case_images: PMC4080762_01
case_images: AB's number form as produced at the start of the investigation (left) and 22 months later (right).
case_images: fnhum-08-00433-g0001.jpg
case_images: PMC4080762_01_fnhum-08-00433-g0001.jpg
case_images: F1
case_images: These two schematics are sufficiently similar to confirm the genuineness of AB's synesthesia (see Figure 1).
case_images: Schematic of data collection and analysis process.
case_images: fnhum-08-00433-g0003.jpg
case_images: PMC4080762_01_fnhum-08-00433-g0003.jpg
case_images: F3
case_images: Interview data were transcribed and then processed through successive rounds of coding, aggregation and abstraction, as illustrated in Figure 3.