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Revista Mexicana de Trastornos Alimentarios

2016, Número 2

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Revista Mexicana de Trastornos Alimentarios 2016; 7 (2)


Estimación del tamaño corporal: discriminación de diferencias sutiles en partes corporales de hombres y mujeres

González-García DA, Acuña L

Idioma: Español
Referencias bibliográficas: 45
Paginas: 85-96
Archivo PDF: 505.30 Kb.


RESUMEN

Se determinó la sensibilidad de adultos para detectar diferencias peque˜nas en partes del cuerpo masculino y femenino (cara, brazos, pecho, cintura, cadera, muslos y pantorrillas). Participaron 202 adultos (84 hombres, 118 mujeres) con edad promedio de 34.9 a˜nos, quienes ajustaron el tamaño de cada parte de una silueta de comparación, hasta igualarlo con el de una silueta muestra. La sensibilidad para detectar diferencias peque˜nas fue mayor para la silueta masculina que para la femenina (fracciones medias de Weber, FW= 0.032, 0.036, respectivamente). La mayor sensibilidad fue para la cintura y la cadera de ambas siluetas(FW= 0.019 en ambos casos) y la menor para los brazos y la cara (FW= 0.048, 0.049, respec-tivamente). Los hombres, los jóvenes y aquellos con educación universitaria (FW entre 0.017 y0.043) fueron más sensibles para discriminar diferencias que sus contrapartes (FW entre 0.019y 0.053). De acuerdo con el enfoque ambientalista de la psicología social, esos subgrupos hanestado sujetos a mayores presiones sociales para afinar su discriminación de diferencias en laforma del cuerpo de sus conespecíficos. Este estudio a˜nade evidencia al conocimiento existentesobre cómo las variables culturales moldean la percepción corporal.


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