However , pursuit without a visible target is possible under some particular conditions , that show the importance of high - level functions in smooth pursuit maintenance .
Performing smooth pursuit without a moving visual stimulus is difficult , and typically results in a series of saccades .
Pursuit without a visible target is possible under some particular conditions , that show the importance of high - level functions in smooth pursuit maintenance .
Performing smooth pursuit without a moving visual stimulus is difficult , and typically results in a series of saccades .