Results: 33

Craneotomía despierta para tumores cerebrales

Rev. chil. anest; 51 (5), 2022
Resection of tumoral lesions anatomically related to motor, sensitive and language areas of the brain, have the main goal of sparing those areas. For that purpose, Neurosurgery on awake patients helps in reducing the size of growing brain tumors in a safe manner, which leads to extending and improving qu...

Assessment of changes in the electrical activity of the brain during general anesthesia using portable electroencephalography

Rev. colomb. anestesiol; 49 (2), 2021
Abstract Introduction The analysis of the electrical activity of the brain using scalp electrodes with electroencephalography (EEG) could reveal the depth of anesthesia of a patient during surgery. However, conventional EEG equipment, due to its price and size, are not a practical option for the operati...

Evaluación de la actividad cerebro-cerebelar cruzada para determinar la lateralidad del lenguaje en pacientes con tumores cerebrales

Rev. méd. Chile; 149 (5), 2021
Background: The crossed cerebro-cerebellar (CCC) activation facilitates the diagnosis of cortical language lateralization, but needs to be explored with language tasks suitable for patients with different age ranges, educational attainment and eventual presence of language deficits. Aim: To determine the...

Cortical Brain Functions – The Brodmann Legacy in the 21st Century

Arq. bras. neurocir; 39 (4), 2020
In 1909, Korbinian Brodmann described 52 functional brain areas, 43 of them found in the human brain. More than a century later, his devoted functional map was incremented by Glasser et al in 2016, using functional nuclear magnetic resonance imaging techniques to propose the existence of 180 functional a...

Parte I: Anatomía microquirúrgica tridimensional de la ínsula

Rev. argent. neurocir; 34 (2), 2020
Introducción: El lóbulo de la ínsula, o ínsula, se encuentra oculto en la superficie lateral del cerebro. La ínsula está localizada profundamente en el surco lateral o cisura silviana, recubierta por los opérculos frontal, parietal y temporal. Objetivo: Estudiar la compleja anatomía del lóbulo d...

Neuroimaging of intrinsic connectivity networks: a robust method for assessing functional brain organization in psychiatric disorders

Surgical treatment of drug-resistant epilepsy caused by gliomas in eloquent areas: experience report

Arq. neuropsiquiatr; 77 (11), 2019
ABSTRACT Drug-resistant epilepsy associated with central nervous system tumors is generally caused by low grade gliomas. This group of tumors is usually found in brain eloquent areas, such as the insular lobe, rolandic cortex and supplementary motor area and, historically, possess a greater risk of posto...

Multimodal quantitative magnetic resonance imaging analysis with individualized postprocessing in patients with drug-resistant focal epilepsy and conventional visual inspection negative for epileptogenic lesions

Clinics; 74 (), 2019
OBJECTIVES: Approximately one-third of candidates for epilepsy surgery have no visible abnormalities on conventional magnetic resonance imaging. This is extremely discouraging, as these patients have a less favorable prognosis. We aimed to evaluate the utility of quantitative magnetic resonance imaging i...

A study on changes of the resting-state brain function network in patients with amnestic mild cognitive impairment

Braz. j. med. biol. res; 52 (5), 2019
This study aimed to explore the structural and functional characteristics of the neural network of resting-state brain activities in patients with amnestic mild cognitive impairment (aMCI) by functional magnetic resonance imaging (fMRI) technology. Resting state fMRI scanning was performed on 10 clinical...

Support vector machine-based classification of neuroimages in Alzheimer's disease: direct comparison of FDG-PET, rCBF-SPECT and MRI data acquired from the same individuals

Objective: To conduct the first support vector machine (SVM)-based study comparing the diagnostic accuracy of T1-weighted magnetic resonance imaging (T1-MRI), F-fluorodeoxyglucose-positron emission tomography (FDG-PET) and regional cerebral blood flow single-photon emission computed tomography (rCBF-SPEC...