Varsha of the skull and this may result

Varsha might report visual
disturbances due to a concussion or otherwise known as mild traumatic brain
injury (TBI). A concussion is a brain injury which may affect the function of
the brain. It could either be minor or major and are usually caused by a
forceful “blow to the head” from striking an object. As Varsha was not wearing
a helmet, when a hockey stick suddenly struck her head, it may have caused the
head to snap forward, back or to the side. The brain is surrounded by
cerebrospinal fluid so when the head snaps, to either three directions, the
sudden momentum causes movement of the brain within the skull which usually
leads to an alteration of brain function. This causes concussion signs and
symptoms. Usually the cerebrospinal fluid cushions the brain and protects it
from contacting the walls of the skull during every day activity. By this the axons
of the neurones in the brain are protected. When a person suffers a hard blow
to the head, the brain becomes in contact with the insides of the skull and
this may result in damaged axons. This may reduce normal brain function by
interrupting communication between neurones. 
Symptoms of concussion can be physical, cognitive or emotional. Physical
symptoms include dizziness, cognitive symptoms include memory loss and
emotional symptoms include signs of depression. Symptoms of visual disturbances
such as: blurred vision, headaches, double vision and visual field loss also
tie in with physical and cognitive symptoms and could be a result of the
occipital lobe being affected. The two main areas of the brain that are
affected the most in Varsha as a result of a concussion are the frontal and
temporal lobes as she was hit on her forehead. This is because these two parts
of the brain are naturally positioned closest to the skull. In addition, the
neck is positioned posteriorly so when the head rotates the front of the head
moves further than the rest of the head. As a result of the frontal and
temporal lobes moving at greater distances, more damage is done to these
particular areas of the brain. The frontal lobe, which is positioned in the
front of the brain, controls one’s personality features. It influences
cognitive functions such as organising and planning. The temporal lobe, which
is positioned in the lower central part of the cortex underneath the temples,
is involved in memory and language. If the temporal lobe is damaged memory
functions can be impacted and may even have a permanent effect is the injury is
severe enough. Memory functions include verbal memory in the left hemisphere
and visual memory in the right hemisphere. Hence other symptoms Varsha might
exhibit include inability to focus and concentrate due to the frontal lobe
being affected; constant headaches also due to the frontal lobe being affected
and memory loss due to the temporal lobe being affected. It could be a
possibility that Varsha suffered a coup-contrecoup injury. A coup-contrecoup
injury is damage to the brain on opposite sides. The site that she received
initial impact was the forehead so the frontal and temporal lobes were impacted.

The opposite side (rear portion of the skull) may have also been impacted and
the occipital lobe is located at the back of the skull. As Varsha suffered
visual disturbances, it suggests that the occipital lobe was also affected as a
result of the injury.

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