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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