The effect of his statement provokes a visible response, in the form of a wave of emotion among the apostles. These reactions are quite specific to each apostle, expressing what Leonardo called the “motions of the mind.” Despite the dramatic reaction of the apostles, Leonardo imposes a sense of order on the scene. The head of Christ is at the center of the composition, framed by an architectural opening in the form of a halo. His head is also the vanishing point towards which all the lines of the perspective projection of the architectural environment converge. Around him the apostles are arranged in four groups of three united by posture and gesture. Judas, who was traditionally placed on the opposite side of the table, is here distinguished from the other apostles by his shadow