Fig. 7 | Scientific Reports

Fig. 7

From: Psychometric evaluation of high-resolution electrotactile interface for conveying 3D spatial information

Fig. 7

The results of FD test. Confusion matrices represent Success Rate (SR) for each frequency level in (a) Single pad session and (b) Multi pad sessions of FD test (FD-SP and FD-MP, respectively). (c) The overall average SRs (mean and standard deviation) in recognizing four frequency levels across 12 subjects. *: Statistically significant effects are denoted by *p < 0.05, **p < 0.01, and ***p < 0.001.

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