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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]
Many cases of focal brain lesions had comorbidity with hearing impairment (see hypoacusis), epileptic activity and intoxication. [3] There have also been several findings of acute musical hallucinations in patients with dorsal pons lesions post-stroke and encephalitis potentially due to disruption of connections between the sensory cortex and ...
The sensation can feel like it goes up or down the spine. It is painful for some, although others might simply feel strange sensations. [1] In many people, it is elicited by bending the head forward. [2] It can also be evoked when a practitioner pounds on the cervical spine while the neck is flexed; this is caused by involvement of the ...
The central nervous system is composed of the spinal cord and the brain. Many neurological studies are conducted on patients with lesions. Scientists can learn about the functions of different brain areas by looking at damage to those areas. Thus, studies have been conducted on lesion patients for pallesthesia.
8 Autoimmune Diseases That Cause Hair Loss. This article was reviewed by Knox Beasley, MD.. You might associate autoimmune conditions with symptoms like skin disease, chronic pain, and fatigue.
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]
CES can occur by itself or alongside conus medullaris syndrome. [39] It can cause low back pain, weakness or paralysis in the lower limbs, loss of sensation, bowel and bladder dysfunction, and loss of reflexes. [39] There may be bilateral sciatica with central disc prolapse and altered gait. [38]
Normally MS lesions are small ovoid lesions, less than 2 cm. long, oriented perpendicular to the long axis of the brain's ventricles [18] Often they are disposed surrounding a vein [19] Demyelinization by MS. The Klüver-Barrera colored tissue show a clear decoloration in the area of the lesion (Original scale 1:100)