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Cohen, Justine E.; Ross, Robert S.; Stern, Chantal E. – Learning & Memory, 2018
Previous research has demonstrated that areas in the medial temporal lobe and prefrontal cortex (PFC) show increased activation during retrieval of overlapping sequences. In this study, we designed a task in which degree of overlap varied between conditions in order to parse out the contributions of hippocampal and prefrontal subregions as overlap…
Descriptors: Prediction, Brain Hemisphere Functions, Visual Stimuli, Diagnostic Tests
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Burman, Michael A.; Gewirtz, Jonathan C. – Learning & Memory, 2004
In two experiments, the time course of the expression of fear in trace (hippocampus-dependent) versus delay (hippocampus-independent) conditioning was characterized with a high degree of temporal specificity using fear-potentiated startle. In experiment 1, groups of rats were given delay fear conditioning or trace fear conditioning with a 3- or…
Descriptors: Stimuli, Conditioning, Fear, Anxiety