Rat tickling: A systematic review of applications, outcomes, and moderators.
Megan R LaFolletteMarguerite E O'HaireSylvie CloutierWhitney B BlankenbergerBrianna N GaskillPublished in: PloS one (2017)
We conclude that tickling is a promising method for improving rat welfare and investigating positive affect. However, the establishment of tickling best practices is essential as the outcomes from tickling can be moderated by several factors.