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Neuro-cognitive differences in pitch perception affect pitch adaptation| old_uid | 11437 |
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| title | Neuro-cognitive differences in pitch perception affect pitch adaptation |
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| start_date | 2012/05/25 |
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| schedule | 11h |
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| online | no |
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| location_info | A |
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| summary | Pitch adaptation plays an important role in human interaction in that
it functions as a cue to the approach-avoidance mechanism. However,
some speakers appear to be better equipped than others to extract
information about pitch from the speech signal. Due to neuroanatomical
differences, listeners show an individual auditory perception bias
either for the sound as a whole (fundamental listeners) or for its
harmonic constituents (spectral listeners). Previous studies showed a
relation between listener bias and musical instrument preference, as
well as language learning. These results indicate that the dominant
listening mode affects higher level processing in various cognitive
domains. In our study, we used a psychoacoustic perceptual test with
missing fundamental frequencies to determine speakers' listener bias
and subsequently collected their speech data in a classical shadowing
task with two conditions, one with a full speech signal and one with
high-pass filtered speech above 300 Hz. In both conditions, speakers
with fundamental listener bias adapted more to the F0 of the model
talker, but the effect was more pronounced in the high-pass filtered
condition. In a second experiment with the same participant group, we
tested if fundamental listener bias also results in a possible
advantage in emotion recognition. Using a sample of 8 emotions acted
by 8 speakers (male and female) from the Geneva corpus of emotional
speech, we found a small correlation between the ability to recognize
emotions and the listener bias. |
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| responsibles | Bel, Welby |
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