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関連する概念動画

Concepts and Prototypes01:24

Concepts and Prototypes

220
The human nervous system handles vast amounts of information by translating sensory stimuli into neural impulses, which the brain processes, creating thoughts expressed through language or stored as memories. The brain also synthesizes information from emotions and memories, which significantly influence thoughts and behaviors. This intricate process creates a comprehensive mental picture.
The brain organizes this information using concepts, which are mental categories grouping linguistic data,...
220
Organization of the Brain01:30

Organization of the Brain

1.1K
The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
1.1K
Storage01:23

Storage

131
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
131
Somatosensory, Motor, and Association Cortex01:24

Somatosensory, Motor, and Association Cortex

902
The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at...
902
Association Areas of the Cortex01:21

Association Areas of the Cortex

6.2K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
6.2K
Encoding01:19

Encoding

244
Information enters the brain through encoding, which is the input of information into the memory system. Once sensory information is received from the environment, the brain labels or codes it. The information is then organized with similar information and connected to existing concepts. Encoding occurs through automatic processing and effortful processing.
Automatic processing involves the encoding of details like time, space, frequency, and the meaning of words, usually done without conscious...
244

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関連する実験動画

Updated: Sep 9, 2025

Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
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脳のイベントとオブジェクトの概念のための共通の表現コード

Jia-Qing Tong1, Jeffrey R Binder1,2, Lisa L Conant1

  • 1Department of Neurology, Medical College of Wisconsin, Milwaukee, WI, USA.

bioRxiv : the preprint server for biology
|September 2, 2025
PubMed
まとめ
この要約は機械生成です。

オブジェクトとイベントの概念のニューラル表現は 異なるカテゴリーではなく 共通のコードを共有しています この発見は 概念的表現と脳とコンピュータの インタフェースの理解を進めるものです

キーワード:
カテゴリコンセプト表現実施形態イベントfMRI接地された認知オブジェクトセマンティクス

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Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
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Detecting Pre-Stimulus Source-Level Effects on Object Perception with Magnetoencephalography
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Detecting Pre-Stimulus Source-Level Effects on Object Perception with Magnetoencephalography

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関連する実験動画

Last Updated: Sep 9, 2025

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13:12

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科学分野:

  • 認知神経科学
  • 神経イメージング
  • 計算神経科学

背景:

  • 人間は物体や出来事を通して世界を概念化します
  • オブジェクトとイベントの概念表現のニューラルベースは不明です.
  • 分類的な区別と共有された表現のコードを調査する.

研究 の 目的:

  • オブジェクトとイベントの概念のニューラル表現が分別的に異なるかどうかを判断する.
  • 共有された表現コードの性質を調査する.
  • 脳とコンピュータのインタフェース技術への影響を探る

主な方法:

  • 機能的磁気共鳴画像 (fMRI) データ分析
  • ニューラル応答のマルチボキセルパターン分析 (MVPA)
  • 経験的な評価を用いた特徴ベースの解読モデル.

主要な成果:

  • オブジェクトとイベントのコンセプトは,アソシエーションの皮質全体に重なり合うパターンで表現されます.
  • 両方の概念型の解読に有効な共有表現コードが特定されました.
  • 共有コードとカテゴリー別アクティベーションの違いの両方をモデル化した.

結論:

  • オブジェクトとイベントの表現の間の神経解剖学的違いは,基本的な経験の特徴の定量的な変化から生じる.
  • オブジェクトとイベントの概念的処理の基礎となっている.
  • このコードの特徴づけは 概念的なコンテンツを 解読する脳コンピュータインターフェースの開発に不可欠です