Efecto del diacepam sobre la extinción consumatoria

Nadia Justel, Alba Mustaca, Mariana Bentosela, Eliana Ruetti

Resumen


La frustración puede definirse como la reacción emocional que se produce ante la disminución u omisión inesperada de un reforzador. Uno de los procedimientos experimentales utilizados para inducir frustración es la Extinción consumatoria, en ella las ratas reciben una solución azucarada al 32% y luego sorpresivamente no reciben la recompensa. Los resultados obtenidos señalan que la administración de diacepam acelera la supresión de la respuesta condicionada ante el bebedero vacío. Los datos hallados coinciden con el efecto de otros tratamientos ansiolíticos sobre la Extinción consumatoria y procedimientos operantes que utilizan la respuesta de presión de palanca. Sin embargo, son opuestos a lo observado en otros procedimientos consumatorios, que utilizan agua en animales sedientos, y en otras tareas instrumentales en las que el diacepam retrasa la extinción de la respuesta. Los datos se discuten en el marco del papel controversial que tienen los ansiolíticos en la extinción de una respuesta previamente adquirida.

Palabras clave


diacepam; extinción consumatoria; frustración; ratas

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Referencias


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DOI: http://dx.doi.org/10.32348/1852.4206.v3.n2.5223

Copyright (c) 2011 Nadia Justel, Alba Mustaca, Mariana Bentosela, Eliana Ruetti

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