11. The computer system of claim 10 , wherein the instructions further comprise: identifying a transition from a cognitive state to another for a subgroup of participants in order to detect a divergence of the cognitive state of the subgroup during the meeting; automatically generating an advice based on the detected divergence; and providing the advice to a participant outside the subgroup in order to influence a course of the meeting.
12. The computer system of claim 11 , wherein the instructions further comprise: determining a confidence level of the cognitive state of the subgroup; and wherein the advice is provided in response to the confidence level being above a predetermined threshold.