OXT and fecal incontinence: In addition to pica, the useful ethological surrogates indexing rodent MS include also CTA (Ossenkopp and Tu, 1984; Fox, 1990; Andrews and Horn, 2006; Xiaocheng et al., 2012), piloerection, grooming, urination and fecal incontinence (Yu et al., 2007; Wei et al., 2011), and neurohypophyseal hormones such as vasopressin and oxytocin (Li et al., 2005).