| pubmed-article:19321751 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:19321751 | lifeskim:mentions | umls-concept:C1882071 | lld:lifeskim |
| pubmed-article:19321751 | lifeskim:mentions | umls-concept:C0027882 | lld:lifeskim |
| pubmed-article:19321751 | lifeskim:mentions | umls-concept:C0019564 | lld:lifeskim |
| pubmed-article:19321751 | lifeskim:mentions | umls-concept:C0271510 | lld:lifeskim |
| pubmed-article:19321751 | lifeskim:mentions | umls-concept:C0205245 | lld:lifeskim |
| pubmed-article:19321751 | lifeskim:mentions | umls-concept:C0814087 | lld:lifeskim |
| pubmed-article:19321751 | lifeskim:mentions | umls-concept:C1880177 | lld:lifeskim |
| pubmed-article:19321751 | pubmed:issue | 14 | lld:pubmed |
| pubmed-article:19321751 | pubmed:dateCreated | 2009-4-8 | lld:pubmed |
| pubmed-article:19321751 | pubmed:abstractText | The dentate gyrus (DG), a hippocampal subregion, continuously produces new neurons in the adult mammalian brain that become functionally integrated into existing neural circuits. To what extent this form of plasticity contributes to memory functions remains to be elucidated. Using mapping of activity-dependent gene expression, we visualized in mice injected with the birthdating marker 5-bromo-2'-deoxyuridine the recruitment of new neurons in a set of controlled water maze procedures that engage specific spatial memory processes and require hippocampal-cortical networks. Here, we provide new evidence that adult-generated hippocampal neurons make a specific but differential contribution to the processing of remote spatial memories. First, we show that new neurons in the DG are recruited into neuronal networks that support retrieval of remote spatial memory and that their activation is situation-specific. We further reveal that once selected, new hippocampal neurons are durably incorporated into memory circuits, and also that their recruitment into hippocampal networks contributes predominantly to the updating and strengthening of a previously encoded memory. We find that initial spatial training during a critical period, when new neurons are more receptive to surrounding neuronal activity, favors their subsequent recruitment upon remote memory retrieval. We therefore hypothesize that new neurons activated during this critical period become tagged so that once mature, they are preferentially recruited into hippocampal networks underlying remote spatial memory representation when encountering a similar experience. | lld:pubmed |
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| pubmed-article:19321751 | pubmed:language | eng | lld:pubmed |
| pubmed-article:19321751 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:19321751 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:19321751 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:19321751 | pubmed:month | Apr | lld:pubmed |
| pubmed-article:19321751 | pubmed:issn | 1091-6490 | lld:pubmed |
| pubmed-article:19321751 | pubmed:author | pubmed-author:BontempiBruno... | lld:pubmed |
| pubmed-article:19321751 | pubmed:author | pubmed-author:RoulletPascal... | lld:pubmed |
| pubmed-article:19321751 | pubmed:author | pubmed-author:RamponClaireC | lld:pubmed |
| pubmed-article:19321751 | pubmed:author | pubmed-author:TroucheStépha... | lld:pubmed |
| pubmed-article:19321751 | pubmed:issnType | Electronic | lld:pubmed |
| pubmed-article:19321751 | pubmed:day | 7 | lld:pubmed |
| pubmed-article:19321751 | pubmed:volume | 106 | lld:pubmed |
| pubmed-article:19321751 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:19321751 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:19321751 | pubmed:pagination | 5919-24 | lld:pubmed |
| pubmed-article:19321751 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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| pubmed-article:19321751 | pubmed:meshHeading | pubmed-meshheading:19321751... | lld:pubmed |
| pubmed-article:19321751 | pubmed:year | 2009 | lld:pubmed |
| pubmed-article:19321751 | pubmed:articleTitle | Recruitment of adult-generated neurons into functional hippocampal networks contributes to updating and strengthening of spatial memory. | lld:pubmed |
| pubmed-article:19321751 | pubmed:affiliation | Université de Toulouse, Université Paul Sabatier, Centre de Recherches sur la Cognition Animale, 118 Route de Narbonne, F-31062 Toulouse Cedex 9, France. | lld:pubmed |
| pubmed-article:19321751 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:19321751 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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