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Testing the link between visual suppression and intelligence

Fig 5

Results from the spatial experiment.

Contrast suppression index (CSI) as a function of IQ for general (A), verbal (B), and non-verbal (C) intelligence. Red lines, fitted regression line for general intelligence: CSI = 0.95–0.002 × IQg; verbal intelligence: CSI = 0.70–0.0002 × IQv; and non-verbal intelligence: CSI = 1.31–0.005 × IQn-v. Pearson correlation (r) and p values are inserted in each panel. Dashed lines: 95% regression confidence interval.

Fig 5

doi: https://doi.org/10.1371/journal.pone.0200151.g005