记忆存储和关节间协调对语音运动序列学习概括的解效应
Matthew Masapollo1, Emily Zezas2, Allen Shamsi3
1Department of Speech, Language, and Hearing Sciences, University of Florida, 1225 Center Drive, Room 2150, Gainesville, FL, 32610, USA. mmasapollo@phhp.ufl.edu.
Journal of psycholinguistic research
|July 24, 2023
概括
语音生产中的运动学习将一般化为新的序列,但上下文很重要. 协调和记忆影响了训练好的语音运动技能如何转移到新的情况.
科学领域:
- 语音运动控制器的控制器
- 运动学习和概括.
- 声学处理 声学处理
背景情况:
- 语音中的运动序列学习表现出对新型序列的概括.
- 练习整个音节会比单独练习集群产生更大的学习收益.
- 一般化模式表明声学记忆和关节间协调的作用.
研究的目的:
- 调查语音记忆和关节间协调对语音运动学习中概括的独特贡献.
- 解开记忆存储和发音协调对运动技能转移的影响.
- 检查音节位置和序列复杂性如何影响概括.
主要方法:
- 两项实验涉及在两天内密集练习新的音节,非法发作/coda集群.
- 参与者练习制作目标音节,通过减少错误来评估学习.
- 概括测试了新的单音节和音节对,与练习的刺激有不同的重叠.
主要成果:
- 实践带来了显著的学习,经过练习的音节制作的错误减少证明了这一点.
- 性能改进一般化为包含练习集群的新词汇,但对集群位置 (开始与coda) 敏感.
- 一般化在音节对比单音节更受损,特别是在第二个音节,表明记忆负载增加.
结论:
- 语音运动控制中的关节间协调是特定于语境的,并且对集群位置敏感.
- 语音运动概括受语音记忆存储需求和发音协调之间的相互作用的影响.
- 这些发现突出了口语生产中运动技能的转移背后的复杂机制.
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