Altering the rhythm of target and background talkers differentially affects speech understanding.
Altering the rhythm of target and background talkers differentially affects speech understanding.
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DOI：
10.3758/s13414-020-02064-5
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发表时间：
2020-08
期刊：
影响因子：
--
通讯作者：
Kidd GR
中科院分区：
文献类型：
--
作者：
McAuley JD;Shen Y;Dec S;Kidd GR
三个实验研究了听众使用言语节奏选择性地关注多人喋喋不休（实验1和2）和语音形状噪音（实验3）中出现的单个目标说话者的能力。受试者听“准备好[呼号]现在去[颜色] [数字]”形式的口语句子，并报告目标说话者所说的颜色和数字（由呼号“男爵”提示）。实验1改变了自然节奏的目标谈话者和背景谈话者的两个谈话者和六个谈话者的背景。实验2认为参数的节奏变化在更广泛的范围内，改变节奏的目标或背景说话。实验1和2表明，改变目标说话者的节奏，同时保持背景的节奏不变，降低了听者报告目标说话者所说的颜色和数字的能力。相反，改变背景说话者的节奏，同时保持目标节奏不变，提高了听众报告目标说话者所说的颜色和数字的能力。实验3，其中嵌入的目标说话者在语音成形的噪声，而不是多说话者咿呀学语，同样减少了识别的目标句子增加改变的目标节奏。这种结果模式有利于选择性夹带假设，而不是基于差异的分离假设和显着性增加假设。
Three experiments investigated listeners’ ability to use speech rhythm to attend selectively to a single target talker presented in multi-talker babble (Experiments 1 and 2) and in speech-shaped noise (Experiment 3). Participants listened to spoken sentences of the form ‘Ready [Call sign] go to [Color] [Number] now’ and reported the Color and Number spoken by a target talker (cued by the Call sign ‘Baron’). Experiment 1 altered the natural rhythm of the target talker and background talkers for two-talker and six-talker backgrounds. Experiment 2 considered parametric rhythm alterations over a wider range, altering the rhythm of either the target or the background talkers. Experiments 1 and 2 revealed that altering the rhythm of the target talker, while keeping the rhythm of the background intact, reduced listeners’ ability to report the Color and Number spoken by the target talker. Conversely, altering the rhythm of the background talkers, while keeping the target rhythm intact, improved listeners ability to report the Color and Number spoken by the target talker. Experiment 3, which embedded the target talker in speech-shaped noise rather than multi-talker babble, similarly reduced recognition of the target sentence with increased alteration of the target rhythm. This pattern of results favors a selective-entrainment hypothesis over a disparity-based segregation hypothesis and an increased salience hypothesis.
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影响因子：
25
作者：
通讯作者：
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影响因子：
3.8
作者：
Ghitza O
通讯作者：
Ghitza O
影响因子：
2.4
作者：
Bolia, RS;Nelson, WT;Simpson, BD
通讯作者：
Simpson, BD
影响因子：
2.5
作者：
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通讯作者：
Srinivasan, Ramesh
影响因子：
2.4
作者：
CHERRY, EC
通讯作者：
CHERRY, EC