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For example, a stroke affecting the right parietal lobe of the brain can lead to neglect for the left side of the visual field, causing a patient with neglect to behave as if the left side of sensory space is nonexistent (although they can still turn left). In an extreme case, a patient with neglect might fail to eat the food on the left half ...
Disconnection syndrome is a general term for a collection of neurological symptoms caused – via lesions to associational or commissural nerve fibres – by damage to the white matter axons of communication pathways in the cerebrum (not to be confused with the cerebellum), independent of any lesions to the cortex. [1]
Individuals who suffer from somatoparaphrenia, a specific form of asomatognosia, ignore or deny ownership of a body part contralateral to the brain lesion (Feinberg, 1990). Although this condition can affect one or both sides of the body, most patients exhibit the inability to recognize limbs/body parts (i.e., arm, leg, head, breast) on the ...
A silent stroke typically affects regions of the brain associated with various thought processes, mood regulation and cognitive functions and is a leading cause of vascular cognitive impairment and may also lead to a loss of urinary bladder control.
In 1949, the idea that WE lesions are a result of a disruption to the blood-brain barrier was introduced. [53] Large proteins passing into the brain can put neurological tissue at risk of toxic effects. The blood-brain barrier junctions are typically found to have WE lesions located at that region of the brain. [53]
It causes round skin lesions which can be more prone to skin cancer. These lesions can affect the scalp as well as the rest of the body. Lupus-related hair loss can be caused by:
In children, the most common cause is a stroke of the ventral pons. [9]Unlike persistent vegetative state, in which the upper portions of the brain are damaged and the lower portions are spared, locked-in syndrome is essentially the opposite, caused by damage to specific portions of the lower brain and brainstem, with no damage to the upper brain.
In the brain, it is believed that the right hemisphere better handles meter, while the left hemisphere better handles rhythm. Scientists have studied patients with brain lesions in their right temporal auditory cortex and realized that they were unable to "tap a beat or generate a steady pulse". [4]