The society and the information 26: Wonder of brain and nerves 4


1褒められたFMRI   brain when parson was praised, a image of fMRI 

< 1.  brain when parson was praised, a image of fMRI >

 I look at a brain function that makes our action and thought most human. 

We do not notice that usually.

 私達の行動や思考を、最も人間らしくしている脳の働きを見ます。

そのことに普段、私達は気づきません。

Please imagine a little

Emotion-feelings:  your heart beat intensely as soon as you watched a cobra in front. However, if you noticed a glass being in between you and it, the heartbeat would quiet down immediately.

 

Memory:  Can you remember the pattern of your dinner bowl using every day?  On the other hand, you will be able to remember like that of yesterday about the memory of early childhood.

 

Motivation:  You have to restrict delicious between-meal eating, in order to wear favorite swimming suit. Every day, controlling your appetite involves appreciable pain.

 

少し想像して下さい

情動(感情): あなたは目の前のコブラを見たとたん、心臓が激しく鼓動します。しかし、前面にガラスがあることが分かれば、心臓の鼓動はすぐ収まるでしょう。

記憶: あなたは毎日使っているお茶碗の絵柄を思い出せますか。一方、幼い頃の思い出を昨日のように思い出すことがあるはずです。

動機付け: あなたは好きな水着を着る為に、美味しい間食を制限しなければならない。日々、食欲を抑えることはかなりの苦痛が伴います。

 

3英文脳 Secretion of the neurotransmitter

< 2.  Secretion of the neurotransmitter >

Emotion affects these all

The basic information processing of brain of the human is performing in huge network where 100 billion nerves convey information one by one.

However, if the emotion rouses up once, a wide area of the brain becomes active situation or inhibited situation for a certain period of time, and then it affect the usual information processing.

It is because neurotransmitter was secreted from the cerebral inside – limbic system- as shown above figure.

The main substance is Dopamine, Serotonin and Noradrenalin, etc.

These produce emotions, such as fear, sadness, joy, anger, and dislike.

The function resembles that the fighting spirit and muscularity of a sport player becomes enlarged, because he continues injecting male hormone.

 

これらすべてに情動が関わっています

人の脳の基本的な情報処理は、1千億個の神経が、一つずつ情報を伝える巨大なネットワークで行われています。

しかし情動が発現されると、脳の広い範囲が一定期間、活性・抑制され、通常の情報処理に影響を与えます。

それは図のように大脳の内側(大脳辺縁系)から神経伝達物質が分泌されたからです。

その主要物質はドーパミン、セロトニン、ノルアドレナリンなどです。

これらは恐怖、悲しみ、喜び、怒り、嫌悪などの情動を生みだします。

その作用はスポーツ選手が男性ホルモンを注射し続けて、闘志に燃え、筋骨隆々になるのと似ています。

 

2英文脳内ホルモン Neurotransmitter is mixed and complicated emotions are born

< 3.  Neurotransmitter is mixed and complicated emotions are born >

 

Summary

  1. There is a part that strongly reacts to fearful things – snake etc. – in brain, and this immediately produces the feeling expression and the body reaction.
  2. In memory or cautions, the emotion – danger, comfortableness etc.- determines the necessity of a lot of those.
  3.  The emotion – avoiding fear or uneasiness, demanding for pleasure etc.- affects the action and the judgment. It means intuition.

 

まとめます

1.脳には恐いもの(蛇など)に強く反応する部位があり、これが即座に感情表現や身体反応を生じます。かつ上位の脳機能がそれを確認している。不安、嫌悪、喜び、共感なども同様です。

2.記憶や注意の多くは、情動(危険、心地よいなど)によってその必要性が決められている。

3.行動や判断には、情動(恐怖・不安を避け、快楽を求める要求など)が関わっています(直感)。

 

What I want you to know.

  1. Do you feel loathsomeness about the sexual act of the homosexual?
  2. Will you be glad if you hear that a rich person suffered heavy losses?
  3. When the player of opponent country fails in an international match, are you pleased?

The emotion affects all these reactions  

The emotion is influenced by not only heredity but also growth environment and social environment.

The problem means that human is hardly able to recognize the real identity of the emotion by oneself.

Human have experienced adolescence, and then they come to be able to control their emotion so that there is no trouble in their life.

However, the understanding and sympathy to others, other groups, and different things are quite difficult.

I treat another theme from next time.

知って欲しいこと

1.             あなたは同性愛者のセックスに嫌悪感を抱きますか。

2.             あなたはある金持ちが大損したと聞いたら嬉しいですか。

3.             あなたは国際試合で、対戦相手国が失敗すると喜びますか。

これらの反応はすべて情動が関わっています。

この情動は遺伝だけでなく、生育環境や社会環境にも影響されています。

問題は、この情動の正体を、自分自身でほとんど認識出来ないことです。

人は思春期を経験して、生活に支障が無い程度に情動を制御出来るようになります。

しかし、他者や他集団、異なるものへの理解・共感はかなり困難なのです。

 

次回から、別のテーマを扱います。

 

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