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関連する概念動画

Piaget's Stage 1 of Cognitive Development01:14

Piaget's Stage 1 of Cognitive Development

1.6K
The sensorimotor stage, the initial phase of Jean Piaget's theory of cognitive development, spans the first two years of a child's life. During this period, infants actively engage with their surroundings, building cognitive awareness through direct interaction with the world. This interaction is primarily based on sensory perception and motor actions, allowing infants to gradually understand basic physical properties and predict how objects interact within their environment.
Exploration...
1.6K
Attachment01:20

Attachment

500
Attachment is vital for infant development, as warm social interactions support growth and well-being. In a classic 1958 study by Harry Harlow, the significance of warmth and comfort in forming attachments was examined. Harlow separated newborn monkeys from their mothers and provided two artificial "mothers": one made of cold wire and the other covered in soft cloth. Despite the wire mother offering food, the infant monkeys preferred the comfort of the cloth mother, demonstrating that...
500
Socioemotional Development during Infancy01:30

Socioemotional Development during Infancy

433
Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
Primary Temperament Types
433
Parental Care00:55

Parental Care

12.7K
Many animals exhibit parental care behavior, including feeding, grooming, and protecting young offspring. Parental care is universal in mammals and birds, which often have young that are born relatively helpless. Several species of insects and fish, as well as some amphibians, also care for their young.
12.7K
Parenting Styles01:27

Parenting Styles

591
Diana Baumrind's four parenting styles — authoritarian, authoritative, neglectful, and permissive — each influence children's socio-emotional development differently.
Authoritarian Parenting
This style is strict and controlling, with little room for open dialogue. Authoritarian parents demand obedience and often enforce rules with minimal warmth. Children raised this way may lack social skills and initiative, usually comparing themselves to others unfavorably.
Authoritative...
591
Theory of Romantic Attachment in Adulthood03:34

Theory of Romantic Attachment in Adulthood

48.6K
Attachment is a long-standing connection or bond with others. While Attachment Theory was conceived in developmental psychology to describe infant-caregiver bonding, it's been extended into adulthood to include romantic relationships. 
48.6K

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関連する実験動画

Updated: Jan 17, 2026

Author Spotlight: Marmoset Research - Scope and Challenges
04:52

Author Spotlight: Marmoset Research - Scope and Challenges

Published on: June 9, 2023

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大きな赤ちゃんじゃない

Andrew A Farke1

  • 1Raymond M. Alf Museum of Paleontology, The Webb Schools, Claremont, CA, USA.

Science (New York, N.Y.)
|January 15, 2026
PubMed
まとめ

ナノティラノスの化石をめぐる議論は 新しい研究によって解決されました 恐竜の進化における その位置づけを 明確にする科学的なアプローチが多々あります

科学分野:

  • 古生物学
  • 脊椎動物学
  • 進化生物学

背景:

  • ナノティランヌス・ランセンシスの分類的地位は古生物学における長年の論争である.
  • 過去の研究では 異なる種やティラノサウルス・レックスの幼生形態としての妥当性について 矛盾する解釈がなされた.

研究 の 目的:

  • ナノティランヌス・ランセンシスの化石をめぐる 分類論の解決に
  • ナノティラノスの妥当性と遺伝的位置に関する科学的コンセンサスを確立する.

主な方法:

  • 比較骨科,組織学分析,遺伝学的な分類を組み合わせた多角的なアプローチを用いた.
  • 骨の微細構造と頭蓋骨の形状の詳細分析を含む,ナノティランヌスに起因する重要な化石標本を調べた.

主要な成果:

  • 複数の調査から得られた証拠は,ナノティラノスが別々の属と種であることを支持している.
  • ヒストロジカルデータによると 成人型の成長パターンは ティラノサウルス・レックスと一致しない
  • 形態学的比較により,他のティラノサウリドと区別するユニークな特徴が明らかになった.

結論:

  • 化石の種であるナノティラヌス・ランセンシスは別々の分類体として確認されている.

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Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
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A Common Marmoset Model of Mother-Infant Intervention for Breastfeeding Disorders in the Presence of Paternal Inhibition and Maternal Neglect
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A Common Marmoset Model of Mother-Infant Intervention for Breastfeeding Disorders in the Presence of Paternal Inhibition and Maternal Neglect

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関連する実験動画

Last Updated: Jan 17, 2026

Author Spotlight: Marmoset Research - Scope and Challenges
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Author Spotlight: Marmoset Research - Scope and Challenges

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Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
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Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

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A Common Marmoset Model of Mother-Infant Intervention for Breastfeeding Disorders in the Presence of Paternal Inhibition and Maternal Neglect
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A Common Marmoset Model of Mother-Infant Intervention for Breastfeeding Disorders in the Presence of Paternal Inhibition and Maternal Neglect

Published on: September 22, 2023

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  • この解明は ティラノサウルスの多様性と進化史を明らかにします