Andrew has a new paper out in the open access journal PLoS ONE looking at perception-action learning in healthy older adults. This paper follows on from two previous papers (Coats et al, 2012, 2014) where we identified that learning rates in a coordinated rhythmic movement task plummeted in the 50s (see this summary of the 2012 paper as well). This new paper was a collaboration with colleagues in China that tested whether the decline was due to the known changes in visual motion perception or the onset of a learning deficit with healthy ageing. The evidence in this paper supports the latter.
Ren J, Huang S, Zhang J, Zhu Q, Wilson AD, et al. (2015) The 50s Cliff: A Decline in Perceptuo-Motor Learning, Not a Deficit in Visual Motion Perception. PLoS ONE 10(4): e0121708. doi:10.1371/journal.pone.0121708