Understand the Brain

Each part of the brain controls different functions of the human body. Therefore injuries in different locations of the brain affect different parts of a human.  In strokes or brain injuries,  the injured side affects the mirrored side. For example, if a person damages the right part of the brain, the left side of the body can have the impairment. 

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The Brain
Understanding How our Brain Works and Why: Dr. David Eagleman