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Pure sensory stroke: contralateral thalamus , internal capsule, corona radiata, midbrain Marked by numbness (loss of sensation) on one side of the body; can later develop tingling, pain, burning, or another unpleasant sensation on one side of the body. Mixed sensorimotor stroke: thalamus and adjacent posterior internal capsule, lateral pons
In fact, almost all thalamic neurons (with the notable exception of the thalamic reticular nucleus [6]) project to the cerebral cortex, and every region of the cortex so far studied has been found to innervate the thalamus. [7] Each of the thalami may be subdivided into at least 30 nuclei, giving a total of at least 60 for the whole thalamus ...
Watershed stroke symptoms are due to the reduced blood flow to all parts of the body, specifically the brain, thus leading to brain damage. Initial symptoms, as promoted by the American Stroke Association, are FAST, representing F = Facial weakness (droop), A = Arm weakness (drift), S = Speech difficulty (slur), and T = Time to act (priority of intervention).
Dejerine–Roussy syndrome or thalamic pain syndrome is a condition developed after a thalamic stroke, a stroke causing damage to the thalamus. [1] Ischemic strokes and hemorrhagic strokes can cause lesioning in the thalamus.
Brain ischemia has been linked to a variety of diseases or abnormalities. Individuals with sickle cell anemia, compressed blood vessels, ventricular tachycardia, plaque buildup in the arteries, blood clots, extremely low blood pressure as a result of heart attack, and congenital heart defects have a higher predisposition to brain ischemia in comparison to the average population.
The subthalamic nucleus (STN) is a small lens-shaped nucleus in the brain where it is, from a functional point of view, part of the basal ganglia system. In terms of anatomy, it is the major part of the subthalamus. As suggested by its name, the subthalamic nucleus is located ventral to the thalamus.
Cerebral infarction, also known as an ischemic stroke, is the pathologic process that results in an area of necrotic tissue in the brain (cerebral infarct). [1] In mid to high income countries, a stroke is the main reason for disability among people and the 2nd cause of death. [2]
Vascular thalamic amnesia occurs when the thalamus is affected by Korsakoff's syndrome or damaged by lacunar infarcts or hemorrhages. [1] Another common cause for damage to the thalamus that may contribute to the development of amnesia is a stroke. [ 2 ]