Understanding Treatment-Resistant Depression

What percentage of people experience depression at some point in their lives?

• One-tenth

• One-fifth

• One-half

• One-third

What is a notable characteristic of ketamine's effect on depression?

• It is only effective in high doses.

• It can improve symptoms in as little as 4 hours.

• Its effects last only a few hours.

• It takes weeks to show effects.

Why is ketamine not yet widely prescribed for depression?

• It is too expensive.

• Its long-term safety and effectiveness are unknown.

• It has no side effects.

• It is ineffective for most people.

What percentage of people with depression experienced symptom relief from sleep deprivation?

• 60%

• 45%

• 30%

• 75%

What is a major downside of using sleep deprivation as a treatment for depression?

• It is only effective in the morning.

• The effects are not long-lasting.

• It requires special equipment.

• It is very expensive.

What is the vagus nerve responsible for?

• Controlling muscle movements.

• Regulating blood sugar levels.

• Balancing hormones.

• Transmitting information between the brainstem and organs.

What was the observed effect of VNS on patients with treatment-resistant depression?

• It had no effect.

• It worsened symptoms.

• It decreased symptoms by 50% or more in 68% of patients.

• It was only effective in combination with other treatments.

What is a potential risk of the surgery required for VNS implantation?

• Chronic pain

• Increased anxiety

• Loss of speech ability

• Loss of vision

What is the current status of external VNS devices in the United States?

• They are banned.

• They are available over-the-counter.

• They are approved for depression treatment.

• They are only approved for treating migraines.

What is the ultimate goal of understanding how treatments like ketamine and VNS work?

• To replace all current medications

• To develop safer, more effective treatments

• To eliminate the need for therapy

• To make them more expensive