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Persuasion Strategies01:52

Persuasion Strategies

40.2K
Researchers have tested many persuasion strategies, including the foot-in-the door and the door-in-the-face techniques, in a variety of contexts. Ultimately, the principles are effective in selling products and changing people’s attitude, ideas, and behaviors (Cialdini & Goldstein, 2004).
40.2K
Language01:16

Language

449
Language is a unique communication system that uses words and systematic rules to organize and transmit information. Unlike other forms of communication, which may involve postures, movements, odors, or vocalizations, language relies on symbols and grammar. This makes human communication distinct from that of other species, who also communicate but do not use language in the same way humans do.
Corballis and Suddendorf (2007) and Tomasello and Rakoczy (2003) highlight the role of language in...
449
Genetic Lingo01:11

Genetic Lingo

105.7K
Overview
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Language and Cognition01:27

Language and Cognition

480
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.
480
Language Development01:22

Language Development

494
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...
494
Types of Selection01:46

Types of Selection

42.1K
Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural selection can be directional, stabilizing, or disruptive. Directional selection favors one extreme trait and shifts the population towards that phenotype while selecting against individuals displaying alternate traits. Stabilizing selection favors an intermediate trait with a narrow range of variation. Deviation from the optimal phenotype towards an...
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Updated: Sep 28, 2025

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
06:48

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

Published on: June 25, 2019

9.3K

細胞 は 賢く 言葉 を 選ぶ

Amy H Buck1

  • 1Institute of Immunology & Infection Research, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3FL, UK.

Cell
|April 1, 2022
PubMed
まとめ

細胞の通信は細胞外小胞を通してRNAの転送に依存している. 特定のマイクロRNA配列は,細胞間でパッケージされ送信されるマイクロRNAの量を決定し,細胞間RNAシグナル伝達に影響を与えます.

科学分野:

  • 分子生物学
  • 細胞生物学
  • 生物化学

背景:

  • 細胞はRNAを含む分子を移送するために細胞外小胞 (EVs) を使用して通信します.
  • マイクロRNA (miRNA) は遺伝子発現の重要なレギュレータであり,細胞間コミュニケーションにおいて役割を果たします.
  • EV内の特定のmiRNAの選択的包装と放出を制御するメカニズムは完全に理解されていません.

研究 の 目的:

  • 細胞外小胞に包装されるマイクロRNA内の特定の配列の役割を調査する.
  • これらの配列がマイクロRNAの細胞間移転にどのように影響するかを決定する.
  • 選択的なmiRNAをEVに分類する分子メカニズムを解明する.

主な方法:

  • miRNA配列を分析するために分子生物学技術を活用した.
  • 細胞培養システムと細胞外小胞の分離方法を使用した.
  • 分子解析を用いた細胞内および分離されたEVにおけるmiRNA値の定量化.

主要な成果:

  • マイクロRNA分子内の異なった配列が,細胞外ベジクルにおけるその多さに直接影響することを実証した.
  • これらの配列に依存した効果は,細胞間の特定のマイクロRNAの量を調節することを示した.

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The Emotional Stroop Task: Assessing Cognitive Performance under Exposure to Emotional Content
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The Emotional Stroop Task: Assessing Cognitive Performance under Exposure to Emotional Content

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

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関連する実験動画

Last Updated: Sep 28, 2025

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
06:48

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

Published on: June 25, 2019

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The Emotional Stroop Task: Assessing Cognitive Performance under Exposure to Emotional Content
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The Emotional Stroop Task: Assessing Cognitive Performance under Exposure to Emotional Content

Published on: June 29, 2016

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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

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  • EVへのmiRNAのロードを制御する配列ベースのソートメカニズムの証拠を提供した.

    • 結論:

    • マイクロRNA内の特定の配列は,細胞外小胞に包装されるための重要な決定因子です.
    • この配列ベースのメカニズムは,細胞間RNA通信のための新しい規制層を提供します.
    • これらのメカニズムを理解することは 細胞が細胞外RNA信号を どう解釈するかを 解読するのに不可欠です