__Tucked in the back of Brocaâs area is the Pars triangularis, which is implicated in the semantics of language. When you stop to think about something someoneâs saidâa line in a poem, a jargon-heavy sentenceâthis is the part of your brain doing the heavy work.
Know the causes. Brain atrophy is shrinking of the brain caused by the loss of its cells, called neurons. Two types of brain atrophy can occur; generalized and focal. Generalized atrophy refers to neuron loss throughout the entire brain, and focal atrophy refers to neuron loss in a specific brain region.
Multiple system atrophy, also known as ShyâDrager syndrome, is a rare neurodegenerative disorder characterized by tremors, slow movement, muscle rigidity, and postural instability due to dysfunction of the autonomic nervous system, and ataxia. This is caused by progressive degeneration of neurons in several parts of the brain including the substantia nigra, striatum, inferior olivary nucleus, and cerebellum. Many people affected by multiple system atrophy experience dysfunction of the ...