Affiliation:
1. The Neurosciences Institute, 10640 John Jay Hopkins DriveSan Diego, CA 92121, USA
2. Department of Informatics, University of SussexBrighton BN1 9QJ, UK
Abstract
The problem of action selection has two components: what is selected and how is it selected? To understand
what
is selected, it is necessary to distinguish between behavioural and mechanistic levels of description. Animals do not choose between behaviours
per se
; rather, behaviour reflects interactions among brains, bodies and environments. To understand what
guides
selection, it is useful to take a normative perspective that evaluates behaviour in terms of a fitness metric. This perspective, rooted in behavioural ecology, can be especially useful for understanding apparently irrational choice behaviour. This paper describes a series of models that use artificial life (AL) techniques to address the above issues. We show that successful action selection can arise from the joint activity of parallel, loosely coupled sensorimotor processes. We define a class of AL models that help to bridge the ecological approaches of normative modelling and agent- or individual-based modelling (IBM). Finally, we show how an instance of apparently suboptimal decision making, the matching law, can be accounted for by adaptation to competitive foraging environments.
Subject
General Agricultural and Biological Sciences,General Biochemistry, Genetics and Molecular Biology
Cited by
46 articles.
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