Following BDA placement in auditory cortex, callosal axons to both auditory (homotopic callosal axons) and visual (heterotopic callosal axons) cortex were observed.

• BDA应用于听觉皮质后 ,标记的胼胝体轴突见于对侧听觉和视觉皮质 (即同源性和异源性胼胝体轴突 )。