TED-Ed: Could your brain repair itself? - Ralitsa Petrova

The video explores the potential for the human brain to self-repair by generating new neurons, a process known as neurogenesis. Initially thought to cease after early development, recent discoveries show that adult brains can produce new cells in specific regions. This opens possibilities for treating neurological diseases and injuries. Current research focuses on enhancing neurogenesis and transplanting neural stem cells to damaged areas. While challenges remain, the field of regenerative medicine aims to harness these mechanisms for brain repair.

What was the traditional belief about neuron production in adult brains?

• Neuron production stops soon after initial brain development.

• Neuron production increases with age.

• Adult brains produce neurons only during sleep.

• Adult brains continuously produce new neurons.

Which of the following regions is NOT associated with neurogenesis in the adult brain?

• Dentate gyrus

• Subventricular zone

• Cerebellum

• Striatum

What is the role of proteins and small molecules in brain repair?

• They destroy damaged neurons.

• They cause brain cells to shrink.

• They stimulate neural stem cells to produce more neurons.

• They prevent neuron migration.

What is one experimental approach to repairing brain injuries?

• Transplanting healthy neural stem cells

• Applying heat to the injured area

• Using electrical stimulation to grow neurons

• Removing damaged brain tissue

What is a potential future goal of regenerative medicine concerning the brain?

• To stop all neuron production

• To enable the brain to self-repair

• To eliminate all brain cells

• To make the brain immune to all diseases