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Psychological Phenomena and Processes

Theses and Dissertations--Psychology

Eating disorders

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Full-Text Articles in Behavior and Behavior Mechanisms

The Role Of Alexithymia And Affective Lability In Disordered Eating Behaviors, Anna Marie Lilia Ortiz Jan 2021

The Role Of Alexithymia And Affective Lability In Disordered Eating Behaviors, Anna Marie Lilia Ortiz

Theses and Dissertations--Psychology

Affective distress may influence eating disorder behaviors in multiple ways. Affective lability refers to the tendency to experience frequent and striking fluctuations in mood. There is considerable evidence that it predicts eating disorder symptoms. Further, alexithymia is characterized by difficulties identifying and describing feelings and an externally oriented thinking style. Alexithymia has also been implicated in the development and maintenance of eating disorders. To date, these risk factors have been studied separately. Given the evidence that both alexithymia and affective lability are affective components associated with eating disordered behaviors, it may be important to examine possible relationships among alexithymia, affective …


Eating Disorder Onset In Young Girls: A Longitudinal Trajectory Analysis, Carolyn M. Pearson Jan 2014

Eating Disorder Onset In Young Girls: A Longitudinal Trajectory Analysis, Carolyn M. Pearson

Theses and Dissertations--Psychology

To investigate whether there are different patterns of development for binge eating and purging behavior among pre-adolescent and early adolescent girls, I conducted trajectory analyses of those behaviors in 938 girls across eight waves of data from the spring of 5th grade (the last year of elementary school) through the spring of 9th grade (the first year of high school). Analyses revealed four separate developmental trajectories for binge eating behavior (labeled none, increasing, decreasing, and high steady) and three separate developmental trajectories for purging behavior (labeled none, dabble, and increasing). Fifth grade scores on risk factors that were …