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are not known, although it is assumed that configural strategies normally
 

Summary: are not known, although it is assumed
that configural strategies normally
supersede elemental strategies.
The lion's share of work implicat-
ing the hippocampus in contextual
conditioning has been derived from
studies of fear conditioning in rats. In
fear conditioning tasks, discrete and/or
contextual CSs that are paired with
footshock come to evoke conditional
fear responses (CRs) such as defecation,
potentiated acoustic startle, elevated
blood pressure and freezing. In many
laboratories, contextual fear is assessed
by returning the rats to the condition-
ing chamber and measuring freezing.
That the hippocampus plays an impor-
tant role in contextual fear condition-
ing is indicated by studies demonstrat-
ing that dorsal hippocampal lesions

  

Source: Anagnostaras, Stephan - Neurosciences Program & Department of Psychology, University of California at San Diego

 

Collections: Biology and Medicine