The eyes will dart around in their sockets in a pattern that has no direct connection to the happenings of the environment. They may suddenly drift upward, downward or toggle from left-to-right very rapidly while remaining wide and alert.
This signal demonstrates a psyche that is quite uncertain/doubtful or in the midst of reconsideration or reevaluation of its understanding. It reveals a psyche that is engaged in real-time mental visualization or linguistic restructuring of thoughts. The mind is creating new ideas and information by exploring novel ways of piecing together existing data, and synthesizing a new perspective out of it.