Putting the tritone paradox into context: insights from neural population decoding and human psychophysics.
Putting the tritone paradox into context: insights from neural population decoding and human psychophysics.
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将三全音悖论置于背景中:来自神经群体解码和人类心理物理学的见解。
DOI:
10.1007/978-1-4614-1590-9_18
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发表时间:
2013
影响因子:
--
通讯作者:
Shamma,ShihabA
中科院分区:
文献类型:
--
作者:
Englitz,Bernhard;Akram,S;David,SV;Chambers,C;Pressnitzer,Daniel;Depireux,D;Fritz,JB;Shamma,ShihabA
The context in which a stimulus occurs can influence its perception. We study contextual effects in audition using the tritone paradox, where a pair of complex (Shepard) tones separated by half an octave can be perceived as ascending or descending. While ambiguous in isolation, they are heard with a clear upward or downward change in pitch, when preceded by spectrally matched biasing sequences. We presented these biased Shepard pairs to awake ferrets and obtained neuronal responses from primary auditory cortex. Using dimensionality reduction from the neural population response, we decode the perceived pitch for each tone. The bias sequence is found to reliably shift the perceived pitch of the tones away from its central frequency. Using human psychophysics, we provide evidence that this shift in pitch is present in active human perception as well. These results are incompatible with the standard absolute distance decoder for Shepard tones, which would have predicted the bias to attract the tones. We propose a relative decoder that takes the stimulus history into account and is consistent with the present and other data sets.
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DOI:
10.2307/40285758
发表时间:
1994
期刊:
Music Perception: An Interdisciplinary Journal
影响因子:
--
作者:
D. Deutsch
通讯作者:
D. Deutsch
影响因子:
2.3
作者:
D. Deutsch
通讯作者:
D. Deutsch
影响因子:
2.9
作者:
Series, Peggy;Stocker, Alan A.;Simoncelli, Eero P.
通讯作者:
Simoncelli, Eero P.
影响因子:
1.8
作者:
Poppe S;Benner P;Elze T
通讯作者:
Elze T
DOI:
10.2307/40285386
发表时间:
1987
期刊:
Music Perception: An Interdisciplinary Journal
影响因子:
--
作者:
D. Deutsch;W. Kuyper;Y. Fisher
通讯作者:
Y. Fisher