__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.
Muscle atrophy. Muscle atrophy is the wasting or loss of muscle tissue. Causes. There are two types of muscle atrophy: disuse and neurogenic. Disuse atrophy is caused by not using the muscles enough. This type of atrophy can often be reversed with exercise and better nutrition.