Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

6.1K
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
6.1K
Kendall's Coefficient of Concordance01:20

Kendall's Coefficient of Concordance

527
Kendall's Coefficient of Concordance (W), also known as Kendall's W, is a non-parametric statistical measure used to assess the agreement or concordance between multiple raters or judges when they rank a set of items. It is often used when you have ordinal data (ranks) and you want to see if there is consistency or consensus among the raters. It is widely applied in research areas such as psychology, medicine, and social sciences, where multiple judges are asked to rank or rate subjects...
527
Synteny and Evolution02:31

Synteny and Evolution

3.4K
John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
3.4K
Language and Cognition01:27

Language and Cognition

438
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.
438
Phylogeny01:23

Phylogeny

46.9K
Phylogeny is concerned with the evolutionary diversification of organisms or groups of organisms. A group of organisms with a name is called a taxon (singular). Taxa (plural) can span different levels of the evolutionary hierarchy. For instance, the group containing all birds is a taxon (comprising the class Aves), and the group of all species of daisies (the genus Bellis) is a taxon. Phylogenies can likewise include just one genus (i.e., depict species relationships) or span an entire kingdom.
46.9K
Convergent Evolution01:54

Convergent Evolution

28.9K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
28.9K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Animal acoustic communication has a conserved optimal rhythm within the neural delta range.

PLoS biology·2026
Same author

Errata to: "lmtp: An R Package for Estimating the Causal Effects of Modified Treatment Policies".

Observational studies·2026
Same author

Genomic evolution and natural history of myeloproliferative neoplasms on therapy.

Cancer discovery·2026
Same author

Targeting Toll-like Receptor 2: synthetic diacylated lipopeptides polarize equine macrophages towards a pro-inflammatory phenotype.

Frontiers in immunology·2026
Same author

The Effectiveness of Dialectical Behavior Therapy With Adolescents in a Psychiatric Residential Treatment Center.

American journal of psychotherapy·2026
Same author

Kava consumption and the rise of sociopolitical complexity in Oceania.

Proceedings of the National Academy of Sciences of the United States of America·2026

相关实验视频

Updated: Sep 9, 2025

Leveraging CyVerse Resources for De Novo Comparative Transcriptomics of Underserved Non-model Organisms
10:41

Leveraging CyVerse Resources for De Novo Comparative Transcriptomics of Underserved Non-model Organisms

Published on: May 9, 2017

9.3K

印度-欧洲亲属关系数据集

Cormac Anderson1,2, Matthew Scarborough3, Lechosław Jocz4

  • 1Department of Linguistic and Cultural Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103, Leipzig, Germany. cormacanderson@gmail.com.

Scientific data
|September 2, 2025
PubMed
概括

印度-欧洲相关关系 (IE-CoR) 数据集绘制了160种印度-欧洲语言之间的词汇关系. 这种基准资源有助于对语言演变和历史语言学的计算研究.

更多相关视频

Studying Metabolic Brain Connectivity Using 2-Deoxy-2-[18F]Fluoro-D-Glucose Dynamic Positron Emission Tomography at the Single-subject Level
07:28

Studying Metabolic Brain Connectivity Using 2-Deoxy-2-[18F]Fluoro-D-Glucose Dynamic Positron Emission Tomography at the Single-subject Level

Published on: January 24, 2025

467
Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition
12:49

Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition

Published on: July 13, 2019

17.2K

相关实验视频

Last Updated: Sep 9, 2025

Leveraging CyVerse Resources for De Novo Comparative Transcriptomics of Underserved Non-model Organisms
10:41

Leveraging CyVerse Resources for De Novo Comparative Transcriptomics of Underserved Non-model Organisms

Published on: May 9, 2017

9.3K
Studying Metabolic Brain Connectivity Using 2-Deoxy-2-[18F]Fluoro-D-Glucose Dynamic Positron Emission Tomography at the Single-subject Level
07:28

Studying Metabolic Brain Connectivity Using 2-Deoxy-2-[18F]Fluoro-D-Glucose Dynamic Positron Emission Tomography at the Single-subject Level

Published on: January 24, 2025

467
Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition
12:49

Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition

Published on: July 13, 2019

17.2K

科学领域:

  • 计算语言学
  • 历史语言学
  • 语言演变研究

背景情况:

  • 印欧语言家族是庞大的,具有复杂的历史关系.
  • 了解相关模式对于重建原语言和追踪语言演变至关重要.
  • 现有的数据集往往缺乏全面的覆盖范围或计算分析的标准化格式.

研究的目的:

  • 介绍印欧相关关系 (IE-CoR) 数据集,这是语言研究的新型资源.
  • 为印欧语言演变提供计算研究的基准数据集.
  • 促进对印欧语言的词汇继承和水平转移的研究.

主要方法:

  • 一个涉及160种印欧语言的关系数据集的编制.
  • 根据170个参考含义,分析了4,981个相关集合中的25731个词汇条目.
  • 包括水平传输,时间校准和地理/社会元数据的数据.
  • 遵守跨语言数据格式 (CLDF) 协议以实现互操作性.

主要成果:

  • 该数据集包含160种语言的25731个词汇条目,分为4981个相关数据集.
  • 它代表了所有13个主要的印欧基层,并包括横向词汇转移的数据.
  • 数据集包括时间校准,地理和社会元数据以进行增强分析.

结论:

  • 对于计算历史语言学而言,IE-CoR数据集提供了一个全面的标准化资源.
  • 它是印欧语言演变研究的重要基准.
  • 数据集的设计促进了互操作性,并可作为其他语言家族的模型.