scholarly journals Elevated dynorphin in the hippocampal formation of aged rats: relation to cognitive impairment on a spatial learning task.

1989 ◽  
Vol 86 (8) ◽  
pp. 2948-2951 ◽  
Author(s):  
H. K. Jiang ◽  
V. V. Owyang ◽  
J. S. Hong ◽  
M. Gallagher
2015 ◽  
Vol 110 ◽  
pp. 145-154 ◽  
Author(s):  
Christophe A.H. Bousquet ◽  
Odile Petit ◽  
Mathilde Arrivé ◽  
Jean-Patrice Robin ◽  
Cédric Sueur

2008 ◽  
Vol 62 (12) ◽  
pp. 1935-1945 ◽  
Author(s):  
Lucy C. Odling-Smee ◽  
Janette W. Boughman ◽  
Victoria A. Braithwaite

2019 ◽  
Vol 23 (1) ◽  
pp. 233-236 ◽  
Author(s):  
Shigeru Watanabe ◽  
Kazutaka Shinozuka

Abstract Japanese eels (Anguilla japonica) were trained on a Morris-type spatial learning task. There were four tubes in a pool, but the eels could hide in only one of these. The eels learned the position of the open tube, and maintained their performance when the pool was rotated to remove possible intra-maze cues. The eels could not maintain their performance in a dark room, suggesting that spatial learning involved extra-maze visual cues. When the position of the open tube was randomly changed every day, the performance of the eels in finding the open tube did not improve.


2007 ◽  
Vol 3 (3S_Part_1) ◽  
pp. S97-S97
Author(s):  
Maryam Blaran ◽  
Ahmad Ali Moazedi ◽  
Aliasghar Hemmaty ◽  
Abdolrahman Rasekh

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