Warning Signs Of Progressive Multifocal Leukoencephalopathy

Issues With Speech

Issues with speech occur in individuals with PML because the disease has attacked one of the parts of the brain that work together to allow an individual to speak properly. If the disease attacks the Broca's area of the brain the individual's speech may not make sense or the individual may be unable to articulate what they want to say normally. In this case, the person may not be able to speak in full words or sentences normally. PML may attack the area of the brain called Wernicke's area, which would result in an individual being unable to understand or process what the speech of someone else means. The disease may also attack the angular gyrus, which is responsible for matching sounds with different sensations, images, and ideas. This would result in an individual being unable to associate the correct word with its image, meaning, or sensation and being unable to find the right words to describe something. In addition, facial drooping can occur with PML when it attacks the part of the brain responsible for moving facial muscles. This can also cause challenges with speaking words and making certain letter sounds.

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