23 research outputs found
Commentary on muscle dysmorphia as an addiction: A response to Grant (2015) and Nieuwoudt (2015)
Background: Following the publication of our paper ‘Muscle Dysmorphia: Could it be classified as an addiction to body image?’ in the Journal of Behavioral Addictions, two commentaries by Jon Grant and Johanna Nieuwoudt were published in response to our paper. Method: Using the ‘addiction components model’, our main contention is that muscle dysmorphia (MD) actually comprises a number of different actions and behaviors and that the actual addictive activity is the maintaining of body image via a number of different activities such as bodybuilding, exercise, eating certain foods, taking specific drugs (e.g., anabolic steroids), shopping for certain foods, food supplements, and purchase or use of physical exercise accessories. This paper briefly responds to these two commentaries. Results: While our hypothesized specifics relating to each addiction component sometimes lack empirical support (as noted explicitly by both Nieuwoudt and Grant), we still believe that our main thesis (that almost all the thoughts and behaviors of those with MD revolve around the maintenance of body image) is something that could be empirically tested in future research by those who already work in the area. Conclusions: We hope that the ‘Addiction to Body Image’ model we proposed provides a new framework for carrying out work in both empirical and clinical settings. The idea that MD could potentially be classed as an addiction cannot be negated on theoretical grounds as many people in the addiction field are turning their attention to research in new areas of behavioral addiction
The effect of training in reduced energy density eating and food self-monitoring accuracy on weight loss maintenance
Background: Failure to maintain weight losses in lifestyle change programs continues to be a major problem and warrants investigation of innovative approaches to weight control.Objective: The goal of this study was to compare two novel group interventions, both aimed at improving weight loss maintenance, with a control group.Methods and Procedures: A total of 103 women lost weight on a meal replacement–supplemented diet and were then randomized to one of three conditions for the 14-week maintenance phase: cognitive-behavioral treatment (CBT); CBT with an enhanced food monitoring accuracy (EFMA) program; or these two interventions plus a reduced energy density eating (REDE) program. Assessments were conducted periodically through an 18-month postintervention. Outcome measures included weight and self-reported dietary intake. Data were analyzed using completers only as well as baseline-carried-forward imputation.Results: Participants lost an average of 7.6 plusminus 2.6 kg during the weight loss phase and 1.8 plusminus 2.3 kg during the maintenance phase. Results do not suggest that the EFMA intervention was successful in improving food monitoring accuracy. The REDE group decreased the energy density (ED) of their diets more so than the other two groups. However, neither the REDE nor the EFMA condition showed any advantage in weight loss maintenance. All groups regained weight between 6- and 18-month follow-ups.Discussion: Although no incremental weight maintenance benefit was observed in the EFMA or EFMA + REDE groups, the improvement in the ED of the REDE group\u27s diet, if shown to be sustainable in future studies, could have weight maintenance benefits.<br /
Childhood emotional trauma and cyberbullying perpetration among emerging adults: a multiple mediation model of the role of problematic social media use and psychopathology
Research suggests that a small minority of social media users experience problems as a result of their online use. The purpose of the present study was to examine the association of cyberbullying perpetration and problematic social media use with childhood emotional trauma, Cluster B (narcissistic, histrionic, antisocial, and borderline) personality traits, dissociative experiences (DEs), depression, and self-esteem in a nonclinical undergraduate sample. A total of 344 university students volunteered to complete a questionnaire that included measures on the aforementioned dimensions. Thirty-eight percent of the participants had emotional neglect and 27% had emotional abuse, while 44% of them demonstrated at least one cyberbullying perpetration behavior. Results indicated that cyberbullying perpetrators had higher scores on problematic social media use, dissociative experiences, Cluster B traits, depression and childhood emotional trauma, and lower on self-esteem. Path analysis demonstrated that, while adjusting for gender and age, childhood emotional trauma was directly and indirectly associated with cyberbullying perpetration via Cluster B traits. Moreover, depression and dissociation were directly associated with problematic social media use. The findings of this study emphasize the important direct role of childhood emotional trauma and pathological personality traits on cyberbullying perpetration
A randomized trial examining differential meal replacement adherence in a weight loss maintenance program after one-year follow-up
The purpose of the present study was to examine the relationship between patterns of meal replacement (MR) adherence and changes in outcomes during a behaviorally-oriented weight loss program. Data from the present study are based on sixty female participants (age: 29–62 years, BMI: 27.99–37.50 kg/m2). Participants were randomized into either a control or experimental condition, which tested the use of MRs during weight loss maintenance. Outcome measures included body weight, depression, physical activity, cognitive restraint, disinhibition, hunger, and binge eating collected at four assessment points. Within the experimental condition, we further examined adherence to MRs and its relationship with the outcome measures. We found evidence of differences at baseline on some measures (e.g., weight, physical activity and depression) while on others (cognitive restraint, disinhibition, and hunger), differences that emerged over the course of treatment. Further research is necessary to determine if there are measures associated with successful MR use that can be detected at baseline and if MR adherence itself leads to changes in eating behavior
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Analysis of measurements of Saharan dust by airborne and ground-based remote sensing methods during the Puerto Rico Dust Experiment (PRIDE)
Journal of Geophysical Research, 108(D19), 8586The article of record as published may be located at http://dx.doi.org/10.1029/2002JD002493.For 26 days in mid-June and July 2000, a research group comprised of U.S. Navy,
NASA, and university scientists conducted the Puerto Rico Dust Experiment (PRIDE).
In this paper we give a brief overview of mean meteorological conditions during the
study. We focus on our findings on African dust transported into the Caribbean
utilizing a Navajo aircraft and AERONET Sun photometer data. During the study
midvisible aerosol optical thickness (AOT) in Puerto Rico averaged 0.25, with a
maximum >0.5 and with clean marine periods of 0.08. Dust AOTs near the coast of
Africa (Cape Verde Islands and Dakar) averaged 0.4, 30% less than previous years.
By analyzing dust vertical profiles in addition to supplemental meteorology and
MPLNET lidar data we found that dust transport cannot be easily categorized into any
particular conceptual model. Toward the end of the study period, the vertical
distribution of dust was similar to the commonly assumed Saharan Air Layer (SAL)
transport. During the early periods of the study, dust had the highest concentrations in
the marine and convective boundary layers with only a weak dust layer in the
SAL being present, a state usually associated with wintertime transport patterns. We
corroborate the findings of Maring et al. [2003] that in most cases, there was an
unexpected lack of vertical stratification of dust particle size. We systematically
analyze processes that may impact dust vertical distribution and speculate that dust
vertical distribution predominately influenced by flow patterns over Africa and
differential advection coupled with fair weather cloud entrainment, mixing by easterly
waves, and regional subsidence