对神经成像方法在个体语言映射中的系统回顾

IF 1.2 3区 心理学 Q2 LINGUISTICS
Aahana Bajracharya , Jonathan E. Peelle
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引用次数: 0

摘要

尽管研究人员经常依靠群体水平的功能磁共振成像结果得出关于语言神经生物学的结论,但这样做而不考虑个体大脑的复杂性可能会降低我们发现的有效性。此外,了解个体的大脑组织对于基础科学和临床翻译都至关重要。为了评估功能性神经影像学文献中单受试者语言定位的状态,我们对截至2020年4月发表的研究进行了系统回顾。在我们检索的977篇论文中,121篇符合报告单受试者功能磁共振成像结果的纳入标准(报告基于任务的单受试者统计的成人语言的功能磁共振成像研究)。其中,20篇论文报告使用单受试者测试-重测分析来评估可靠性。因此,我们发现相对较少的报告单受试者结果的论文量化了单受试者的可靠性。这些研究在获取参数、任务设计和可靠性测量方面存在很大差异,这给跨研究比较带来了重大挑战。未来优化个人语言网络本地化的努力将受益于不同任务和习得参数的标准化和更广泛的可靠性指标报告。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A systematic review of neuroimaging approaches to mapping language in individuals

Although researchers often rely on group-level fMRI results to draw conclusions about the neurobiology of language, doing so without accounting for the complexities of individual brains may reduce the validity of our findings. Furthermore, understanding brain organization in individuals is critically important for both basic science and clinical translation. To assess the state of single-subject language localization in the functional neuroimaging literature, we carried out a systematic review of studies published through April 2020. Out of 977 papers identified through our search, 121 met our inclusion criteria for reporting single-subject fMRI results (fMRI studies of language in adults that report task-based single-subject statistics). Of these, 20 papers reported using a single-subject test-retest analysis to assess reliability. Thus, we found that a relatively modest number of papers reporting single-subject results quantified single-subject reliability. These varied substantially in acquisition parameters, task design, and reliability measures, creating significant challenges for making comparisons across studies. Future endeavors to optimize the localization of language networks in individuals will benefit from the standardization and broader reporting of reliability metrics for different tasks and acquisition parameters.

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来源期刊
Journal of Neurolinguistics
Journal of Neurolinguistics 医学-神经科学
CiteScore
3.90
自引率
5.00%
发文量
49
审稿时长
17.2 weeks
期刊介绍: The Journal of Neurolinguistics is an international forum for the integration of the neurosciences and language sciences. JNL provides for rapid publication of novel, peer-reviewed research into the interaction between language, communication and brain processes. The focus is on rigorous studies of an empirical or theoretical nature and which make an original contribution to our knowledge about the involvement of the nervous system in communication and its breakdowns. Contributions from neurology, communication disorders, linguistics, neuropsychology and cognitive science in general are welcome. Published articles will typically address issues relating some aspect of language or speech function to its neurological substrates with clear theoretical import. Interdisciplinary work on any aspect of the biological foundations of language and its disorders resulting from brain damage is encouraged. Studies of normal subjects, with clear reference to brain functions, are appropriate. Group-studies on well defined samples and case studies with well documented lesion or nervous system dysfunction are acceptable. The journal is open to empirical reports and review articles. Special issues on aspects of the relation between language and the structure and function of the nervous system are also welcome.
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