| Author |
Title |
Year |
Publication |
Serial  |
Volume |
Pages |
| Fortes, A.F.; Merchant, H.; Georgopoulos, A.P. |
Comparative and categorical spatial judgments in the monkey: “high” and “low” |
2004 |
Animal Cognition |
2531 |
7 |
101-108 |
| McGonigle, B.; Chalmers, M.; Dickinson, A. |
Concurrent disjoint and reciprocal classification by Cebus apella in seriation tasks: evidence for hierarchical organization |
2003 |
Animal Cognition |
2568 |
6 |
185-197 |
| Santos, L.R.; Miller, C.T.; Hauser, M.D. |
Representing tools: how two non-human primate species distinguish between the functionally relevant and irrelevant features of a tool |
2003 |
Animal Cognition |
2570 |
6 |
269-281 |
| Aust, U.; Huber, L. |
Picture-object recognition in pigeons: evidence of representational insight in a visual categorization task using a complementary information procedure |
2006 |
Journal of Experimental Psychology. Animal Behavior Processes |
2759 |
32 |
190-195 |
| Kelly, D.M.; Spetch, M.L. |
Pigeons encode relative geometry |
2001 |
Journal of Experimental Psychology. Animal Behavior Processes |
2770 |
27 |
417-422 |
| Wasserman, E.A.; Gagliardi, J.L.; Cook, B.R.; Kirkpatrick-Steger, K.; Astley, S.L.; Biederman, I. |
The pigeon's recognition of drawings of depth-rotated stimuli |
1996 |
Journal of Experimental Psychology. Animal Behavior Processes |
2780 |
22 |
205-221 |
| Pepperberg, I.M.; Brezinsky, M.V. |
Acquisition of a relative class concept by an African gray parrot (Psittacus erithacus): discriminations based on relative size |
1991 |
Journal of Comparative Psychology |
3610 |
105 |
286-294 |
