title: Tickling.
abstract: A quick guide to tickling, a form of laughter-evoking play that can be considered as an index of agency, with a discussion of its taxonomic distribution and its possible relationship to traditional measures of self-recognition.
authors: School of Psychology, University of Sussex, Falmer, East Sussex BN1 9QH, UK. Electronic address: davidl@sussex.ac.uk.
authors: David A
authors: DA
authors: Leavens
authors: University of Portsmouth, Centre for Comparative and Evolutionary Psychology, King Henry Building, Portsmouth PO1 2DY, UK. Electronic address: kim.bard@port.ac.uk.
authors: Kim A
authors: KA
authors: Bard
mesh_terms: D000819:Animal Communication; D000818:Animals; D007845:Laughter; D008322:Mammals / Q000502:physiology*; D014110:Touch; D055698:Touch Perception