Animal Cognition: A Tribute to Donald A. Riley Book

	Preface
	Photograph of Animal Cognition Conference Participants
1	Animal Cognition: An Approach to the Study of Animal Behavior	3
2	The Stimulus Revisited: My, How You've Grown!	19
3	When Is a Stimulus a Pattern?	35
4	Discriminative Stimulus Control: What You See Is Not Necessarily What You Get	43
5	Generalization Gradients of Excitation and Inhibition: Long-Term Memory for Dimensional Control and Curious Inversions During Repeated Tests With Reinforcement	63
6	Retrieval Processes and Conditioning	87
7	When Memory Fails to Fail	111
8	Foraging in Laboratory Trees: Spatial Memory in Squirrel Monkeys	131
9	Sequential and Simultaneous Choice Processes in the Radial-Arm Maze	153
10	Representations and Processes in Working Memory	175
11	Coding Processes in Pigeons	193
12	Common Coding and Stimulus Class Formation in Pigeons	217
13	Attention: Neurocognitive Analyses	239
14	Gestalt Contributions to Visual Texture Discriminations by Pigeons	251
15	Multidimensional Stimulus Control in Pigeons: Selective Attention and Other Issues	271
16	From Elementary Associations to Animal Cognition: Connectionist Models of Discrimination Learning	293
17	A Comparative, Hierarchical Theory for Object Recognition and Action	313
18	Absolutes and Relations in Acoustic Perception by Songbirds	335
	Author Index	355
	Subject Index	365