But diagnosing a brain disorder without actually looking at the brain is analogous to treating a patient with a heart problem based on their physical symptoms, without even doing an ECG or a chest X-ray to look at the heart.
Pero diagnosticar un trastorno cerebral sen realmente ver o cerebro é o mesmo que tratar un paciente cun problema de corazón baseándose nos seus síntomas físicos, sen tan sequera facerlle un ECG ou unha radiografía de tórax para ve-lo corazón.