Abstract:
:C57BL/6 (C57) and DBA/2 (DBA) inbred mice with posterior parietal cortex or sham lesions were tested in a radial eight-arm maze task with all the paths baited. In the high learner C57 strain, parietal lesions produced a limited impairment of performance without affecting maze-running strategies while the same lesions were found to affect more severely performance in the poor learner DBA strain. Because (1) the processing of spatial information has been found to depend on the conjunctive participation of the hippocampus and the posterior parietal cortex, and (2) DBA mice represent a genetic model of hippocampal dysfunction, the fact that parietal lesions impair spatial performance more severely in the DBA strain suggests that the contribution of the posterior parietal cortex to spatial learning depends on the degree of functionality of the hippocampus.
journal_name
Behav Brain Resjournal_title
Behavioural brain researchauthors
Ammassari-Teule M,Save E,de Marsanich B,Thinus-Blanc Cdoi
10.1016/s0166-4328(97)00213-1subject
Has Abstractpub_date
1998-09-01 00:00:00pages
85-90issue
1eissn
0166-4328issn
1872-7549pii
S0166-4328(97)00213-1journal_volume
95pub_type
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