Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Nonconscious Mimicry01:13

Nonconscious Mimicry

3.6K
Nonconscious mimicry occurs when individuals alter their mannerisms to match the behaviors and expressions of those nearby, without intention.
3.6K
Muscles for Facial Expressions01:14

Muscles for Facial Expressions

5.7K
The craniofacial muscles are a collection of approximately 20 thin skeletal muscles situated beneath the skin of the face and scalp. These muscles, primarily responsible for the vast array of human facial expressions, originate from the bones or fibrous structures of the skull and extend outwards to connect with the skin. While most skeletal muscles in the body are enveloped in thick fascia, facial muscles generally have a more delicate fascial covering, with the buccinator muscle being a...
5.7K
Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

6.0K
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
6.0K
Larynx01:21

Larynx

6.5K
The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids,...
6.5K
Neural Control of Respiration01:18

Neural Control of Respiration

5.6K
The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
5.6K
Facial Feedback Hypothesis01:24

Facial Feedback Hypothesis

956
Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...
956

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Improved autobiographical memory with central thalamic deep brain stimulation in traumatic brain injury.

Brain communications·2026
Same author

QuNex recipes: Executable, human-readable workflows for reproducible neuroimaging research.

Imaging neuroscience (Cambridge, Mass.)·2026
Same author

A mosaic of whole-body representations on the human precentral gyrus.

Nature·2026
Same author

Long-term independent use of an intracortical brain-computer interface for speech and cursor control.

Nature medicine·2026
Same author

Neural decoding of speech using deep neural ensembles.

bioRxiv : the preprint server for biology·2026
Same author

Premotor cortex uses a compositional neural geometry to plan words.

bioRxiv : the preprint server for biology·2026
Same journal

Retraction Note: NSD2 targeting reverses plasticity and drug resistance in prostate cancer.

Nature·2026
Same journal

Enhanced B cell priming induces broadly neutralizing HIV-1 apex antibodies.

Nature·2026
Same journal

Vaccination elicits HIV broadly neutralizing antibodies in primates.

Nature·2026
Same journal

Child online safety needs more than social-media bans.

Nature·2026
Same journal

Ebola preparedness must start with ecosystems and before humans show symptoms.

Nature·2026
Same journal

AI tools can speed up thinking, but evidence still comes from the lab bench.

Nature·2026
関連記事をすべて見る

関連する実験動画

Updated: May 7, 2026

A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis ALS
12:43

A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis ALS

Published on: February 21, 2011

34.8K

高性能なスピーチ神経義肢

Francis R Willett1, Erin M Kunz2,3, Chaofei Fan4

  • 1Howard Hughes Medical Institute at Stanford University, Stanford, CA, USA. willett2@gmail.com.

Nature
|August 23, 2023
PubMed
まとめ
この要約は機械生成です。

この研究は,ニューラル信号から発声の試みを解読する新しい言語脳コンピュータインターフェース (BCI) を導入します. この高度なBCIは 麻痺した人のコミュニケーション回復の 精度と速度を大幅に改善します

さらに関連する動画

Study Design for Navigated Repetitive Transcranial Magnetic Stimulation for Speech Cortical Mapping
09:16

Study Design for Navigated Repetitive Transcranial Magnetic Stimulation for Speech Cortical Mapping

Published on: March 24, 2023

1.5K
Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

420

関連する実験動画

Last Updated: May 7, 2026

A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis ALS
12:43

A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis ALS

Published on: February 21, 2011

34.8K
Study Design for Navigated Repetitive Transcranial Magnetic Stimulation for Speech Cortical Mapping
09:16

Study Design for Navigated Repetitive Transcranial Magnetic Stimulation for Speech Cortical Mapping

Published on: March 24, 2023

1.5K
Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

420

科学分野:

  • 神経科学
  • 生物医学工学
  • リハビリテーション技術

背景:

  • 脳とコンピュータのインターフェース (BCI) は重度の麻痺を患っている人にとって 潜在的コミュニケーションの経路を提供する.
  • 既存の音声BCIは精度や語彙の量に制限があり,効果的なコミュニケーションを妨げています.
  • アミオトロフィック・ラテラル・スクレロシス (ALS) は 言語の発達を阻害し,高度な支援技術が必要になります.

研究 の 目的:

  • 皮質内マイクロエレクトロッドの記録を用いた高性能の音声からテキストへのBCIの開発と評価.
  • ALS患者による発話の解読における BCIの正確性と速度を評価する.
  • 言語BCIの発達に関連したニューラルコーディングの原理を調査する.

主な方法:

  • 言語を試す際に神経活動が急増したのを記録するために 皮質内マイクロ電極配列を使用した.
  • 神経信号をテキストに変換する 解読アルゴリズムを開発した
  • 単語の誤差率を用いて評価されたパフォーマンスは,異なる語彙のサイズと測定された解読速度です.

主要な成果:

  • 50語の語彙で9.1%の誤差率を達成しました これは以前の最先端技術よりも2.7倍改善です
  • 最初の大きな語彙 (12万5千語) のデコードが成功し,23%の文字誤差率を示した.
  • 解読速度は"分あたり62語 前の記録の3.4倍です

結論:

  • 高解像度ニューラル録音はBCIを通じて正確かつ迅速な音声解読を可能にします.
  • 言語のニューラルコードには 長い麻痺の後でさえも 強力な解読機能を備えています
  • このBCI技術は 話すことができない人のコミュニケーションを 回復させるのに有効なアプローチです