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Resumen Objetivo: analizar el procesamiento emocional en niños, niñas y adolescentes argentinos de edad escolar según sexo. Método: estudio descriptivo-comparativo con un diseño ex post facto, transversal. Participaron en la investigación 67 mujeres y 74 varones escolarizados de entre 7 y 14 años dividido en tres franjas etarias. Para evaluar el procesamiento emocional se utilizaron las 60 imágenes específicas para niños y adolescentes del International Affective Picture System (IAPS), y para medir los juicios evaluativos se utilizó el Self Assessment Manikin (SAM). Resultados: la distribución de las imágenes muestra una correlación moderada negativa entre dos dimensiones afectivas básicas del procesamiento emocional, la valencia afectiva y la activación fisiológica, con valores similares en ambos sexos. Las mujeres puntuaron más bajo que los varones en valencia y arousal, aunque sin diferencias estadísticamente significativas. Los varones evaluaron los estímulos aversivos con menor grado de activación y los estímulos agradables con mayor activación. En general, se observa mayor agrupamiento de las imágenes desagradables y neutras en las mujeres respecto de las de los varones. Conclusión: en ambos sexos se presentó una relación inversa entre valencia y arousal, evidenciada en mayor activación ante imágenes desagradables, lo cual demostraría una tendencia reaccionaron a las imágenes desagradables con mayor intensidad mientras que los varones, valoraron las imágenes agradables con mayor intensidad.
Abstract Objective: to analyze emotional processing in Argentine school-age children and adolescents according to sex. Method: descriptive-comparative study with an ex post facto, cross-sectional design. 67 girls and 74 schooled boys aged between 7 and 14, participated in the research divided into three age ranges. The 60 specific images for children and adolescents from the International Affective Picture System (IAPS) were used to assess emotional processing, and the Self-Assessment Manikin (SAM) was used to measure evaluative judgments. Results: the distribution of the images shows a moderate negative correlation between valence and arousal, with similar values in both sexes. Women scored lower in valence and arousal compared to men, although without statistically significant differences. The men evaluated the aversive stimuli with a lower degree of activation and the pleasant stimuli with greater activation. In general, a greater grouping of unpleasant and neutral images is observed in women compared to those of men. Conclusion: in both sexes there was an inverse relationship between valence and arousal, evidenced in greater activation in the face of unpleasant images, which would demonstrate an avoidance trend when arousal levels are high. Females reacted to unpleasant images with greater intensity while males rated pleasant images with higher degree.
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Resumen Uno de los instrumentos con mayor evidencia empírica y versatilidad para el estudio de las emociones y la motivación es el Sistema Internacional de Imágenes Afectivas (International Affective Picture System, IAPS). Sin embargo, no ha sido probado en población mexicana. Por esta razón el presente estudio tuvo por objetivo determinar los valores normativos en valencia, arousal y dominancia para los conjuntos 13, 14, 19 y 20 del IAPS en población mexicana, e identificar las diferencias con países de América (Colombia y Estados Unidos). Participaron 408 estudiantes quienes evaluaron 238 imágenes del IAPS a través del Self-Assessment Manikin (SAM). Los resultados mostraron que la distribución de las imágenes en el espacio afectivo bidimensional (valencia-arousal) adoptan la forma esperada de boomerang, coincidiendo con lo encontrado en otras poblaciones. Sin embargo, en población mexicana es más fuerte la relación entre valencia apetitiva y arousal que entre valencia aversiva y arousal. En conclusión, los valores normativos de los conjuntos 13, 14, 19 y 20 pueden ser utilizados en población mexicana para el estudio objetivo de las emociones.
Abstract The International Affective Picture System (IAPS) is an instrument to the study of emotions and motivation with a high empirical evidence and versatility. However, it has not been tested in Mexican population, for that reason the aim of this study was to determine the normative values of valence, arousal and dominance for the IAPS sets of pictures 13, 14, 19 and 20 in Mexican population. Participants were 408 students who assessed 238 images of the IAPS through the Self-Assessment Manikin (SAM). The results showed that the pictures distribution on the two-dimensional affective space (valence-arousal); take a boomerang form, which is consistent with the findings in other populations. Nevertheless, in the Mexican population there was a stronger relationship between appetitive valence and arousal than the one observe in aversive valence and arousal. In conclusion the normative values in the IAPS sets of pictures 13, 14, 19 and 20 can be used in the study of emotions in Mexican people.
Assuntos
Humanos , Comportamento , Testes Psicológicos , EmoçõesRESUMO
The International Affective Picture System (IAPS) (Lang, Ohman, & Vaitl, 1988) is a standardized set of photographs to induce emotions in the context of experimental investigations. The aim of this study was determine the psychometric behavior of the IAPS for the preparation of standards in the Chilean population and the subsequent validation of the instrument for its use in Chile. 208 university students participated (40 percent men) and had an affective experience induced using the presentation of visual stimuli extracted from sets 7 and 14 of the IAPS. In order to evaluate valence, arousal and dominance, the self-assessment manikin (SAM) was used, made up of pictographic scales for each dimension and a scale of continuous variation of emotional reactions. The IAPS showed psychometric behavior comparable to the original, with the same boomerang-shaped distribution of scores being found in the valence/arousal relationship. The IAPS is a reliable tool for inducing emotions in studies related to affectivity.
El Sistema Internacional de Imágenes Afectivas (International Affective Picture System-IAPS) (Lang, Ohman, & Vaitl, 1988) es un conjunto estandarizado de fotografías para la inducción de emociones en el contexto de investigaciones experimentales. El objetivo de este estudio fue conocer el comportamiento psicométrico del IAPS para la confección de normas en la población chilena y la validación consiguiente del instrumento para su uso en Chile. Participaron 208 estudiantes universitarios (40 por ciento hombres) a quienes se les indujo una experiencia afectiva mediante la presentación de estímulos visuales extraídos del set 1 y 14 del IAPS. Para evaluar valencia, arousal y dominancia, se utilizo el maniquí de auto-evaluación o SAM (Self - Assessment Manikin), compuesto por escalas pictográficas para cada dimensión y una escala de variación continua de reacciones emocionales. El IAPS muestran un comportamiento psicométrico comparable al original, encontrándose la dispersión de puntajes de boomerang en la relación Valencia/Arousal. El IAPS es una herramienta confiable para la inducción de emociones en estudios ligados a la afectividad.
Assuntos
Humanos , Masculino , Feminino , Afeto/fisiologia , Estudantes/psicologia , Fatores Culturais , Nível de Alerta/fisiologia , Reconhecimento Visual de Modelos/fisiologia , Autoimagem , Chile , Estimulação Luminosa , Fatores Sexuais , Psicometria/métodosRESUMO
INTRODUÇÃO: A literatura científica indica a possibilidade de a percepção da emoção e a formação da memória emocional serem discordantes entre jovens e idosos. A mesma é pobre ao explorar essa possibilidade. Neste estudo, relatamos os resultados obtidos em um experimento-piloto com uma amostra de idosos brasileiros, que classificaram subjetivamente, através da escala Self Assessment Manikin, imagens oriundas do International Affective Picture System. MÉTODO: Quarenta e oito idosos voluntários da Universidade Aberta da Terceira Idade, saudáveis clínica e cognitivamente, avaliaram o caráter alertante e a valência afetiva de 71 imagens do International Affective Picture System, aleatoriamente escolhidas. RESULTADOS: O grau de alerta reportado por idosos diante de um estímulo emocional é tanto maior quanto menor o prazer provocado por essa imagem-estímulo, resultando na existência de uma forte correlação negativa (r = 0,93) entre o grau de alerta e o estímulo desprazeroso. Em uma comparação do acima obtido com outro experimento normativo semelhante feito com jovens brasileiros e americanos, apontou-se para uma possível diferença cultural na forma de relatar subjetivamente um estímulo emocional. CONCLUSÕES: Os resultados obtidos com esta amostra estudada sugerem que pode existir uma diferença nos relatos afetivos entre os jovens e idosos, onde uma normatização do International Affective Picture System para uma amostra maior, representativa da população de idosos, seria útil para responder esta questão.
INTRODUCTION: The scientific literature points to a possible bias in the form perception and emotional memory are constructed when elderly and young individuals are compared. However, this possibility is underexplored. This paper presents the results obtained from a pilot study based on an elderly emotional subjective report after evaluation using the International Affective Picture System images and Self Assessment Manikin scale scores. METHOD: Forty-eight clinically and cognitively capable elderly volunteer subjects from the Third Age Open University evaluated 71 randomly chosen images of the International Affective Picture System in terms of arousal and affective valence. RESULTS: For the elderly, the greater the arousal, the smaller the pleasure resulting in a strong negative correlation (r = 0.93) observed between arousal and negative valence. A comparison with another similar normative experiment performed in young Brazilian and American individuals showed a possible cultural difference in subjective reports of emotional stimuli. CONCLUSIONS: This investigation indicates that there may be a difference between elderly and young individuals when affective reports of arousal are studied. A normalization of the International Affective Picture System for the elderly in a larger sample, representative of the population, might be useful to address this issue.