Task solving by procedural strategies in the Morris water maze

Physiology & Behavior
Elisabetta BaldiBucherelli Corrado

Abstract

The aim of the present work was to assess the importance of the "general procedural" components, when for rats it was impossible to employ extramaze allothetic information to reach the goal in the Morris water maze (MWM). Groups of Long-Evans rats (males, 70 days old) were trained (10 trials per day, over five consecutive days) following seven paradigms. Four paradigms differed in context (extramaze cues available; extramaze cues not available) and in platform location (constantly at the center of one quadrant of the water maze; at random at the center of any one of the quadrants). In the fifth paradigm, there were no extramaze cues available, and the platform was located at random distances from the maze wall. In the sixth paradigm, rats underwent the standard MWM training (extramaze cues available, invisible platform constantly placed in the center of one quadrant) but they were administered with scopolamine before the daily trials. In a seventh paradigm, the platform was visible. In all paradigms, the starting point was randomized with respect to the goal. When platform distance from the wall was random, there was no significative better performance after the trials. In all the six paradigms in which platform location was at...Continue Reading

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Citations

Nov 28, 2007·Journal of Neuroimmune Pharmacology : the Official Journal of the Society on NeuroImmune Pharmacology·Michael VigoritoSulie L Chang
Sep 3, 2013·Neurotoxicology·Xiaofeng ShenFuzhou Wang
Jun 14, 2006·Behavioral Neuroscience·Rubén MirandaJorge L Arias
Mar 24, 2010·Behavioural Brain Research·Chris P DavisLisa M Schrott
Jun 28, 2005·The European Journal of Neuroscience·Apostolia FragkouliVassilis Pachnis
Sep 24, 2004·International Journal of Developmental Neuroscience : the Official Journal of the International Society for Developmental Neuroscience·Michael T WilliamsCharles V Vorhees
Apr 20, 2006·Journal of Neuroscience Methods·Se Hoon ChoiTimothy Schallert
Mar 23, 2005·Neuroscience Letters·Elisabetta BaldiCorrado Bucherelli
Mar 10, 2018·Learning & Behavior·Cameron M ByeRobert J McDonald

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