Sex Differences in Processing Emotional Speech Prosody
Author Information
Author(s): Kao Chieh, Zhang Yang
Primary Institution: University of Minnesota
Hypothesis
How do listeners automatically process emotional prosody in speech, and are there sex differences in this processing?
Conclusion
The study found that women showed stronger neural responses to angry than sad prosody, while men showed stronger responses to angry than happy prosody.
Supporting Evidence
- Both mismatch negativity (MMN) and P3a components were observed, indicating automatic perceptual grouping and neural sensitivity to emotional variations in speech.
- Women showed stronger MMN to angry than sad prosody, while men showed stronger MMN to angry than happy prosody.
- Happy prosody elicited the strongest P3a, but only in men.
Takeaway
This study looked at how men and women hear emotions in voices. It found that women are better at noticing when a voice sounds angry compared to sad, while men are better at noticing when a voice sounds angry compared to happy.
Methodology
The study used a multi-feature oddball paradigm with EEG to measure neural responses to emotional prosody in speech.
Potential Biases
The study's findings may be influenced by the limited diversity in the participant demographics and the stimuli used.
Limitations
The sample size was small, and the emotional speech set only included female voices, which may limit the generalizability of the findings.
Participant Demographics
22 monolingual native speakers of American English, aged 18-28, consisting of 11 males and 11 females, all right-handed and Caucasian.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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