Catani P, Salzarulo P, Findji F
Electroencephalogr Clin Neurophysiol. 1978 Jun;44(6):782-4. doi: 10.1016/0013-4694(78)90213-4.
In visually defective children occipital spikes were analysed in periods with and without eye movements during paradoxical sleep. A decrease was shown in correspondence with eye movements, mainly when the spike rate was low.