Alasdair I. Houston a1andJohn M. McNamara a2 a1 School of Biological Sciences, Centre for Behavioural Biology, University of Bristol, Bristol BS8 1VG, United Kingdom
firstname.lastname@example.org a2 School of Mathematics, Centre for Behavioural Biology, University of Bristol, Bristol BS8 1VG, United Kingdom
Rolls discusses various adaptive explanations of physiological processes and the emotions. We give a critical analysis of some of these from the perspective of behavioural ecology. While agreeing with the approach adopted by Rolls, we identify topics that could have been better presented by making use of the existing literature.