“…The scope of this paper has been limited to spatiotemporal aspects of vision for which relevant data have been obtained in the marmoset, and therefore it does not cover important issues such as colour perception (Martin et al, 2001), stereopsis (Witz and Hess, 2013), attention (Roberts et al, 2007), object recognition (Strasburger et al, 1994), and shape analysis (Whitaker et al, 1993). The following are some directions that we think might be fruitful for future research.…”