This journal provides immediate access to some articles. Volume 362(1479); March 29, 2007 Introduction Research Articles Spatial constancy and the brain: insights from neural networks PMCID: PMC2323556 A neural-network reinforcement-learning model of domestic chicks that learn to localize the centre of closed arenas PMCID: PMC2323557 Artificial neural networks in models of specialization, guild evolution and sympatric speciation PMCID: PMC2323561 How training and testing histories affect generalization: a test of simple neural networks PMCID: PMC2323563 The need for stochastic replication of ecological neural networks PMCID: PMC2323564 | ||