![]() ![]() However, correlations between number of null responses during avoidance learning and two other measures suggest that the null response measure may be an index of a continuum of learned helplessness within the BXSB strain. videos were analyzed with ANY-Maze tracking software (Stoelting Co., Wood Dale, IL, USA). ![]() ![]() In the spatial version of the task, the animal cannot see the platform directly and must locate it by learning its location in relation to spatial room cues. It is a submerged platform water escape task. Animals who were exposed to avoidance first did not demonstrate any learning deficits in subsequent tests, suggesting that there were no adverse effects of avoidance training on later water maze learning. The familiar Morris water maze is not a maze at all there are no walls or alleys (Klapdor & van der Staay, 1996 Prusky, West, & Douglas, 2000). One group of BXSB mice was tested in avoidance first, a water version of the Lashley III maze second, and water escape last, while another group was given these tests in the reverse order. If mice were experiencing learned helplessness during the avoidance testing, one would expect this to transfer to other behavioral tests resulting in lower learning scores. The authors investigated whether learned helplessness was a possible explanation for the observed learning deficits demonstrated by autoimmune mice in shuttlebox avoidance. ![]()
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