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Effects of Psychoacoustic Training on the Pre-Attentive Processing of Harmonic Sounds and Syllables
Aline Frey1,2, Mylène Barbaroux1, Eva Dittinger1,3
1Laboratoire de Neurosciences Cognitives (LNC), CNRS, and Aix-Marseille University, Université Publique de France.
Purpose:
This article aimed at investigating the neural underpinnings of music-to-language transfer effects at the pre-attentive level of processing.
Method:
We conducted a longitudinal experiment with a test-training-retest procedure. Nonmusician adults were trained either on frequency (experimental group) or on intensity (control group) of harmonic tones using methods from psychophysics. Pre- and posttraining, we recorded brain electrical activity and we analyzed the mismatch negativity (MMN) and the P3a component both to harmonic complex sounds and to syllables varying in frequency.
Results:
Frequency training influenced the pre-attentive perception of pitch for large harmonic deviant sounds but not for syllables.
Conclusion:
Results are discussed in terms of near and far transfer effects from psychoacoustic training to pre-attentive pitch processing and as possibly showing some limits to transfer effects.
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