Robustness of the non-Markovian Alzheimer walk under stochastic perturbation J. C. Cressoni, L. R. da Silva, G. M. Viswanathan and M. A. A. da Silva EPL, 100 6 (2012) 60003 Published online: 04 January 2013 DOI: 10.1209/0295-5075/100/60003