一个声学和词汇机器学习管道来识别连接的沉默
Jeremy E Matt1, Donna M Rizzo2, Ali Javed3
1Graduate Program in Complex Systems and Data Science, College of Engineering and Mathematical Sciences, University of Vermont, Burlington, Vermont, USA.
Journal of palliative medicine
|July 13, 2023
概括
自动机器学习准确地识别了患者对话中的"连接性沉默",改善了医疗保健通信分析和质量. 这种方法通过分析语音模式来增强对患者结果的理解.
科学领域:
- 医疗保健 沟通 科学 科学
- 提高质量 提高质量
- 计算语言学 计算语言学
背景情况:
- 可扩展的对话分析对于推进医疗保健沟通科学至关重要.
- 识别像"连接静默"这样的对话特征对于改善患者结果至关重要.
- 分析临床对话的现有方法往往是手动的,耗时的.
研究的目的:
- 评估在临床对话中自动检测"连接静默"的可行性.
- 开发和验证机器学习管道,以识别这种特定的对话特征.
- 评估自动化方法在识别"连接静音"及其子类型方面的性能.
主要方法:
- 使用了来自息治疗传播研究倡议队列研究的音频录音.
- 开发了一个三阶段的机器学习管道:随机森林,卷积神经网络和自然语言处理.
- 采用音频分析和自动语音到文本转录来识别特征.
主要成果:
- 机器学习管道在识别"连接静默"方面实现了84%的灵敏度和92%的特异性.
- 特定的亚型",情绪"和"邀请"连接性沉默,分别被检测到68%和67%的灵敏度,和95%和97%的特异性.
- 证明了协调机器学习工具在自动化临床对话分析方面的有效性.
结论:
- 协调和互补的机器学习方法可以在现实世界的临床环境中完全自动识别"连接静默".
- 对"连接性沉默"的自动化分析对医疗保健沟通研究和质量改进具有重大潜力.
- 这种方法提供了一个可扩展的解决方案,用于分析患者与提供者互动的细微方面.
更多相关视频
08:32Examining Online Syntactic Processing of Spoken Complex Sentences in Chinese Using Dual-Modal Interference Tasks
Published on: September 5, 2019
5.7K
06:48Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
Published on: June 25, 2019
9.2K
相关概念视频
Components of Language
323
Language, whether spoken, signed, or written, consists of specific components: lexicon and grammar. The lexicon is the vocabulary of a language, comprising its words. Grammar is the set of rules used to convey meaning through the lexicon. For example, English grammar adds “-ed” to most verbs to indicate past tense. Words are formed by combining phonemes, which are the basic sound units of a language. Different languages have different sets of phonemes (e.g., “ah” vs.
323
Language Development
401
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
401
Language and Cognition
376
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
376
Elaborative Rehearsals
108
Elaborative rehearsal is a crucial cognitive strategy that strengthens information encoding in long-term memory by making meaningful connections between new data and pre-existing knowledge. This approach contrasts with maintenance rehearsal, which involves simple repetition without delving into the significance of the information. While maintenance rehearsal might temporarily keep information active in short-term memory, it is less effective for long-term retention.
The effectiveness of...
The effectiveness of...
108
Sound Waves: Resonance
2.6K
Resonance is produced depending on the boundary conditions imposed on a wave. Resonance can be produced in a string under tension with symmetrical boundary conditions (i.e., has a node at each end). A node is defined as a fixed point where the string does not move. The symmetrical boundary conditions result in some frequencies resonating and producing standing waves, while other frequencies interfere destructively. Sound waves can resonate in a hollow tube, and the frequencies of the sound...
2.6K
Perceiving Loudness, Pitch, and Location
241
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
241
