- Intra-prefrontal 8-OH-DPAT and M100907 improve visuospatial attention and decrease impulsivity on the five-choice serial reaction time task in rats. Winstanley, C.A., Chudasama, Y., Dalley, J.W., Theobald, D.E., Glennon, J.C., Robbins, T.W. Psychopharmacology (Berl.) (2003)