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Artículo

Open field exposure facilitates recovery from an aversive emotional event: Involvement of adrenergic and cholinergic transmitter systems

Psyrdellis, MarianaIcon ; Pautassi, Ricardo MarcosIcon ; Justel, NadiaIcon
Fecha de publicación: 10/2016
Editorial: Elsevier Ireland
Revista: Neuroscience Letters
ISSN: 0304-3940
Idioma: Inglés
Tipo de recurso: Artículo publicado

Resumen

Successive negative contrast (SNC) is an incentive relativity procedure that has been widely used to model emotional reactivity in rodents. The reward downshift experienced during SNC is thought to result in frustration. The exploration of a novel open field (OF), a complex situation involving stress induction and novelty detection, can enhance or block the acquisition of associative and non-associative memories. Previous experiments found a modulatory effect of OF, applied before downshift trials, on SNC. This schedule, however, can affect retention performance by influencing attentional, motivational, motor or sensory-perceptual mechanisms at training or retention testing. The use of post-training OF exposure avoids these confounds. This work assessed the effect of OF exposure after the acquisition of the downshifted memory, with the goal of targeting the consolidation of this mnemonic trace. We also investigated the involvement of the cholinergic and adrenergic systems in this phenomenon. The results indicated that OF facilitates recovery from reward loss and that both transmitter systems, cholinergic and adrenergic, play a role in this effect of OF.
Palabras clave: Open Field , Frustration , Emotional Memory , Novelty , Cholinergic , Adrenergic
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/47172
DOI: https://dx.doi.org/10.1016/j.neulet.2016.09.015
URL: https://www.sciencedirect.com/science/article/pii/S0304394016306887
Colecciones
Articulos(IDIM) [434]
Articulos de INST.DE INVEST.MEDICAS
Articulos(INIMEC - CONICET) [210]
Articulos de INSTITUTO DE INV. MEDICAS MERCEDES Y MARTIN FERREYRA
Citación
Psyrdellis, Mariana; Pautassi, Ricardo Marcos; Justel, Nadia; Open field exposure facilitates recovery from an aversive emotional event: Involvement of adrenergic and cholinergic transmitter systems; Elsevier Ireland; Neuroscience Letters; 633; 10-2016; 202-209
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