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The Effects Of Primary Olfactory Cortical And Thalamic Lesions On Olfactory Continuous Non-Matching To Sample And Discrimination In The Rat, Yueping Zhang
Doctoral Dissertations
Forty-two male rats were pretrained on the olfactory continuous delayed non-matching to sample (CDNMTS) task. They were then matched for performance and randomly assigned to one of the following six treatment groups: excitotoxic lesions of pyriform cortex, later entorhinal cortex, lateral internal medullary lamina (L-IML), mediodorsal nucleus (MDn), nonspecific nuclei, and sham control. After recovery from surgery, the rats were retrained on the olfactory CDNMTS. Delay effects were examined by manipulating retention intervals (RI), with five RIs (4, 6, 9, 13.5, and 20.25 s) randomly mixed within each session. The number of odor stimuli used in each session varied from …
The Generation Of Predictive Inferences And The Availability Of Contextual Information, Michelle Lenore Rizzella
The Generation Of Predictive Inferences And The Availability Of Contextual Information, Michelle Lenore Rizzella
Doctoral Dissertations
Five experiments were conducted to determine whether readers generate predictive inferences when biasing context was available at either a local level (i.e., in short-term memory) or global level (i.e., in long-term memory). Subjects read passages that described two characters; one description contained contextual information supporting a predictive inference and the other description did not. Experiments 1 and 2 examined whether subjects generated a predictive inference when biasing context was locally available. Reading time differences in Experiment 1 demonstrated that subjects experienced comprehension difficulty when critical sentences were inconsistent with biasing context. Experiment 2 showed that subjects had generated a predictive …