247
Peter van Leeuwen et al. (2009).
248
Jaak Panksepp (2005), p. 31.
249
Ajay Mathuru et al. (2012).
250
Julian Pittman and Angelo Piato (2017).
251
Victoria Braithwaite (2010); Lynne Sneddon (2003); Sneddon, Braithwaite, and Michael Gentle (2003).
252
David Chamberlain (1991).
253
Menno Schilthuizen (2018).
ЗАКЛЮЧЕНИЕ
254
Sandra Gadanho and John Hallam (2001), p. 50.
255
Michael Arbib and Jean Marc Fellous (2004).