Human brain is made up of two hemispheres the right and the left hemisphere. Although the two hemispheres are symmetrical, functionally they are quite different from each other. Further each hemisphere is divided into four sections or lobes.
The frontal lobes make up 41 percent of the total brain, and the temporal lobes accounts for about 22 percent. The parietal and occipital lobes occupy 18 percent and 19 percent respectively of the total surface area of brain.
The parietal lobe can be divided into two functional regions. One involves sensation and perception and is known as left Parietal lobes and the other is concerned with integrating sensory input, primarily with visual symptoms and is known as Right parietal lobe.
Concussions, also known as mild traumatic brain injury (MTBI) results from a jarring blow or jolt to the head that disrupts the normal functioning of the brain. The right parietal lobe is extremely sensitive to injury. Any damage to this area can cause audio-visual deficits (e.g. patient may have difficult in finding their way to home, or even familiar places).
Besides this right parietal lobe also helps you understand what you smell or touch and let you take action (when you touch something hot you immediately withdraw your hand). Damage to right parietal lobe can result in neglecting certain body part and/or surrounding space (Apraxia) which can impair many self-care skills such as combing their hairs or dressings and washing. Right side damage can also cause difficulty in making things (constructional apraxia), difficulty in reading and solving arithmetic problems, difficulty with drawing objects, difficulty in distinguishing left from right and difficulties with eye and hand co-ordination.
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