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Social and Behavioral Sciences

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Louisiana State University

Theses/Dissertations

2011

Anxiety

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Assessing Attentional Bias And Cerebral Laterality In Specific Phobia Using A Dichotic Listening Paradigm, Whitney Shay Jenkins Jan 2011

Assessing Attentional Bias And Cerebral Laterality In Specific Phobia Using A Dichotic Listening Paradigm, Whitney Shay Jenkins

LSU Master's Theses

Researchers have found fear to impact a variety of cognitive variables in individuals with specific phobia. Attentional bias is a cognitive variable that has received considerable attention in the specific phobia literature; however, the existing literature follows only one line of attentional bias—bias as encoded through images, words, or other content presented visually. This study aimed to expand on this area by assessing attention and cerebral laterality in individuals with specific phobia using a dichotic listening paradigm (i.e., via auditory means). Results indicated that participants with specific phobias do not significantly differ from controls in terms of the number of …


Relationships Among The Behavioral Inhibition System, Response Inhibition, Heart Rate Variability, And Anxiety Sensitivity Between Older Adolescents With And Without Significant Anxiety, Erin Tarcza Reuther Jan 2011

Relationships Among The Behavioral Inhibition System, Response Inhibition, Heart Rate Variability, And Anxiety Sensitivity Between Older Adolescents With And Without Significant Anxiety, Erin Tarcza Reuther

LSU Doctoral Dissertations

Differences in the Behavioral Inhibition System (BIS; Gray, 1982), response inhibition, and cardiac vagal control are evident between individuals with anxiety and nonclinical control participants. In this study, the role of inhibition in anxiety was examined, as well as relationships between the primary indexes of inhibition including the behavioral inhibition system (BIS), response inhibition, and cardiac vagal tone (or heart rate variability) at rest and during tasks of response inhibition. Additionally, anxiety sensitivity, an established risk factor for developing anxiety disorders, was examined and how it relates to indexes of inhibition. As expected, inhibition and anxiety sensitivity were found to …