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Hace 4 días · The potential long term sequelae of repetitive traumatic brain injury is a current area of research. Chronic traumatic encephalopathy describes neurodegeneration associated with repetitive head injuries, and characterized microscopically by accumulation of hyperphosphorylated tau in neurons.
Hace 5 días · The frontal lobe, occipital lobe, parietal lobe, and temporal lobe have different locations and functions that support the responses and actions of the human body. Let's start by identifying where each lobe is positioned in the brain.
Hace 2 días · Significant hemorrhagic transformation of a cerebral infarct usually manifests in a rapid and often profound deterioration in clinical state. In untreated patients, hemorrhagic transformation rarely occurs in the first 6 hours. It is usually seen in the first few days, the majority within 4 days of infarction.
Hace 4 días · The frontal bone is a bowl-shaped bone in the frontal (forehead) region of the skull. It is located superior to the nasal bones and maxillae and anterior to the parietal bones. At its inferior border, the frontal bone forms the roof of the orbits and the brow.
Hace 4 días · Cortical laminar necrosis , also known as pseudolaminar necrosis, is necrosis of cortical neurons in situations when the supply of oxygen and glucose is inadequate to meet regional demands. This is often encountered in cardiac arrest, global hypoxia and hypoglycemia.
Hace 2 días · Humans and other mammals have two hippocampi, one in each side of the brain. The hippocampus is part of the limbic system, and plays important roles in the consolidation of information from short-term memory to long-term memory, and in spatial memory that enables navigation.
Hace 4 días · The hippocampus receives input from and sends output to the rest of the brain via a structure known as the entorhinal cortex, which is located beneath the anterior (frontal) region of the hippocampus. The hippocampal formation itself is composed of several subregions, which include the cornu ammonis (CA1–4), the dentate gyrus, and the subiculum.
