Top–down contingent attentional capture during feed-forward visual processing.
U. Ansorge, G. Horstmann, I. Scharlau, Acta Psychologica 135 (2010) 123–126.

Perceptual latency priming and illusory line motion: Facilitation by gradients of attention?
I. Scharlau, G. Horstmann, Advances in Cognitive Psychology 2 (2006) 87–97.