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

Vision01:24

Vision

55.3K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
55.3K
Visual Agnosia01:12

Visual Agnosia

299
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
299
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
Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

4.6K
The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....
4.6K
Visual System01:26

Visual System

685
Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
685
Prosopagnosia01:24

Prosopagnosia

252
Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
252

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

The temporal stability of visual cortical processing in humans depends on early experience.

Journal of neurophysiology·2026
Same author

Emergence of Neural Face Selectivity in Infants Younger Than 4 Months Old.

Infancy : the official journal of the International Society on Infant Studies·2026
Same author

Delayed language access hampers but does not hinder visual statistical learning in deaf and hard of hearing children.

Journal of experimental child psychology·2025
Same author

Sensitivity to Geometric Shape Regularity Emerges Independently of Vision.

Open mind : discoveries in cognitive science·2025
Same author

How visual is the "groupitizing"? The impact of visual deprivation over its emergence.

Cognitive neuropsychology·2025
Same author

Breakfast consumption does not rapidly increase liver or muscle glycogen content in well-trained cyclists.

American journal of physiology. Endocrinology and metabolism·2025

関連する実験動画

Updated: Sep 10, 2025

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

559

視覚と聴覚のオブジェクト表現は,人間の視力を回復した後,腹側視野皮質で

Katarzyna Rączy1, Madita Linke1, Job van den Hurk2,3

  • 1Biological Psychology and Neuropsychology, University of Hamburg, Hamburg, Germany.

Human brain mapping
|August 25, 2025
PubMed
まとめ

生まれつきの失明は 視力を回復した後の顔の処理に 影響を及ぼします 視力を回復した個人は,視界の回復に影響を及ぼす可能性があることを示唆する,腹後頭側側頭葉皮質 (VOTC) の顔の選択性が低下した.

キーワード:
カテゴリ選択表現fMRI敏感な時期視力回復

さらに関連する動画

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

8.4K
Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping
07:11

Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping

Published on: December 8, 2023

1.9K

関連する実験動画

Last Updated: Sep 10, 2025

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

559
Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

8.4K
Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping
07:11

Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping

Published on: December 8, 2023

1.9K

科学分野:

  • 神経科学
  • 発達神経科学
  • 視覚的知覚

背景:

  • ベンタル・オキピタル・テンポラル・コーテックス (VOTC) は幼児期に視覚カテゴリー選択性を発達させる.
  • 生まれつき盲目の個人は,非視覚的刺激 (聴覚,触覚) に対するVOTCカテゴリー選択性を示しています.
  • 生まれつきの失明におけるVOTC視力の回復の影響は不明である.

研究 の 目的:

  • 生まれながらの失明の患者に視力を回復した後に,VOTCがカテゴリー選択的視力反応を示すかどうかを調査する.
  • 生まれつきの失明による 交差型のVOTC活性化が 視力の回復後の視覚処理に 干渉するという仮説を検証する.

主な方法:

  • 機能的磁気共鳴画像 (fMRI) 研究
  • 参加者:一時的な先天性失明 (白内障) を回復した成人と正常な視力を持つ対照群
  • タスク:視覚的 (物体,顔,シーン,体の一部) と聴覚的 (対応する音) の刺激を提示する.

主要な成果:

  • 視力を回復した個体では,対照群と比較して顔の選択性 (VOTC) が低下した.
  • 二重の解離が観察されました 視力を回復した個人は聴覚表現から視覚的なカテゴリーを解読し,対照群は聴覚表現から視覚的な表現を解読しました
  • 生まれつきの失明と視力の回復の後のカテゴリー表現の神経メカニズムの変化を示唆しています.

結論:

  • 先天性失明歴のある人の視力回復は,VOTCにおける顔の選択性の低下と関連しています.
  • 下層の視覚領域における中央視野表現の潜在的欠陥は,顔の選択性の低下に寄与する可能性があります.
  • 高次視覚領域におけるクロスモダルの活動は,視覚機能の回復を妨げるのではなく,むしろ促進するかもしれない.