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子どもの『好き』が未来を広げる。親子で楽しめる絵本や子育てのヒント、未来を育むアイデアをお届けします。 | 出産祝い・誕生日のプレゼントに、家族みんなのパーソナライズ絵本|マイステラ
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What is an Imaginary Friend? "Imaginary friends" are important for children's mental growth

2026 7/11
自己肯定感を育てる
2026年7月11日
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お気に入りのぬいぐるみを抱きしめて眠る子ども

A special moment full of children's smiles. My child happily says, "I have made a friend!"

But if the other person Invisible "imaginary friends" If you know that, as a parent, you may feel a little strange.

In fact, these "imaginary friends" are also from the perspective of child developmental psychology Natural phenomenon It is an important existence that enriches the hearts of children. Imaginary friends enrich children's minds 。It relieves anxiety and loneliness, fosters creativity, and enhances communication skills It is said.

In this article, The effect of Imaginary Friends on children And, Why do children need an Imaginary Friend? How should we accept and nurture the imaginary world? Important imaginary friends that foster children's self-esteem and points for children and parents to get along well I will explain it in an easy-to-understand manner.

映画から学ぶイマジナリーフレンドの子育て実践法
『きみは大丈夫』を、こどもに渡せていますか——映画『ブルー きみは大丈夫』を観て考えたこと | 名前入り・… Through the movie "Blue — Kimi wa Oujisama", we consider the role of "imaginary friends" from an educational perspective. How should adults protect the rich inner world that children create to support themselves…
Table of Contents

Basic knowledge of Imaginary Friend

What is an Imaginary Friend? Definition and characteristics

Imaginary Friend is It is an invisible existence that children create in their minds, and psychological phenomena that naturally appear in the process of children's growth It is known as.

  • In some cases, you may borrow the appearance of a stuffed animal or doll, Animals and fictional creatures , and sometimes appears as a friend of a non-existent human.
  • Emotional support, sharing anxiety and joy "Companion" It plays a role like this.

Juntendo University Research According to , Imaginary Friends play a role in supporting children's adaptability and deepen their self-understanding.

Among them, the psychological effects of animals and stuffed animals have attracted particular attention. An important presence that can be emotional support for children and share joy and anxiety It comes to.

空色の壁を背景に置かれた、クマのぬいぐるみと絵本
Stuffed bear and book

When did it appear and how long does it last?

  • Many 2-7 years old It is common for it to disappear on its own by around the middle grade of elementary school.
  • Regardless of whether there are brothers or sisters, A certain number of children have imaginary friends It is said.
  • There are many individual differences and may last for a long time, but most of them fade out as they grow.

Imaginary friends are considered a very natural phenomenon that is often seen in the process of children's growth. It is especially common in kindergartens and nursery schools, from the middle to the older, when the imagination is more enriched, and can be regarded as one of the creative expressions and emotional expressions. This period is an important stage in the development of social skills as awareness of self and others begins to grow. is.

Why do children make imaginary friends?

There are various reasons why children create imaginary friends.

  • Adaptation to new environments
  • Elimination of loneliness
  • Emotional expression exercises
  • To cultivate self-understanding and self-affirmation

The existence of an imaginary friend is A place where you can safely express emotions and thoughts that are difficult to put into words in the real world provides. Among them, interaction through stuffed animals is close to the child's heart, An important role in supporting self-understanding and emotional expression I will play it.

Also, this is With or without brothers and sisters Research has shown that it is a phenomenon that can be seen. Even if they have siblings or only children, children create imaginary beings by seeking "their own special friends".

This unbelievable movie depicts a reunion with a "friend of imaginary space." From the perspective of Montessori education, this work is analyzed [ Review article of the movie "Blue — Kimi wa Oujisama" も、あわせてご覧ください。

In addition, characters that are easy for children to get used to, such as Doraemon and Totoro, Sense of security and emotional support It is said that it is easy to become an "imaginary friend". In fact, research in developmental psychology shows that imaginary friends Increased self-esteem and reduced anxiety It is also suggested that it is effective.

4 effects of Imaginary Friends on children

Imaginary friends are special beings that play an important role in the development of children's minds is. Psychological research shows that children with imaginary friends have a variety of positive effects.

Improved emotional control

Children become imaginary friends Confide in anxiety, anger, sadness, etc. This will make it easier to organize your emotions.

  • In research, children with imaginary friends Good at dealing with stress There are also reports such as.
  • The experience of putting your feelings into words and being accepted by the other person Emotional stability It will greatly contribute to

Research by the Japan Society of Educational Psychology According to the report, through intercourse with imaginary friends, children develop self-control skills and gain emotional stability. Another study reported that children with imaginary friends coped better with stress.

Development of creativity and imagination

Through adventures and conversations with their imaginary friends, children Ability to generate new ideas and problem-solving skills Cultivate

  • It may also serve as the basis for artistic sensibilities and imaginative thinking.
  • Some cognitive science experiments suggest that it also affects the ability to think in adulthood.

Rich interaction with imaginary friends greatly fosters children's creativity. Through various stories and adventures that unfold in a fantasy world, children develop their ability to generate new ideas and problem-solving skills 。

In terms of the possibility of serving as the foundation for artistic sensibilities and creative thinking, the 2022 Science Agora "Cognitive science× imagination = adult version of Imaginary Friend" was carried out. In this project, by using the pendulum thinking "blend mind" of the right brain (instinct) and left brain (logic), new questions and thinking habits were discovered. Suggests that it may contribute to the development of creativity It was done.

In addition, the Tokyo Design Plex Research Institute's " Future Design Lab ", Imaginary Friend Beings that enhance imagination from the perspective of cognitive science It is attracting attention as follows.

Through these studies and initiatives, Engaging with an Imaginary Friend is an important factor in developing flexibility in thinking and encouraging creative thinking It has been shown that it is possible.

Isn't my child the only one who has an imaginary friend?" Many parents are worried. However, in developmental psychology research, About 40% of children aged 3-7 have some form of imaginary friend It has been confirmed that

ぬいぐるみと感情を共有する子ども
A special relationship where you can share both joy and sorrow

Growth of communication skills

Conversations with imaginary friends can also lead to improved communication skills in actual interpersonal relationships. You will naturally acquire the ability to think from the other person's point of view and the ability to express your feelings appropriately 。

This effect has been confirmed in many childcare settings to have a positive impact on children's smiles as well as their interactions with friends in kindergarten and nursery school.

Cultivating self-esteem

Interacting with an imaginary friend who accepts you unconditionally is a good idea for your child. The feeling that you are important It will bring you Through relationships with beings who create a safe place in the child's mind and accept them unconditionally, a sense of self-esteem is naturally nurtured.

無条件に受け入れてくれる存在との関わりは、自己肯定感の土台になります。自己肯定感そのものをもっと深めたい方は、「自己肯定感ってなに?子どもの心を支える大切な力の正体に迫る」]もあわせてご覧ください。

Self-expression through plush toys

The psychological role of plush toys has important implications for children's development. Many children choose their favorite animal or their favorite stuffed animal as their imaginary friend. This is because animals are characterized by their honest emotional expression and easy imagination of gestures close to humans.

  • Stuffed animals Because there is an entity to touch, it is easy to project emotions It is characterized by.
  • The habit of sleeping with a stuffed animal in your arms at night is a child's Peace of mind At the same time, Emotional expression exercises It will also be.

Dialogue effect with "other self"

Imaginary friends sometimes become a projection of the child's ideal self and the self they want to be. Through this dialogue with the "other self", children deepen their self-understanding and form a healthy self-image 。

How to successfully engage with your child's imaginary friend

Time spent interacting with an imaginary friend is an irreplaceable opportunity for children to grow their minds. Through interactions with imaginary beings, children understand their own emotions and learn to relate to others 。

How to treat the imaginary world

If your child starts talking about their imaginary friends, First of all, don't deny it is important.

  • He showed interest and asked, "What kind of child are you?" and "Where are you from?" etc., Empathetic Questions Let's liven up the conversation.
  • Answer questions about imaginary friends sincerely
  • Don't impose adult values, Respect the worldview created by children The point is the attitude to do it.

A 2022 study by Tokyo Gakugei University confirmed through interview surveys that imaginary friends are an encouragement and a counselor for children.

Developmental psychology research also suggests that having an imaginary friend may encourage children's creative and social development. In addition, it has been shown that imaginary friends in early childhood promote intrapersonal dialogue and contribute to inner development.

How to play with stuffed animals

親子でぬいぐるみと遊ぶ様子
Parent-child communication through play with imaginary friends

The psychological benefits of plush toys are widely recognized. Many children embody their imaginary friends through stuffed animals. Plush toys are both reassuring and an important tool for nurturing imagination It comes to.

Ideas for imaginary play that parents and children can enjoy together

  • Hold a tea party with your favorite stuffed animals
  • Creating a story with a stuffed animal as the main character
  • In reading to the story before going to bed, enjoy holding the stuffed animal while preparing for bed

▼Episode at nursery school: Making a "bus" with an imaginary friend

At one nursery school, children enjoyed playing crafts of "a bus with an imaginary friend". It is a setting in which each person's "invisible friend" gets on a small bus made of construction paper and milk cartons.
先生「きみのイマジナリーフレンドはどんな子なの?」
子ども1「ぼくのトラさんは、南の島が好きなんだよ。いっぱいパイナップルがあるから!」
子ども2「うちはクマさんといっしょに海の中まで冒険したいの!」

The children decided on a destination according to their imaginary friends' tastes and were excited with unexpected ideas. When the teacher takes it as "Wow, that's interesting!", the children will be even more excited and fantasize.

Through this kind of play, children learn social skills and engage with them at an appropriate distance, expanding a richer world of imagination 。

Even if you try it with your child, you can make a vehicle using familiar materials and ask, "Where are you going today?", and your child may start talking about various imaginary friends and worldviews.

Tips for being close to your child's feelings

When a child confides their anxieties and worries to their imaginary friends, it may be an SOS sign to their parents 。

  • "That's impossible," he said, "That's right, thank you for telling me." Try to have an accepting attitude.
  • Behind the child's words Emotions and demands It is important to understand this and create an atmosphere where you can talk with peace of mind.
  • Try to create an environment where children can explore the world of imagination with peace of mind

▼Example of a conversation between parents and children: A scene where an imaginary friend encourages you

5-year-old A-chan talks to her favorite stuffed rabbit at night before going to bed.
Aちゃん「うさぎさん、きょうお友だちとケンカしちゃってごめんねって言えなかったんだ…明日、どうしよう?」
ママ「うさぎさんはなんて言ってるの?」
Aちゃん「『明日あやまればきっと仲直りできるよ』って!」
ママ「そうだね。うさぎさんもAちゃんも、ちゃんと勇気が出るようにママも応援するよ。うまくいきそう?」
Aちゃん「うん! がんばる! ありがとう、うさぎさん!」

In this way, through imaginary friends (stuffed animals), you can see children who are able to sort out their anxieties and doubts. As long as parents keep in mind the attitude of "not denying", their children's feelings will be accepted and the role of imaginary friends will be more demonstrated.

By being close to the child's inner world, the relationship of trust between parents and children is deepened, and the healthy development of the child's mind can be supported 。

Create wonderful memories with your imaginary friends

Creating memories with an imaginary friend is an important experience that will be deeply engraved in the hearts of children. The special time spent with imaginary friends becomes a warm soil that supports the growth of children's minds It is.

Adventure play in the story

  • 『Guri to Gura 』and 『Please take a chair 』, along with characters that appear in stories such as "Doraemon" Pretend play If you do, your imagination will be even richer.
  • Before going to bed with your favorite stuffed animal in your arms 20 minutes of reading So, you can enjoy the world of picture books with your imaginary friends.
絵本を読む子どもとぬいぐるみ
イマジナリーフレンドと紡ぐ、かけがえのない思い出

Time to read a picture book in the futon while hugging your favorite stuffed animal. Those moments spent holding your stuffed animal and getting ready for bed are the best opportunities to develop your imagination.

The world of picture books and fairy tales provides the perfect setting for adventures with your imaginary friends. The experience of diving into the world of stories with imaginary friends will be irreplaceable memories 。By enjoying picture book adventures with an imaginary friend, children develop a rich imagination and empathy 。

想像のお友だちと一緒に物語の世界を旅したくなったら、お子さま自身が主人公になって11の不思議な国を冒険する名前入り絵本"Find it! Mysterious Sekai Ryoko" もおすすめです。ページの中に“もう一人の自分”や家族が登場し、空想の冒険がそのまま一冊の宝物になります。

How to engage in everyday life to nurture imagination

Even in everyday life, there are plenty of opportunities to make wonderful memories with your imaginary friends. Rejoice together in the small discoveries you find during your walk, or draw an imaginary friend during drawing time. Casual daily events will be engraved in your heart as special memories spent with your imaginary friends 。

Cleaning up and meal time can also be a fun activity with an imaginary friend. Through calls such as "I'll clean up the dolls together" and "Rabbits also eat vegetables", Watching daily habits naturally acquire is one of the best parts of raising children is.

In educational materials such as children's charenji, role-play through stuffed animals is actively incorporated. By using these materials, you can increase opportunities for imaginative play between parents and children and improve children's social and communication skills.

Tips for watching your child's mental growth

Imaginary Friend is a child's "Another important being" is. There you can share your anxiety, conflict, and joy. Warm relationship is spreading. By respecting the world of parents, children Rich imagination and self-affirmation We will nurture it.

Sometimes I confide my worries to my imaginary friends, and sometimes I share fun adventures. It is important to watch over such a rich heart-to-heart exchange with warmth. Creating an environment where children can explore the world of imagination with peace of mind is the foundation that supports healthy mental growth It is.

"If my child tells me about a strange friend—"
Why don't you dive into the world of adventure together? It will be an irreplaceable opportunity to understand the child's mind and watch them grow.

子どもの豊かな想像力をさらに広げてくれる、わが子が主人公の名前入り絵本もご紹介します。

わが子が主人公の名前入り絵本「さがして!みつけて!ふしぎなせかいりょこう」
>
キュビスムで子どもの創造力が育つ理由
【やさしく解説】ピカソが生んだキュビスム、実は子どもの感性にぴったりだった! 🎨 | 名前入り・パーソナ… Hello! This is Nico from MY STELLA. Last time, I introduced cubism that fosters children's creativity.
キュビスムと子どもの教育:アートが育む力
【注目の教育法】子どもの創造力が驚くほど伸びる!キュビスムって知ってる? 🎨✨ | 名前入り・パーソナラ… こんにちは!MY STELLA(マイステラ)です 👋 「もっと楽しく知育遊びを取り入れたいな…」🤔 「お絵

Frequently Asked Questions

イマジナリーフレンドは何歳ごろに見られますか?

3〜7歳ごろに多く見られます。発達心理学の研究では、この年代の約40%の子どもが何らかの形でイマジナリーフレンドを持つことが確認されており、想像力が豊かになる自然な発達のあらわれです。

イマジナリーフレンドがいるのは、何か問題のサインですか?

いいえ。きょうだいの有無にかかわらず見られる、ごく自然な現象です。感情の整理や創造性、コミュニケーション力を育てる前向きな役割があると報告されています。

親はどう関わってあげればよいですか?

まずは否定しないことが大切です。「その子はなんて言ってるの?」と受け止めると、子どもは安心して気持ちを言葉にでき、信頼関係も深まります。

ぬいぐるみもイマジナリーフレンドになりますか?

なります。お気に入りのぬいぐるみは安心感を与えると同時に、想像力を育てる大切な“きっかけ”になります。寝る前の絵本の時間などに、自然と物語が広がっていきます。

References and Sources

Research at Tokyo Gakugei University
Akiko Yamagishi. "Examination of the psychological role of imaginary companions (ICs)"
Bulletin of Tokyo Gakugei University (Psychological Research), Vol. 60, 2022.

Research on Imaginary Friend in Early Childhood
Grants-in-Aid for Scientific Research (Grants-in-Aid for Scientific Research) "Psychological Research on Children's Imaginary Play"

"With an Imaginary Friend"
Michelle Cuevas (Author), Nanae Sugita (Translation). "Imaginary Friend and (Children's Book)" Shogakukan, 2019.
JST Science and Technology Agency Science Agora 2022
Science Agora 2022 "Cognitive Science" ×Imagination = Adult version of Imaginary Friend"

The Influence of Imaginary Friend in Developmental Psychology
Research Report of the Center for the Future of the Mind, Kyoto University

The Developmental Psychological Significance of "Imaginary Companions" for Children
Akiko Yamagishi. "The Developmental Psychological Significance of 'Imaginary Companions' for Children"
Juntendo Health and Nursing Research, Vol. 5, 2017, pp. 41-52.

A Study on "Imaginary Companions" in Adolescence
Satoshi Yamaguchi, "A Study on 'Imaginary Companions' in Adolescence," Bulletin of the Graduate School of Education, Kyoto University, No. 53, 2007, pp. 111-120.

Imaginary Friend #子どもの成長 #想像力 #発達心理学 #ぬいぐるみ #自己肯定感 #コミュニケーション力 #親子関係 #育児 #STELLA LAB

子どもの想像力と創造力は、毎日の関わりの中で育まれます。わが子が主人公として登場する名前入り探し絵本は、好奇心と冒険心をさらに広げる特別な一冊です。

子どもの想像力を広げる名前入り絵本を見る →
投稿者アバター
egg.mam.2022 MY STELLA Editorial Department
A former nursery school teacher raising a 2-year-old daughter. Worked for about 5 years at a certified nursery school, focusing on children aged 0-2, and later gained practical experience at a school that adopted the Montessori method. I record the experiences of my own child, where knowledge learned on the job and empathy for my child come first, with smiles.
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自己肯定感を育てる
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    What is an Imaginary Friend? "Imaginary friends" are important for children's mental growth
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    Summary of Clock Picture Book Recommendations|Best by Age and Purpose and Teaching Methods to Deepen Learning
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