Some notes and speculations about various topics. ||| Gegenwärtig - vorübergehend -
wohl eher eine Gedankensammlung als ein Naturwissenschaftsblog. Das Konzept eines "Naturwissenschaftsblogs" wird erst im kommenden Jahr (2018/2019) Umsetzung finden.
This paper begins with a list of commonly recognized forms of play and a discussion of definitions
of play. This is followed by an overview of the ontogeny, phylogeny, mechanisms, and possible
functions of human play. Next the question of whether or not play should be regarded as a
separate emotion from interest is addressed. Play resembles the emotion of interest (or curiosity) in
its affects and cognitive elicitors. Play differs from interest in exhibiting somewhat distinctive
behavioral, visceral, and expressive emotional properties. This evidence, together with phylogenetic
information, suggests that interest, exploration, and play constitute the same basic emotion, with
exploration being an evolutionary offshoot of interest and play an offshoot of exploration.