, additional, and Fontenelle, Leonardo F., additional

Published
2018
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27. Modulation of the response to a somatosensory stimulation of the hand during the observation of manual actions

Author

Voisin, Julien, Rodrigues, Erika C., Hétu, Sébastien, Jackson, Philip L., Vargas, Claudia D., Malouin, Francine, Chapman, C. Elaine, Mercier, Catherine, Voisin, Julien, Rodrigues, Erika C., Hétu, Sébastien, Jackson, Philip L., Vargas, Claudia D., Malouin, Francine, Chapman, C. Elaine, and Mercier, Catherine

Abstract

Observation of hand movements has been repeatedly demonstrated to increase the excitability of the motor cortical representation of the hand. Little attention, however, has been devoted to its effect on somatosensory processing. Movement execution is well known to decrease somatosensory cortical excitability, a phenomenon termed ‘gating’. As executed and observed actions share common cortical representations, we hypothesized that action observation (hand movements) should also modulate the cortical response to sensory stimulation of the hand. Seventeen healthy subjects participated in these experiments in which electroencephalographic (EEG) recordings of the somatosensory steady-state response (SSSR) were obtained. The SSSR provides a continuous measure of somatosensory processing. Recordings were made during a baseline condition and five observation conditions in which videos showed either a: (1) hand action; (2) passive stimulation of a hand; (3) static hand; (4) foot action; or (5) static object. The method employed consisted of applying a continuous 25 Hz vibratory stimulation to the index finger during the six conditions and measuring potential gating effects in the SSSR within the 25 Hz band (corresponding to the stimulation frequency). A significant effect of condition was found over the contralateral parietal cortex. Observation of hand actions resulted in a significant gating effect when compared to baseline (average gating of 22%). Observation of passive touch of the hand also gated the response (17% decrease). In conclusion, the results show that viewing a hand performing an action or being touched interferes with the processing of somatosensory information arising from the hand.

Published
2010

29. A freezing‐like posture to pictures of mutilation

Author

Azevedo, Tatiana M., primary, Volchan, Eliane, additional, Imbiriba, Luiz A., additional, Rodrigues, Erika C., additional, Oliveira, José M., additional, Oliveira, Liliam F., additional, Lutterbach, Luiz G., additional, and Vargas, Claudia D., additional

Published
2005
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30. Neurovascular and hemodynamic responses to mental stress and exercise in severe COVID-19 survivors.

Author

Faria D, Moll-Bernardes R, Testa L, Moniz CMV, Rodrigues EC, Mota JM, Souza FR, Alves MJNN, Ono BE, Izaias JE, Sales AO, Rodrigues TS, Salemi VMC, Jordão CP, De Angelis K, Craighead DH, Rossman MJ, Bortolotto LA, Consolim-Colombo FM, Irigoyen MCC, Seals DR, Negrão CE, and Sales ARK

Subjects
Adult, Humans, Middle Aged, Blood Pressure physiology, Hemodynamics, Exercise physiology, Heart Rate physiology, Sympathetic Nervous System, Forearm blood supply, Muscle, Skeletal innervation, Hand Strength, COVID-19
Abstract

Previous studies show that COVID-19 survivors have elevated muscle sympathetic nerve activity (MSNA), endothelial dysfunction, and aortic stiffening. However, the neurovascular responses to mental stress and exercise are still unexplored. We hypothesized that COVID-19 survivors, compared with age- and body mass index (BMI)-matched control subjects, exhibit abnormal neurovascular responses to mental stress and physical exercise. Fifteen severe COVID-19 survivors (aged: 49 ± 2 yr, BMI: 30 ± 1 kg/m 2 ) and 15 well-matched control subjects (aged: 46 ± 3 yr, BMI: 29 ± 1 kg/m 2 ) were studied. MSNA (microneurography), forearm blood flow (FBF), and forearm vascular conductance (FVC, venous occlusion plethysmography), mean arterial pressure (MAP, Finometer), and heart rate (HR, ECG) were measured during a 3-min mental stress (Stroop Color-Word Test) and during a 3-min isometric handgrip exercise (30% of maximal voluntary contraction). During mental stress, MSNA (frequency and incidence) responses were higher in COVID-19 survivors than in controls ( P < 0.001), and FBF and FVC responses were attenuated ( P < 0.05). MAP was similar between the groups ( P > 0.05). In contrast, the MSNA (frequency and incidence) and FBF and FVC responses to handgrip exercise were similar between the groups ( P > 0.05). MAP was lower in COVID-19 survivors ( P < 0.05). COVID-19 survivors exhibit an exaggerated MSNA and blunted vasodilatory response to mental challenge compared with healthy adults. However, the neurovascular response to handgrip exercise is preserved in COVID-19 survivors. Overall, the abnormal neurovascular control in response to mental stress suggests that COVID-19 survivors may have an increased risk to cardiovascular events during mental challenge.

Published
2023
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