摘要:AbstractThe article considers thinking style as a form of self-regulation and self-organization of thinking activity. According to these ideas the author distinguishes four functions by means of which self-organization of collaborative thinking activity is carried out: function of ideas generation, selective function, function of sense transfer, function of realization. According to the types of functions dominating in functional securing of collaborative thinking activity self-organization by a group performing mental decision task, the author distinguishes four types of thinking styles: initiative style, critic style, managing style, practical style.