Social and Behavioral Sciences Commons^™

The Effects Of Ketamine On Cognitive Bias In A Stress Vulnerable Chick Strain, Kristen Anne Hymel

Electronic Theses and Dissertations

Cognitive bias is a phenomenon that presents in individuals suffering from anxiety and depression where anxious individuals tend to adopt a more pessimistic interpretation of ambiguous aversive stimuli and depressed individuals tend to adopt both a more pessimistic interpretation of ambiguous aversive stimuli as well as a less optimistic interpretation of ambiguous appetitive stimuli. Such biases have been pharmacologically reversed using anxiolytics and antidepressants. The chick anxiety-depression model has observed more pessimistic-like and less optimistic-like behavior in approach/avoidant runway performance to ambiguous aversive and ambiguous appetitive stimuli, respectively. Further, both types of cognitive biases have been reversed in a White …