Automated Analysis of Digitized Letter Fluency Data.
Automated Analysis of Digitized Letter Fluency Data.
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DOI：
10.3389/fpsyg.2021.654214
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发表时间：
2021
影响因子：
3.8
通讯作者：
Cousins KAQ
中科院分区：
文献类型：
--
作者：
Cho S;Nevler N;Parjane N;Cieri C;Liberman M;Grossman M;Cousins KAQ
字母引导的命名流畅性任务是对个体执行功能和工作记忆的测量。本研究采用了一种新颖的，自动化的，可量化的，和可重复的方法来研究如何在流畅性任务中产生的单词的语言特征与流畅性表现，词间反应时间（RT），并在任务持续时间使用数字化的F-字母引导的流畅性记录由76名年轻健康的参与者。我们的自动算法计算了F字母流畅性数据的成绩单中正确回答的数量，并对单个单词的具体性、模糊性、频率、熟悉度和习得年龄（AoA）进行了评级。使用强制对齐器，转录本自动与相应的音频记录对齐。我们测量了词间RT，词持续时间，和词开始时间从强制对齐。还计算了接合率。两个连续的F字母词之间的语音和语义距离进行了测量。我们发现，总F-字母得分显着相关的平均值的词频，熟悉，AoA，词的持续时间，语音相似性，和清晰度;总得分也与个人的标准差的AoA，熟悉，和语音相似性。反应时间与F字母词的频率和歧义性呈负相关，与AoA、音素数、语音和语义距离呈正相关。最后，频率，歧义，AoA，音素的数量，和词的语义距离产生显着变化，随着时间的推移，在任务期间。本文所采用的方法证明了我们的自动语言处理管道在标准化神经心理学任务中的成功实现。这种新颖的方法在测试过程中捕捉到微妙而丰富的语言特征，这些特征增强了信息量，并且如果不付出大量努力，就无法手动提取。这项工作将作为参考字母引导类流畅性生产类似收购神经退行性疾病患者。
The letter-guided naming fluency task is a measure of an individual’s executive function and working memory. This study employed a novel, automated, quantifiable, and reproducible method to investigate how language characteristics of words produced during a fluency task are related to fluency performance, inter-word response time (RT), and over task duration using digitized F-letter-guided fluency recordings produced by 76 young healthy participants. Our automated algorithm counted the number of correct responses from the transcripts of the F-letter fluency data, and individual words were rated for concreteness, ambiguity, frequency, familiarity, and age of acquisition (AoA). Using a forced aligner, the transcripts were automatically aligned with the corresponding audio recordings. We measured inter-word RT, word duration, and word start time from the forced alignments. Articulation rate was also computed. Phonetic and semantic distances between two consecutive F-letter words were measured. We found that total F-letter score was significantly correlated with the mean values of word frequency, familiarity, AoA, word duration, phonetic similarity, and articulation rate; total score was also correlated with an individual’s standard deviation of AoA, familiarity, and phonetic similarity. RT was negatively correlated with frequency and ambiguity of F-letter words and was positively correlated with AoA, number of phonemes, and phonetic and semantic distances. Lastly, the frequency, ambiguity, AoA, number of phonemes, and semantic distance of words produced significantly changed over time during the task. The method employed in this paper demonstrates the successful implementation of our automated language processing pipelines in a standardized neuropsychological task. This novel approach captures subtle and rich language characteristics during test performance that enhance informativeness and cannot be extracted manually without massive effort. This work will serve as the reference for letter-guided category fluency production similarly acquired in neurodegenerative patients.
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DOI：
10.1037/xlm0000770
发表时间：
2020-06-01
影响因子：
2.6
作者：
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通讯作者：
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影响因子：
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DOI：
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发表时间：
2021-02-01
影响因子：
2.6
作者：
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通讯作者：
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DOI：
10.1076/jcen.20.3.391.810
发表时间：
1998-06-01
影响因子：
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作者：
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通讯作者：
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影响因子：
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作者：
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