We examined sex-related differences in the ability to recognize emotional prosody in late childhood (9-12 year olds) and adolescence (13-15 year olds) in relation to salivary testosterone levels. In order to examine both the accuracy and the sensitivity in labeling emotional prosody expressions, five intensities (20, 40, 60, 80, and 100%) for each of three emotion categories were used as stimuli. Totals of 25 male and 22 female children and 28 male and 28 female adolescents were tested on their recognition of happy, angry and sad prosody at the different intensities. The results showed that adolescent females were more sensitive to happy and sad prosody than males but not to angry prosody, whereas there were no sex-related differences in emotional prosody in late childhood for any of the emotional categories. Furthermore, salivary testosterone levels were higher in males than females in adolescence, but not in late childhood, suggesting that the sex differences for emotional prosody recognition emerges in adolescence during which testosterone levels become higher in males than females.
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