Beware of the Small-World neuroscientist!
  The SW has undeniably been one of the most popular network descriptors in the neuroscience literature. Two main reasons for its lasting popularity are its apparent ease of computation and the intuitions it is thought to provide on how networked systems operate. Over the last few years, some pitfalls of the SW construct and, more generally, of network summary measures, have widely been acknowledged. 
David Papo, Massimiliano Zanin, Johann H. Mart\'inez, and Javier M.   Buld\'u
q-bio.NC physics.soc-ph