Sociocultural models of disordered eating lack comprehensive explanations as to how thin ideal internalization leads to body dissatisfaction. This study examined two social psychological theories as explanations of this relation, namely social comparison and objectification theories, in a sample of 265 women attending a Southeastern university. Social comparison (both general and appearance-related) and body surveillance (the indicator of objectification) were tested as mediators of the relation between thin ideal internalization and body dissatisfaction using bootstrapping analyses. Results indicated that body surveillance was a significant specific mediator of this relation; however, neither operationalization of social comparison emerged as such. Results serve to elaborate upon the sociocultural model of disordered eating by providing a more comprehensive understanding of the processes by which thin ideal internalization manifests itself in body dissatisfaction. The current findings also highlight the importance of targeting body surveillance in clinical settings.
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http://dx.doi.org/10.1016/j.bodyim.2011.09.002 | DOI Listing |
Appetite
January 2025
Department of Psychology, Université du Québec à Trois-Rivières, G9A 5H7, Trois-Rivières, QC, Canada. Electronic address:
The present study explored how patterns of sociocultural appearance pressures were linked to positive and negative facets of body image and eating behaviors in an adolescent sample (N = 438). Latent profile analyses indicated three distinct subgroups of perceived sociocultural appearance-related pressures: a Generalized-Pressure profile (28.8%) (moderate pressure from mother, father, and peers, and relatively high pressure from the media), a High-Media-Pressure profile (38.
View Article and Find Full Text PDFDent J (Basel)
December 2024
Department of Life, Health and Environmental Sciences, Postgraduate School of Orthodontics, University of L'Aquila, 67100 L'Aquila, Italy.
The injection moulding technique (IMT) is a minimally invasive restorative treatment. This technique enables the application of thin, flowable composite layers into a stable, transparent silicone index that serves as a mould. Due to the fluid properties of the composite, it efficiently fills the silicone tray and seamlessly integrates with the tooth structure, often obviating tooth preparation and preserving overall tooth integrity.
View Article and Find Full Text PDFMicrosyst Nanoeng
January 2025
Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, China.
Nanoelectromechanical systems (NEMS) based on atomically-thin tungsten diselenide (WSe), benefiting from the excellent material properties and the mechanical degree of freedom, offer an ideal platform for studying and exploiting dynamic strain engineering and cross-scale vibration coupling in two-dimensional (2D) crystals. However, such opportunity has remained largely unexplored for WSe NEMS, impeding exploration of exquisite physical processes and realization of novel device functions. Here, we demonstrate dynamic coupling between atomic lattice vibration and nanomechanical resonances in few-layer WSe NEMS.
View Article and Find Full Text PDFAnal Chem
January 2025
Departamento de Química Física, Facultad de Química, Regional Campus of International Excellence "Campus Mare Nostrum", Universidad de Murcia, Murcia 30100, Spain.
Electrochemistry in confined environments, that is, involving experimental configurations with spatial restrictions that affect the overall mass transport, is becoming a very attractive way of carrying out electroanalytical measurements for sensing, especially for the so-called thin-layer (TL) configuration, which ideally allows the complete conversion of the analytes under study in small volumes and short times. To improve the understanding of this kind of situation, general expressions for the current-potential-time and charge-potential-time responses of charge transfer processes taking place under finite diffusion conditions with two different configurations (no mass renovation, bounded diffusion; and effective mass renovation, unbounded diffusion) are discussed in this work. By using these expressions, it is possible to establish accurate limits for the attainment of TL conditions and to conclude that for bounded conditions, the charge is a more adequate quantity for electroanalytical purposes.
View Article and Find Full Text PDFACS Appl Mater Interfaces
January 2025
School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, P. R. China.
Aerogels are regarded as the next generation of thermal insulators; however, conventional aerogels suffer from issues such as brittleness, low moisture resistance, and a complex production process. Subnanowires (SNWs) are emerging materials known for their exceptional flexibility, toughness, intrinsic hydrophobicity, and gelling capabilities, making them ideal building blocks for flexible, tough, hydrophobic, and thermally insulating aerogels. Herein, we present a simple and scalable strategy to construct SNW aerogels by freeze-drying hydroxyapatite (HAP) SNW dispersions in cyclohexane.
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