Аннотация:Cognitive control is a set of complex processes supported goal behaviour. A brain basis of cognitive control is studied by special tasks and experimental evidence is integrated in theoretical models. One of the main limitations is that these models are based on data obtained just in individuals with right characteristics of lateral asymmetry. In this study we investigated the functional system of brain structures involved in cognitive control in participants with left eye dominance. 14 left-eyed participants (7 female, mean age = 21.57 ± 1.28) performed Stroop 1, Stroop 2, Stop-signal tasks during fMRI session. Two Stroop tasks included the Russian words “red” and “green” written in red or green font. The subjects asked to press right or left button as a response to presenting of words written in red or green font, respectively (Stroop 1) and to inhibit response to the word “red” and respond only to the word “green” (Stroop 2). In Stop-signal task (with vowel and consonant letters) participants had to press different keys depending on the place of appearance of the green letters and ignore the red letters. The activated areas were revealed (p<0.001) in the contrasts: Stroop 2>Stroop 1 contrast – right precuneus; Stop-signal > Stroop 1 contrast – left occipital pole and left superior occipital gyrus; Stop-signal > Stroop 2 contrast – left occipital pole; Stroop 2>Stopsignal contrast – left precuneus and left cuneus. The results demonstrated the involvement of precuneus in verbal processing and awareness of Stroop stimuli in left-eyed individuals.