Abstract

The temperamental predictors of visual illusions have not yet been studied, although some researchers note that individual differences may predestine susceptibility to illusions. The purpose of our study was to analyse the cognitive and temperamental predictors of susceptibility to the Müller-Lyer illusion. The cognitive predictors included field dependence–independence, the alerting, orienting, and executive control attention networks, and the mechanism of inhibiting and updating in WM. The temperamental indicators were analysed in the context of Strelau's Regulative Theory of Temperament. 170 people aged 20–33 participated in the study. The results confirmed that susceptibility to the M-L illusion is associated with field dependence. Rhythmicity as a temperament trait moderated the relationship between susceptibility to the Müller-Lyer illusion and the efficacy of alerting. At a low level of Rhythmicity, a relationship between lower efficacy of the alerting network and higher susceptibility to the illusion was observed.

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