The video discusses a global trial involving the USA, Spain, and the UK, aiming to enroll children with a specific gene variant for a hearing restoration study. Current treatments like cochlear implants are effective but limited. Gene therapy offers a potential cure by replacing the missing gene responsible for neurotransmitter release. Initial results from a child show promising hearing restoration. The speaker reflects on the significance of these advancements in gene therapy.

Which countries are involved in the global trial for hearing restoration?

• UK, France, and Japan

• USA, France, and Germany

• USA, Spain, and UK

• Canada, Spain, and Italy

What is the primary goal of the gene therapy discussed in the video?

• To improve hearing in adults only

• To increase the number of cochlear implant channels

• To restore normal hearing by replacing a missing gene

• To enhance music appreciation

What specific issue does the gene therapy aim to address in the hearing mechanism?

• Lack of hair cells

• Limited electrode channels

• Excessive background noise

• Inability to release neurotransmitters

How did the first child respond to the gene therapy over time?

• Gradual improvement with significant results at 24 weeks

• Deterioration of hearing ability

• Immediate full hearing restoration

• No improvement was observed

What emotional impact did the successful human trials have on the narrator?

• Frustration over incomplete results

• Indifference as it was expected

• Disappointment due to slow progress

• Awe and a sense of fulfillment