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语音感知策略瞬间发生变化
Ashley Symons1, Kyle Jasmin1, Adam Tierney2
1Department of Psychology, Royal Holloway, University of London, United Kingdom.
Cognition
|August 31, 2025
概括
听众迅速调整语音感知策略以适应不断变化的声学线索, 在处理声音时表现出短期的灵活性和长期的稳定性. 这些高效的转换甚至发生在最小的证据和抵抗分心.
科学领域:
- 心理语言学
- 听觉感知
- 认知科学
背景情况:
- 语音感知依赖于对声学信息的优先考虑.
- 听众在语言学习过程中根据统计学学习来开发稳定的感知策略.
- 这些策略可以适应声学线索的可靠性变化.
研究的目的:
- 研究语音感知策略的效率和特征.
- 为了确定听众如何快速和坚持地调整他们的提示权重.
- 检查听力干扰对这些战略转变的影响.
主要方法:
- 参与者听到不同音响可靠性的语音刺激.
- 在单次试验中,对听众策略的调整进行了测量.
- 评估了信息掩盖 (分散注意力) 对战略转变的影响.
主要成果:
- 听众在遇到一个偏差的刺激后, 对感知策略进行了快速的小调整.
- 这些策略转变是暂时的,只持续了一次试验,然后恢复到基线.
- 在安静和信息掩盖中发生了类似的线索权重调整.
结论:
- 语音感知策略表现出短期的试验性波动和长期的稳定性.
- 听众在响应听觉证据时表现出高效和适应性的策略调整.
- 这些适应机制很强大, 听力干扰不会显著地影响它们.
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