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