Search Results - "Marek, Ryan"

A surrogate forelimb: Evolution, function and development of the avian cervical spine by Marek, Ryan D.

“…The neck is a critical portion of the avian spine, one that works in tandem with the beak to act as a surrogate forelimb and allows birds to manipulate their…”
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The neck as a keystone structure in avian macroevolution and mosaicism by Marek, Ryan D, Felice, Ryan N

“…The origin of birds from non-avian theropod dinosaur ancestors required a comprehensive restructuring of the body plan to enable the evolution of powered…”
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Should presurgical psychological evaluations still be a mandated requirement for metabolic and bariatric surgery? A critique of the literature and thoughts on future directions by Marek, Ryan J., Heinberg, Leslie J.

“…For more than 30 years, clinical practice guidelines for the perioperative support of patients who undergo metabolic and bariatric surgery have recommended a…”
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Measurement of Eating Pathology Using the Minnesota Multiphasic Personality Inventory-3 (MMPI-3) by Marek, Ryan J., Anderson, Jaime L.

“…Eating disorders are prevalent among college student populations. Although previous iterations of the instrument did not include specific measurement of eating…”
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Computational Modeling for the Oxidation Reactions of the Cysteine Residues with the Superoxide and the Organic Radical Species by Hagras, Muhammad A., Marek, Ryan A., Hatahet, Feras, Trout, Bernhardt L.

“…The current computational study analyzes the oxidation reactions of the superoxide and hydroxyl radicals with cysteine residues due to their importance as…”
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Somatoform's placement and validity in the hierarchical taxonomy of psychopathology (HiTOP) by Woodling, Chloe, Wygant, Dustin B., Umlauf, Robert L., Marek, Ryan J.

“…•Recent advances in the hierarchical taxonomy of psychopathology (HiTOP) suggests somatoform is a separate spectrum from internalizing.•This study empirical…”
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Reliability and Validity of Minnesota Multiphasic Personality Inventory-3 (MMPI-3) Scale Scores Among Patients Seeking Spine Surgery by Marek, Ryan J., Block, Andrew R., Ben-Porath, Yossef S.

“…The Minnesota Multiphasic Personality Inventory (MMPI) family of instruments has been commonly used for the evaluation of patients seeking surgical…”
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Six-year postoperative associations between the Minnesota Multiphasic Personality Inventory – 3 (MMPI-3) and weight recurrence, eating behaviors, adherence, alcohol misuse, and quality of life by Marek, Ryan J., Ben-Porath, Yossef S., Heinberg, Leslie J.

“…Metabolic and bariatric surgery (MBS) leads to beneficial and sustained outcomes. However, many patients evidence weight recurrence and psychosocial…”
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Exploring Potential Ethnic Bias Among MMPI-3 Scales in Assessing Personality Psychopathology by Shumaker, Nicole, Long, Tessa, Torres, Andy, Mercado, Alfonso, Marek, Ryan J, Anderson, Jaime L

“…This study examined statistical bias in the measurement of personality psychopathology in the Latinx population using the Minnesota Multiphasic Personality…”
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Computational Modeling of the Disulfide Cross-Linking Reaction by Hagras, Muhammad A, Bellucci, Michael A, Gobbo, Gianpaolo, Marek, Ryan A, Trout, Bernhardt L

“…Disulfide cross-linking is one of the fundamental covalent bonds that exist prevalently in many biological molecules that is involved in versatile functional…”
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Factor Structure and Validity of the Inventory of Depression and Anxiety Symptoms-II (IDAS-II) in a Chronic Back Pain Treatment-Seeking Sample by Kaye, Savannah, Wygant, Dustin B., Umlauf, Robert L., Marek, Ryan J.

“…Many patients who seek treatment for chronic back pain are also at a higher risk of having comorbid anxiety- and depression-related disorders. Measures of mood…”
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Using the presurgical psychological evaluation to predict 5-year weight loss outcomes in bariatric surgery patients by Marek, Ryan J., M.A, Ben-Porath, Yossef S., Ph.D, Dulmen, Manfred H M van, Ph.D, Ashton, Kathleen, Ph.D, Heinberg, Leslie J., Ph.D

“…Abstract Background Psychosocial factors contribute to poorer weight loss outcomes following bariatric surgery; however, findings on associations between…”
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Evolutionary versatility of the avian neck by Marek, Ryan D, Falkingham, Peter L, Benson, Roger B J, Gardiner, James D, Maddox, Thomas W, Bates, Karl T

“…Bird necks display unparalleled levels of morphological diversity compared to other vertebrates, yet it is unclear what factors have structured this variation…”
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Decoupling body shape and mass distribution in birds and their dinosaurian ancestors by Macaulay, Sophie, Hoehfurtner, Tatjana, Cross, Samuel R. R., Marek, Ryan D., Hutchinson, John R., Schachner, Emma R., Maher, Alice E., Bates, Karl T.

“…It is accepted that non-avian theropod dinosaurs, with their long muscular tails and small forelimbs, had a centre-of-mass close to the hip, while extant…”
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A Review of Psychological Assessment Instruments for Use in Bariatric Surgery Evaluations by Marek, Ryan J., Heinberg, Leslie J., Lavery, Megan, Merrell Rish, Julie, Ashton, Kathleen

“…Bariatric surgery is a viable treatment option for patients with extreme obesity and associated medical comorbidities; however, optimal surgical outcomes are…”
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Factor Structure and Measurement Invariance of the Attitudes Toward Persons with Obesity (ATOP) Scale in a Preoperative and Postoperative Bariatric Surgery Sample by Marek, Ryan J., Ivezaj, Valentina, Schuh, Leslie, Creel, David, Grilo, Carlos M.

“…Background The Attitudes Toward Persons with Obesity (ATOP) scale is widely used to assess stigmatization toward persons with obesity. The measure has…”
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Self-Other Balance in Context: A Quiet Ego May Be Meaningful and Adaptive in Latinx/Hispanic Cultures and Work Settings by Bistricky, Steven L., Sublett, Lisa W., Moreno, Georgina L., Palmer, Lauren E., Marek, Ryan J.

“…Quiet ego is a relatively novel, increasingly studied, multi-dimensional concept characterized by a compassionate, interdependent worldview and an adaptive…”
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An Investigation of the Eating Concerns Scale of the Minnesota Multiphasic Personality Inventory–3 (MMPI-3) in a Postoperative Bariatric Surgery Sample by Marek, Ryan J., Martin-Fernandez, Katy, Heinberg, Leslie J., Ben-Porath, Yossef S.

“…Eating pathology is common pre-operatively and continues to be prevalent following bariatric surgery. A new version of the Minnesota Multiphasic Personality…”
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Further evidence regarding the convergent and discriminant validity of Minnesota Multiphasic Personality Inventory-3 (MMPI-3) scores in the preoperative psychological evaluation of patients seeking metabolic and bariatric surgery by Marek, Ryan J., Ben-Porath, Yossef S., Panigrahi, Eva, Pona, Ashleigh A.

“…Psychological testing is used in some preoperative psychological evaluations of patients seeking metabolic and bariatric surgery. The Minnesota Multiphasic…”
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Validation of a Psychological Screening Algorithm for Predicting Spine Surgery Outcomes by Marek, Ryan J., Block, Andrew R., Ben-Porath, Yossef S.

“…It is well established that psychological factors can affect spine surgery results. A widely utilized presurgical psychological screening (PPS) algorithm that…”
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