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Automatic Processing and Automatic Social Behavior01:28

Automatic Processing and Automatic Social Behavior

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Automatic processing refers to the cognitive operations that occur without conscious intent or awareness, playing a fundamental role in shaping social cognition and behavior. These processes enable individuals to navigate complex social environments efficiently by relying on mental shortcuts and pre-existing knowledge structures known as schemas. One of the most influential mechanisms underlying automatic processing is priming, which subtly activates mental representations through exposure to...
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Avoidance Learning and Learned Helplessness01:14

Avoidance Learning and Learned Helplessness

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Avoidance learning and learned helplessness are critical concepts in understanding behavioral responses to negative stimuli.
Avoidance learning occurs when an organism learns that a specific behavior can prevent an unpleasant outcome. For example, a student who receives a bad grade may start studying harder to avoid future poor grades. This behavior persists even when the negative outcome is no longer present. Avoidance learning is powerful because it maintains behavior in the absence of the...
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Associative Learning01:27

Associative Learning

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Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
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Purposive Learning01:22

Purposive Learning

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E. C. Tolman emphasized the purposiveness of behavior — the idea that much of our behavior is goal-directed. For instance, employees who aim for a promotion work diligently to meet their targets. Tolman argued that when classical conditioning and operant conditioning occur, the organism acquires certain expectations. In classical conditioning, a child might fear a dog because they expect it to bite. In operant conditioning, a person might consistently work overtime because they expect a...
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Observational Learning01:12

Observational Learning

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Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
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Learning Disabilities01:25

Learning Disabilities

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Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
Dyslexia
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柔軟な人間の歩行のための自動学習メカニズム

Cris Rossi1,2, Kristan Leech3,4, Ryan Roemmich2,5

  • 1Department of Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, United States.

eLife
|February 3, 2026
PubMed
まとめ

この研究は、歩行適応のための新しい運動学習メカニズムを明らかにします。自動的な刺激反応マッピングにより、トレッドミル歩行のような困難な地形での柔軟で自動的な歩行が可能になります。

キーワード:
順応モデルの再調整人間運動適応神経科学知覚の再調整知覚の再調整刺激反応マッピング歩行

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科学分野:

  • 運動制御と学習; 神経科学; 生体力学

背景:

  • 移動の柔軟性と自動性は、多様な環境をナビゲートするために不可欠です。
  • 従来の理論では、柔軟性には明示的な制御、自動性には順応モデルの再調整が提案されています。
  • 適応的な運動学習の背後にあるメカニズムを理解することは不可欠です。

研究 の 目的:

  • トレッドミル歩行適応の明確なメカニズムを明らかにすること。
  • 運動に柔軟性と自動性の両方を与えるメカニズムを調査すること。
  • 運動適応と知覚の再調整における相反する発見を調和させること。

主な方法:

  • トレッドミル歩行適応を調査しました。
  • 自動的な刺激反応マッピングメカニズムを特定しました。
  • このメカニズムがどのように柔軟性と自動性を付与するかを分析しました。

主要な成果:

  • 新しいメカニズムである自動的な刺激反応マッピングがトレッドミル歩行で特定されました。
  • このメカニズムは、歩行における迅速な柔軟性と自動性の両方を提供します。
  • 明示的な制御や認識を必要とせずに機能します。

結論:

  • 歩行適応は、順応モデルの再調整と自動的な刺激反応マッピングのタンデムアーキテクチャを含みます。
  • この発見は、運動適応研究における以前の、ばらばらの観察を調和させます。
  • 自動的な刺激反応マッピングは、柔軟で自動的な運動制御のための統一された説明を提供します。