Unilateral hippocampal lesions prevent recall of a passive avoidance task in day-old chicks

The role of the hippocampal system in learning and memory processes in the chick was investigated. A series of experiments examined the effects of lesions in the hippocampal system on the acquisition and retention of a passive avoidance task. Chicks given pretraining bilateral hippocampal lesions showed a decrease of retention of the avoidance response evaluated 3 h posttraining. When given unilaterally, left, but not right lesions, resulted in reduced avoidance. However, bilateral posttraining lesions, made 1 h after training, did not interfere with retention of the task. These results suggest an involvement of the hippocampal system in learning processes in the chick.


Published in:
Neurosci Lett, 141, 2, 255-8
Year:
1992
ISSN:
0304-3940
Keywords:
Note:
Author address: Brain and Behaviour Research Group, Open University, Milton Keynes, UK.
Laboratories:




 Record created 2007-01-18, last modified 2018-03-17


Rate this document:

Rate this document:
1
2
3
 
(Not yet reviewed)