GCSE Biology (AQA)

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Treating Brain Damage & Disease

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Homeostasis and Response The Human Nervous System

Treating Brain Damage & Disease

2:44 The Brain
Spec 4.5.2.2
Previous Studying the Brain Next Eye Structure
  • The brain and nervous system can be damaged by physical trauma, brain tumors, and infections.
  • Physical trauma refers to sudden physical injuries.
  • Damage can lead to problems such as affected memory, reasoning, sensing, balance, seizures, and paralysis.
  • Treating brain issues is challenging due to the brain's location inside the skull, its delicate and soft tissue, and its complex and interconnected nature.
  • Brain surgery carries higher risks compared to other surgeries and requires complex solutions.
  • The expression "it's not brain surgery" highlights the difficulty and risks associated with brain surgery.
  • Treatments for brain and nervous system issues must be carefully evaluated.
  • An example of a condition needing surgical evaluation is a brain tumor at the base of the brain or in the spinal cord.
  • Risks of surgery include paralysis, permanent loss of consciousness, and potential death, which must be weighed against the risks of not removing a tumor.
  • Surgeons may leave parts of tumors to avoid damaging vital areas like the spinal cord.
  • Damage to the nervous system is often more permanent than damage to other organ systems because it does not heal itself like other body parts.
  • Nerve cells, or neurons, do not divide to replace damaged neurons, making nervous system damage particularly serious.

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