The brain is an "electric organ". Using pulsed magnetic fields to activate the neural circuits of the brain can relieve stress, improve cognition, and even overcome fatigue. Which of the following best summarizes the meaning of the above? ['The brain is an "electric organ".', 'Effect of pulsed magnetic field on the neural circuits of the brain.', "People's Ways to Relieve Stress, Improve Cognition, and Overcome Fatigue.", 'Brain neural circuits and treatments.']