Article ; Online: Ventral, but not dorsal, hippocampus inactivation impairs reward memory expression and retrieval in contexts defined by proximal cues.
2017 Volume 27, Issue 7, Page(s) 822–836
Abstract: The hippocampus (HPC) has been widely implicated in the contextual control of appetitive and aversive conditioning. However, whole hippocampal lesions do not invariably impair all forms of contextual processing, as in the case of complex biconditional ... ...
| Abstract | The hippocampus (HPC) has been widely implicated in the contextual control of appetitive and aversive conditioning. However, whole hippocampal lesions do not invariably impair all forms of contextual processing, as in the case of complex biconditional context discrimination, leading to contention over the exact nature of the contribution of the HPC in contextual processing. Moreover, the increasingly well-established functional dissociation between the dorsal (dHPC) and ventral (vHPC) subregions of the HPC has been largely overlooked in the existing literature on hippocampal-based contextual memory processing in appetitively motivated tasks. Thus, the present study sought to investigate the individual roles of the dHPC and the vHPC in contextual biconditional discrimination (CBD) performance and memory retrieval. To this end, we examined the effects of transient post-acquisition pharmacological inactivation (using a combination of GABA |
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| MeSH term(s) | Animals ; Cues ; Discrimination Learning/physiology ; Hippocampus/physiology ; Male ; Memory/physiology ; Rats ; Rats, Long-Evans ; Reward |
| Language | English |
| Publishing date | 2017-05-08 |
| Publishing country | United States |
| Document type | Journal Article ; Research Support, Non-U.S. Gov't |
| ZDB-ID | 1074352-2 |
| ISSN | 1098-1063 ; 1050-9631 |
| ISSN (online) | 1098-1063 |
| ISSN | 1050-9631 |
| DOI | 10.1002/hipo.22734 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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