What is functional MRI (fMRI) and how can it reveal activity patterns related to brain foci?

MRI of the brain showing multiple foci of blooming in bilateral cerebellar hemispheres, bilateral frontal lobes, left parietal lobes, left temporal lobe and ... Foci of increased T2 signal intensity were found on brain MR scans in 16 (59%) of 27 healthy elderly volunteer subjects, ages 63 to 86 years old. These foci ... ... brain in physiological condition and in some diseases such as epilepsy. Acquisition of biopotentials by means of electrode matrices placed directly on the brain ... Add spherical foci, possibly mapping to displayed surf. The foci spheres can be displayed at the coordinates given, or mapped through a surface geometry. In ... Brain lesions are areas of brain tissue that show damage from injury or disease. The most common way to detect brain lesions is with diagnostic imaging scans. A Flexible, Implantable, Bioelectronic Electroporation Device for Targeted Ablation of Seizure Foci in the Mouse Brain. by. Rita Matta. Rita Matta. SciProfiles ... Microsusceptibility changes in the brain are well known to correspond with microbleeds or micrometal fragments in adults, but this phenomenon has not been. ... foci in drug-resistant epilepsy. Brain connectivity measures based on synchronization were first evaluated on electroencephalogram data in healthy subjects ... Apr 9, 2024 ... What is Brain MRI commonly used for? Doctors use this exam to help diagnose the cause of neurologic symptoms, such as headache, dizziness, ... Feb 16, 2025 ... ... foci in the brain. Radiology. 1995;195 (3): 721-4. doi:10.1148 ... Longitudinal Assessment of Enhancing Foci of Abnormal Signal Intensity in ...