999 resultados para Cristina Rivera Garza
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Durant els darrers anys hem assistit a una ampliació de la perspectiva a través de la qual han estat observades les imatges. Entre els historiadors de l'art, les preguntes tradicionals, centrades en l'autoria o en la seva dimensió estètica, han passat a compartir l'interès amb altres qüestions com ara la del comitent i el seu entorn, la circulació, el mercat o els múltiples usos i significats que aquelles podien adquirir.
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Background: Endocannabinoids and temperament traits have been linked to both physical activity and body mass index (BMI) however no study has explored how these factors interact in females. The aims of this cross-sectional study were to 1) examine differences among distinct BMI groups on daytime physical activity and time spent in moderate-vigorous physical activity (MVPA), temperament traits and plasma endocannabinoid concentrations; and 2) explore the association and interaction between MVPA, temperament, endocannabinoids and BMI. Methods: Physical activity was measured with the wrist-worn accelerometer Actiwatch AW7, in a sample of 189 female participants (43 morbid obese, 30 obese, and 116 healthy-weight controls). The Temperament and Character Inventory-Revised questionnaire was used to assess personality traits. BMI was calculated by bioelectrical impedance analysis via the TANITA digital scale. Blood analyses were conducted to measure levels of endocannabinoids and endocannabinoid-related compounds. Path-analysis was performed to examine the association between predictive variables and MVPA. Results: Obese groups showed lower MVPA and dysfunctional temperament traits compared to healthy-weight controls. Plasma concentrations of 2-arachidonoylglyceryl (2-AG) were greater in obese groups. Path-analysis identified a direct effect between greater MVPA and low BMI (b = −0.13, p = .039) and high MVPA levels were associated with elevated anandamide (AEA) levels (b = 0.16, p = .049) and N-oleylethanolamide (OEA) levels (b = 0.22, p = .004), as well as high Novelty seeking (b = 0.18, p<.001) and low Harm avoidance (b = −0.16, p<.001). Conclusions: Obese individuals showed a distinct temperament profile and circulating endocannabinoids compared to controls. Temperament and endocannabinoids may act as moderators of the low MVPA in obesity.
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Kirjallisuusarvostelu
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Tesis (Maestría en Bibliotecología) UANL
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Tesis (Maestría en Trabajo Social) UANL
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Tesis (Maestría en Ciencias con Especialidad en Botánica) UANL
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Tesis (Master en Ciencias con Especialidad en Administración de la Construcción) U.A.N.L.
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Tesis (Maestría en Ciencias de la Comunicación) U.A.N.L.
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Tesis (Maestría en Ciencias de la Administración con Especialidad en Finanzas) U.A.N.L.
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Tesis (Maestría en Ciencias, con especialidad en Inmunología) U.A.N.L.
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UANL
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Tesis (Lic. en Nutrición) U.A.N.L.
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Tesis (Maestría en Enfermería, con especialidad en Salud Comunitaria) U.A.N.L.Facultad de Enfermería, 1990