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Listar por tema "Magnetic Resonance Imaging"

Listar por tema "Magnetic Resonance Imaging"

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  • Abnormal brain network community structure related to psychological stress in schizophrenia 
    Castro, Mariana Nair; Bocaccio, Hernán; De Pino, Gabriela; Sánchez, Stella Maris; Wainsztein, Agustina Edith; Drucaroff, Lucas Javier; Costanzo, Elsa; Crossley, Nicolas; Mirta Fabiana, Villarreal; Guinjoan, Salvador Martín (Elsevier, 2023-02-15)
    Recent functional imaging studies in schizophrenia consistently report a disruption of brain connectivity. However, most of these studies analyze the brain connectivity during resting state. Since psychological stress is ...
  • An fMRI study of cognitive reappraisal in major depressive disorder and borderline personality disorder 
    De la Peña-Arteaga, Víctor; Berruga-Sánchez, Mercedes; Steward, Trevor; Martínez-Zalacaín, Ignacio; Goldberg, Ximena; Wainsztein, Agustina Edith; Abulafia, Carolina; Cardoner, Narcís; Castro, Mariana Nair; Villarreal, Mirta Fabiana; Menchón, José Manuel; Guinjoan, Salvador Martín; Soriano-Mas, Carles (Cambridge University Press, 2021-09-01)
    Background: One common denominator to the clinical phenotypes of borderline personality disorder (BPD) and major depressive disorder (MDD) is emotion regulation impairment. Although these two conditions have been extensively ...
  • Are Brain Responses to Emotion a Reliable Endophenotype of Schizophrenia? An Image-Based Functional Magnetic Resonance Imaging Meta-analysis 
    Fiorito, Anna M.; Aleman, André; Blasi, Giuseppe; Bourque, Josiane; Cao, Hengyi; Chan, Raymond C.K.; Chowdury, Asadur; Conrod, Patricia; Diwadkar, Vaibhav A.; Goghari, Vina M.; Guinjoan, Salvador Martín; Gur, Raquel E.; Gur, Ruben C.; Kwon, Jun Soo; Lieslehto, Johannes; Lukow, Paulina B.; Meyer-Lindenberg, Andreas; Modinos, Gemma; Quarto, Tiziana; Villarreal, Mirta Fabiana (Elsevier, 2022-06-22)
    Background: Impaired emotion processing constitutes a key dimension of schizophrenia and a possible endophenotype of this illness. Empirical studies consistently report poorer emotion recognition performance in patients ...
  • Assessing robustness and generalization of a deep neural network for brain MS lesion segmentation on real-world data 
    Chaves, Hernán; Serra, María Mercedes; Shalom, Diego E.; Ananía, Pilar; Rueda, Fernanda; Osa Sanz, Emilia; Stefanoff, Nadia Ivanna; Rodríguez Murúa, Sofía; Costa, Martín Elías; Kitamura, Felipe C.; Yañez, Paulina; Cejas, Claudia Patricia; Correale, Jorge; Ferrante, Enzo; Fernández Slezak, Diego; Farez, Mauricio Franco (Springer, 2023-08-31)
    Objectives: Evaluate the performance of a deep learning (DL)-based model for multiple sclerosis (MS) lesion segmentation and compare it to other DL and non-DL algorithms. Methods: This ambispective, multicenter study ...
  • An Attypical Choroid Plexus Papilloma of IV Ventricle with Dissemination to a Sacral Tarlov Cyst: A Case Report 
    Gentile, Aixa; Diez, Blanca; Cervio, Andrés Eduardo; Arakaki, Naomi; Cejas, Claudia Patricia (Remedy Publications, 2019-02-07)
    Choroid Plexus Papillomas (CPP) is uncommon tumors of the CNS. Atypical CPPs represent an intermediate-grade subtype (Grade II) introduced in the update 2007 of the WHO classification. Distal spread of atypical CPPs ...
  • The avalanche-like behaviour of large-scale haemodynamic activity from wakefulness to deep sleep 
    Bocaccio, Hernán; Pallavicini, Carla; Castro, Mariana Nair; Sánchez, Stella Maris; De Pino, Gabriela; Laufs, Helmut; Villarreal, Mirta Fabiana; Tagliazucchi, Enzo (Royal Society, 2019-09-11)
    Increasing evidence suggests that responsiveness is associated with critical or near-critical cortical dynamics, which exhibit scale-free cascades of spatio-temporal activity. These cascades, or 'avalanches', have been ...
  • Biomarcadores radiológicos en RM para una aproximación al diagnóstico molecular en gliomas IDH-mutados (grado II y III) 
    Darakdjian, Maximiliano; Osa Sanz, Emilia; Hernández Pinzón, Jairo; Carnevale, Martín Diego; Diebel, Alfonsina; Arakaki, Naomi; Martinetto, Horacio; Sevlever, Gustavo Emilio; Yáñez, Paulina (Sociedad Argentina de Radiología, 2021-12-22)
    Objetivo: Analizar características por resonancia magnética (RM) de gliomas IDH-mutados (grado II y III) en base a parámetros cualitativos, a fin de valorar el rendimiento del signo del mismatch T2-FLAIR y otras ...
  • Brain volumes quantification from MRI in healthy controls: Assessing correlation, agreement and robustness of a convolutional neural network-based software against FreeSurfer, CAT12 and FSL 
    Chaves, Hernán; Dorr, Francisco; Costa, Martín Elías; Serra, María Mercedes; Fernández Slezak, Diego; Farez, Mauricio Franco; Sevlever, Gustavo Emilio; Yáñez, Paulina; Cejas, Claudia Patricia (Masson, 2020-10-01)
    Background and purpose: There are instances in which an estimate of the brain volume should be obtained from MRI in clinical practice. Our objective is to calculate cross-sectional robustness of a convolutional neural ...
  • Caracterización de la transición entre estados de salud usando correlaciones espaciales y temporales de la señal cerebral de resonancia magnética funcional (fMRI) y de difusión (dMRI). 
    Sánchez, Stella Maris (2021)
    Caracterizar el funcionamiento y la estructura del cerebro humano conforma uno de los desafíos más interesantes desde tiempos inmemoriales. Entender sus posibles estados y alteraciones a partir de las bases del conocimiento ...
  • Childhood adversity modulates structural brain changes in borderline personality but not in major depression disorder. 
    Camacho Téllez, Vicente; Castro, Mariana Nair; Wainsztein, Agustina Edith; Goldberg, Ximena; De Pino, Gabriela; Costanzo, Elsa; Cardoner, Narcís; Menchón, José Manuel; Soriano-Mas, Carles; Guinjoan, Salvador Martín; Villarreal, Mirta Fabiana (Elsevier, 2024-03-01)
    Adverse childhood experiences (ACEs) negatively affect the function and structure of emotion brain circuits, increasing the risk of various psychiatric disorders. It is unclear if ACEs show disorder specificity with respect ...
  • Clasificación de estados cerebrales basada en la identificación automática de fenómenos críticos. 
    Bocaccio, Hernán (2021)
    En esta tesis se estudió el cerebro y sus propiedades emergentes bajo el marco de los sistemas complejos. En este terreno, la emergencia de la consciencia tiene la particularidad de ser uno de los temas más misteriosos y ...
  • Cytotoxic lesion of the corpus callosum in a patient with aphasic status epilepticus 
    Castiglione, Juan Ignacio; Ricciardi, Mario Emiliano; Bensi, Catalina (Universidad de la Costa, 2020-12-07)
    A 47-year-old man with a history of aphasic seizures presented to the emergency room with a 12-hour global aphasia. Upon admission, brain MRI did not reveal acute lesions, and EEG showed sharp waves in the left frontal-temporal ...
  • Development of an online calculator for the prediction of seizure freedom following pediatric hemispherectomy using the Hemispherectomy Outcome Prediction Scale (HOPS) 
    Weil, Alexander G.; Dimentberg, Evan; Lewis, Evan C.; Ibrahim, George M.; Kola, Olivia; Tseng, Chi-Hong; Chen, Jia-Shu; Lin, Kao-Min; Cai, Li-Xin; Liu, Qing-Zhu; Lin, Jiu-Luan; Zhou, Wen-Jing; Mathern, Gary W.; Smyth, Matthew D.; O'Neill, Brent R.; Dudley, Roy; Ragheb, John; Pociecha, Juan; Chamorro, Noelia; Muro, Valeria L. (Wiley, 2023-06-22)
    Objectives: Although hemispheric surgeries are among the most effective procedures for drug-resistant epilepsy (DRE) in the pediatric population, there is a large variability in seizure outcomes at the group level. A ...
  • Differential diagnosis of suspected multiple sclerosis: an updated consensus approach 
    Solomon, Andrew J.; Arrambide, Georgina; Brownlee, Wallace J.; Flanagan, Eoin P.; Amato, María Pía; Amezcua, Lilyana; Banwell, Brenda L.; Barkhof, Frederik; Corboy, John R.; Correale, Jorge; Fujihara, Kazuo; Graves, Jennifer; Harnegie, Mary Pat; Hemmer, Bernhard; Lechner-Scott, Jeannette; Marrie, Ruth Ann; Newsome, Scott D.; Rocca, Maria A.; Royal, Walter; Waubant, Emmanuelle L. (Lancet, 2023-07-19)
    Accurate diagnosis of multiple sclerosis requires careful attention to its differential diagnosis-many disorders can mimic the clinical manifestations and paraclinical findings of this disease. A collaborative effort, ...
  • Estudio de las características del procesamiento emocional en la psicosis. 
    Drucaroff, Lucas Javier (2018)
    Las psicosis son un conjunto de cuadros clínicos que se asocian con un elevado impacto en salud pública, el trastorno paradigmático del grupo es la esquizofrenia. Hasta el momento no se dispone de ninguna prueba ni biomarcador ...
  • Evaluación dinámica del LCR: utilidad diagnóstica de las imágenes por contraste de fase 
    Aguilar, Martín Santiago; Lombardero, Javier (Fleni, 2017)
    Las imágenes por contraste de fase en resonancia magnética, permiten el estudio dinámico del LCR, tanto cualitativamente como en forma cuantitativa, mediante la adquisición de secuencias de dirección opuesta sincronizadas ...
  • Frequency and Patterns of Brain Infarction in Patients With Embolic Stroke of Undetermined Source: NAVIGATE ESUS Trial 
    Sharma, Mukul; Smith, Eric E.; Pearce, Lesly A.; Shoamanesh, Ashkan; Perera, Kanjana S.; Coutts, Shelagh B.; Damgaard, Dorte; Ameriso, Sebastián Francisco; Rha, Joung-Ho; Modrau, Boris; Yoon, Byung-Woo; Romano, Marina; Messé, Steven R.; Barlinn, Jessica; Lambeck, Johann; Saad, Feryal; Berkowitz, Scott D.; Mundl, Hardi; Connolly, Stuart J.; NAVIGATE ESUS MIND MRI Substudy Investigators (Lippincott Williams & Wilkins, 2021-09-20)
    Background and purpose: The spectrum of brain infarction in patients with embolic stroke of undetermined source (ESUS) has not been well characterized. Our objective was to define the frequency and pattern of brain infarcts ...
  • Frequency of new asymptomatic MRI lesions during attacks and follow-up of patients with NMOSD in a real-world setting 
    Carnero Contentti, Edgar; López, Pablo Adrián; Tkachuk, Verónica A.; Vrech, Carlos; Zarate, María Agustina; Correale, Jorge; Deri, Norma; Luetic, Geraldine G.; Marrodán, Mariano; Pagani Cassará, Fátima; Tavolini, Darío; Ysrraelit, María Célica; Balbuena Aguirre, María Eugenia; Hryb, Javier Pablo; Chiganer, Edson Hernán; Leguizamon, Felisa; Knorre, Eduardo; Zanga, Gisela; Pestchanker, Claudia; Barboza, Andrés G. (Sage, 2023-07-25)
    Background: We aimed to assess the frequency of new asymptomatic lesions on brain and spinal imaging (magnetic resonance imaging (MRI)) and their association with subsequent relapses in a large cohort of neuromyelitis ...
  • Friends with benefits: Sharing large-scale transcontinental brain MRI databases in LatAM-FINGERS and US POINTER 
    DaGraça Morais Martin, Maria; Landau, Susan M.; Damián, Andrés; Vemuri, Prashanthi; Bérgamo, Yanina; Kimie Suemoto, Claudia; Calandri, Ismael Luis; Caramelli, Paulo; Lopera, Francisco; Allegri, Ricardo Francisco; Lovato, Laura; Delgado, Carolina; Nitrini, Ricardo; Dozzi Brucki, Sonia María; Duque, Lissette; Charamelo Baieti, Ana; Custodio, Nilton; Crivelli, Lucía; US POINTER; LatAm FINGERS (Wiley, 2023-12-25)
    Background Multicentric initiatives to study brain cognition in the elderly offers us a unique collection of brain imaging data accompanied by detailed neuroclinical and neuropsychological evaluations. U.S. POINTER and ...
  • Functional correlates of cognitive performance and working memory in temporal lobe epilepsy: Insights from task-based and resting-state fMRI 
    Fajardo Valdez, Alfonso; Camacho Téllez, Vicente; Rodríguez Cruces, Raúl; García Gomar, María Luisa; Pasaye, Erick Humberto; Concha, Luis (Public Library of Science, 2024-03-13)
    Temporal lobe epilepsy (TLE) is a common form of medically intractable epilepsy. Although seizures originate in mesial temporal structures, there are widespread abnormalities of gray and white matter beyond the temporal ...