シャドーイング練習: The Real Reason You Always Imagine the Worst - 動画で英語スピーキングを学ぶ
練習モードを選ぶ
各モードは全画面の練習ルームで開きます。
175 文
文が短すぎたり長すぎる場合は、Editをタップして調整してください。
1
Your brain would rather know for sure that something bad is coming than sit with not knowing at all.
2
And that sounds backwards, but it explains so much about why your mind keeps reaching for the worst -case scenario.
3
You know the loop.
4
What if this goes badly?
5
What if I lose control?
6
What if I can't handle it?
7
One "what if" answers itself with another "what if" and 20 minutes later, you've mentally lived through five disasters that haven't even happened.
8
It's exhausting, and it can feel completely involuntary, like your mind has a mind of its own.
9
Here's the thing.
10
Your brain is not being irrational when it does this.
11
It's doing one of the things it was designed to do, forecast what might happen next.
12
I'm Dr. Tracy Marks, a psychiatrist, and I make mental health education videos.
13
So far in this series, we've seen how your brain can make an automatic safety call before you're even aware of it, and how that alarm moves faster than your reasoning can.
14
one layer deeper into what your brain does after the alarm sounds.
15
It starts forecasting what might happen next.
16
Let's start with a basic idea about how your brain works.
17
Your brain doesn't wait for life to fully unfold and then calmly react to it.
18
It's constantly forecasting.
19
It uses past experience, body signals, context, tone of voice, facial expressions,
20
timing, memory, and whatever information it has to make a guess about what's likely to happen to happen next.
21
You can think of this like autocomplete.
22
When you start typing a sentence, your phone tries to finish it for you based on patterns it's seen before.
23
Sometimes it guesses correctly.
24
Sometimes it comes up with something completely off and you wonder what your phone is trying to say.
25
Your brain does something similar.
26
It sees the beginning of a situation and tries to fill in the rest.
27
If your system is calm, your brain may offer several possible endings.
28
Maybe Maybe that body sensation is just tension or caffeine or fatigue even.
29
But if your system is already on high alert, the autocomplete fills in the threat version first.
30
They're mad at me.
31
I'm going to be criticized.
32
Something is wrong with me.
33
I won't be able to handle this.
34
This forecasting process is part of what scientists refer to as predictive processing.
35
When the information clearly contradicts the prediction, the brain can update.
36
But under stress, the brain may hold on to danger predictions longer because it's prioritizing safety.
37
It would rather be early and wrong than late and unprepared.
38
And that brings us to uncertainty.
39
Uncertainty is hard on the brain because it increases the number of possible outcomes that the brain has to prepare for.
40
Your brain doesn't want to be blindsided.
41
If you know exactly what you're dealing with, even if it's unpleasant, your brain can organize around it.
42
A known problem may be stressful, but at least it has a shape.
43
You know where to put your attention.
44
An unknown problem stays open.
45
It has no edges.
46
So the brain starts scanning possibilities.
47
Let's say you opened a shared document and you see that someone has highlighted a section of your work with the comment, let's revise this.
48
That could mean many things.
49
It could mean the wording needs to be clearer.
50
It could mean that they want a different angle.
51
It could mean that they have a small suggestion.
52
on high alert, it may not read that comment as neutral.
53
It may start filling in the missing information.
54
They don't like my work.
55
I missed something obvious.
56
This is going to be a disaster.
57
The comment itself is short.
58
The uncertainty around it is large, and that blank space gives the threat prediction system room to start building a story.
59
That's why uncertainty can be so activating.
60
Your brain is trying to close the gap.
61
It wants to know what the story is so it can prepare for the next scene.
62
And if it can't get certainty, it may create certainty by choosing the worst -case scenario.
63
answer gives it something to organize around.
64
This is why worst -case thinking can actually feel useful.
65
It gives the illusion of readiness.
66
your brain says, "If I imagine every possible bad outcome, I won't be blindsided." And at first, That may even feel responsible.
67
You're thinking ahead.
68
You're preparing.
69
You're trying to stay on top of things.
70
The problem is that mental rehearsal can start to feel like safety.
71
Every new scenario feels like one more step toward being prepared, but after a while, the rehearsal becomes the problem.
72
Your brain is no longer moving toward action.
73
It's rehearsing danger.
74
Let's separate these two things.
75
Prediction is useful.
76
You need the ability to anticipate, and that's how you avoid mistakes and prepare for things that matter.
77
If you have a presentation tomorrow, it makes sense to think through what you need.
78
You may review your notes, check your slides, decide what time to leave, and plan what you'll do if there's a technical issue.
79
That kind of thinking gives your brain a next step.
80
Threat prediction is different.
81
Threat prediction keeps expanding the danger field.
82
It says, what if I forget everything?
83
What if I embarrass myself?
84
What if this proves I'm not good at my job?
85
Now your brain is not preparing for the presentation.
86
It's preparing your body to survive humiliation or rejection and failure all at once.
87
And your body may respond as if those things are
88
The brain is simulating possible danger and the body is getting pulled into the simulation.
89
That's a key reason worst case thinking feels so draining.
90
You're not only thinking about possibility, you're living with the body state that the possibility creates.
91
This is where the bandwidth cost comes in.
92
Not only do worst case scenario thinking make you feel anxious, it uses cognitive resources.
93
It takes up working memory, which is the mental space that you use to hold information, make decisions, follow a conversation,
94
solve problems, and even stay focused on what's in front of you.
95
It's a key executive function.
96
You may notice this when you try and read something simple
97
and have to reread the same paragraph three times
98
because your mind keeps going back to the thing that you were worried about.
99
Or you may be in a conversation nodding along, but part of your attention is still somewhere else, running the danger forecast in the background.
100
And that's why your focus can feel so scattered.
101
You may be trying to finish a task, but your brain is already doing another job in the background: monitoring threat.
102
And threat monitoring is expensive.
103
It pulls attention away from the present and assigns it to the future, especially the future your brain is trying to prevent.
104
So worry can feel like preparation, but it's actually making you less prepared.
105
It spins the bandwidth you need for flexible thinking.
106
And flexible thinking is what helps you respond well when something difficult actually happens.
107
Now, you may know the word catastrophizing.
108
In cognitive behavior therapy speak, it's a cognitive distortion.
109
Catastrophizing is when your mind jumps to the worst possible outcome and treats it as likely or almost certain.
110
And that word is useful, but I don't want to stop at the label
111
because the label sometimes makes it sound like your mind is just simply being dramatic.
112
The worst case story may be exaggerated, but it's serving a purpose.
113
It gives your brain something to brace against when uncertainty feels too open -ended.
114
And that explains why the thought can feel so hard to drop.
115
It helps to see worst case thinking as a protective prediction, not just a cognitive distortion.
116
If you call the thought irrational, you may end up arguing with yourself.
117
You may say, I shouldn't think this way, or this is ridiculous.
118
I need to stop.
119
that's protecting you, shaming the thought doesn't calm the system.
120
It just adds another layer of distress.
121
A more useful approach is to recognize the function of the thought.
122
You can say, my brain is trying to predict danger so I won't be caught off guard.
123
Saying this doesn't mean the prediction is accurate.
124
It means you understand why it showed up.
125
Then you can ask a better question: Is this thought moving me toward the next step, or is it generating another threat?
126
That question helps you separate planning from threat prediction.
127
Planning leads to action.
128
Threat prediction leads to more scenarios.
129
Planning says, "If the meaning includes feedback, I'll listen, take notes, and ask what the next priority should be." Threat prediction says,
130
what if the feedback means I'm failing?
131
What if they've already lost confidence in me?
132
Planning gives your brain a path.
133
Threat prediction opens more loops.
134
You don't have to stop every what -if thought.
135
In fact, trying to force the thoughts away can make them stick harder.
136
The goal is to interrupt the idea that every forecast deserves full emotional engagement.
137
Now, how do you interrupt the loop?
138
You don't do it by forcing false positivity.
139
high alert brain that everything's going to be fine, it will immediately reject that as a lie and come back with more evidence for why you should worry.
140
Instead, give your brain something realistic and credible to hold on to.
141
So instead of saying, I know this meaning is going to be terrible, you might say, this meaning could be uncomfortable.
142
It could also be routine.
143
It may involve feedback, clarification, or a request.
144
I don't know yet.
145
That does two things.
146
First, it acknowledges uncertainty instead of pretending that it's not there.
147
Second, it widens the prediction field.
148
Fear no longer gets to occupy the whole space.
149
You can use the same process with a delayed text.
150
Instead of, they're upset with me, you could say, you They may be busy.
151
They may not know what to say yet.
152
I just don't know.
153
You're not trying to make the difficult possibility disappear.
154
You're reminding your brain that the difficult possibility is just one possibility, not the only one.
155
Then you can add one practical next step if the difficult version turns out to be true.
156
So for example, if the meeting includes feedback, I can listen and decide what's useful.
157
Or, if the situation is harder than I expected, I can take it one step at a time.
158
Adding in what you would do helps reduce the fear and anticipation that whatever happens will be disastrous and unrecoverable.
159
So what's the message here?
160
Worst case thinking is not a sign that you have poor coping skills or you're psychologically devolved.
161
It's a prediction system that has learned to overprepare for danger.
162
That system may have developed for a reason.
163
you've been blindsided before.
164
Maybe you've learned early that when good things happen, something bad is right around the corner.
165
Whatever the reason, the pattern makes sense.
166
And because it's a pattern, it can be updated.
167
The goal is not to stop your brain from predicting.
168
Prediction is one of its basic jobs.
169
Your brain is trying to protect you.
170
But when prediction turns into rehearsal and rehearsal turns into alarm, that protection starts to cost you clarity.
171
You can teach your brain to issue better forecasts, ones that prepare you without consuming you.
172
In the next video we'll move from danger forecasts to defensive responses, why your brain chooses fight,
173
flight, freeze, or fawn before you consciously decide what to do.
174
Thanks for watching today.
175
See you next time.
アプリをダウンロード
流暢に話すために必要なすべて
AI発音採点文ごとに採点
IPA練習すべての音をマスター
単語学習自分の単語帳を作る
単語ゲーム遊びながら覚える
📺 同じチャンネル
C12
Why Knowing Better Doesn’t Help in the Moment
Daily ConversationWorking Adults
B23
Why You Snap at Small Things (It’s Not Your Fault)
Daily ConversationWorking Adults
B23
How To Build a Strong Mind: New Focus on Resilience
American AccentBusiness EnglishUniversity StudentsWorking Adults
B21
Why You Can't Focus: Is It ADHD or Just Stress?
American AccentBusiness EnglishUniversity StudentsWorking Adults
B23
How To Visualize Your Success: Mental Rehearsal To Build Resilience
American AccentBusiness EnglishUniversity StudentsWorking Adults
B22
Setbacks vs. Failure: Why Your Brain Gets Trapped in Negative Loops
American AccentBusiness EnglishUniversity StudentsWorking Adults
C110
A Psychiatrist Explains "Quiet Cracking" (While Your Work Still Looks Fine)
American AccentBusiness EnglishUniversity StudentsWorking Adults
B26
Why You Still Feel Drained After Taking Time Off
American AccentBusiness EnglishUniversity StudentsWorking Adults
B23
Why You're Exhausted After Meetings (Even If You Didn't Speak)
American AccentBusiness EnglishWorking Adults
B24
Always Angry? Try This Technique Before The Next Blow Up
American AccentBusiness EnglishUniversity StudentsWorking Adults
B26
5 Signs Chronic Stress Is Damaging Your Brain
American AccentBusiness EnglishUniversity StudentsWorking Adults
B22
The Science of How Your Brain Forms Habits (and How to Take Control)
American AccentBusiness EnglishUniversity StudentsWorking Adults
B24
Which Exercise Actually Wins for Brain Health?
American AccentBusiness EnglishUniversity StudentsWorking Adults
B22
Want a Stronger Mind? Start With These 3 Micro Habits
American AccentBusiness EnglishUniversity StudentsWorking Adults
B2Why Can’t You Sleep When Work Seems to Be Going Fine?
American AccentBusiness EnglishUniversity StudentsWorking Adults
✨ おすすめ動画
B22
44 文
Why Your Brain Thinks Resting is a Threat to Survival
Business EnglishDaily ConversationUniversity Students
B22
106 文
Why I'm Always So Calm
American AccentBusiness EnglishDaily ConversationUniversity Students
B23
249 文
The Real Reason You Don't Believe in Yourself
American AccentBusiness EnglishDaily ConversationUniversity Students
B22
108 文
How Do You Know if You Made the Right Decision? | 3 Filter-Questions
Business EnglishDaily ConversationUniversity Students
B24
17 文
A Psychologist's Secret About Your Brain (You'll Wish You Knew Sooner)
British AccentDaily ConversationUniversity StudentsWorking Adults
B239
219 文
You were never supposed to think this much
Business EnglishDaily ConversationUniversity Students
B23
193 文
Why we can't stop scrolling.
Business EnglishDaily ConversationUniversity Students
B22
87 文
Thinking Too Much About The Past? This One Strategy Can Help
Business EnglishDaily ConversationUniversity Students
B216
279 文
Your body decides before you do | Nervous System Regulation & Expansion
American AccentBusiness EnglishUniversity StudentsWorking Adults
B24
181 文
HOW TO STOP OVERTHINKING (& START DOING)
Business EnglishDaily ConversationUniversity Students
日常の「最悪の想像」が止まらない理由
YouTubeで英語学習をする際、メンタルヘルスに関する動画は意外と英語表現の宝庫です。例えばこの動画では、「なぜ私たちはいつも最悪の事態を想像してしまうのか」という共感的な話題を通して、脳の働きや心理的プロセスが詳しく説明されています。共有ドキュメントのコメントに「修正しましょう」と書かれた時、「相手が怒っているのでは」「自分の仕事がダメなのか」と不安に駆られる場面は誰にでもありますよね。これは脳が「予測処理」を行っているためで、ストレス状態では危険な予測を優先的に考えてしまうのです。
覚えておきたい英語のフレーズ&コロケーション
- worst-case scenario：最悪の事態。「What if the worst-case scenario happens?」（最悪の事態が起きたらどうしよう）のように使います。
- predictive processing：予測処理。脳が過去の経験から未来を予測する働きを指します。
- high alert：高警戒状態。「My brain is on high alert when I'm stressed」（ストレスがある時、脳は高警戒状態になる）。
- blindsided：不意打ちを食らう。「I don't want to be blindsided by unexpected problems」（予期しない問題に不意打ちされたくない）。
- revised：修正する。「Let's revise this section」（この部分を修正しましょう）はビジネスでよく使われます。
あなたのシャドーイングチャレンジ
英語シャドーイング（shadow speak / shadow speech）は、リスニングとスピーキングを同時に鍛える最も効果的な方法の一つです。さっそくこの動画の一部を使って練習しましょう。「Your brain would rather know for sure that something bad is coming than sit with not knowing at all.」という文を選び、以下のステップで挑戦してみてください。
1. 動画を1.25倍速で再生し、文を聞き取る。
2. 1秒遅れで同じ速さ、同じイントネーションで繰り返す。
3. 5回繰り返した後、自然なスピードで発音できるか確認する。
この練習を続けると、英語のリズムやアクセントが自然に身につき、「shadowspeak」のスキルも向上します。YouTubeで英語学習をする際は、単に見るだけでなく、声に出してシャドーイングすることで、実践的な英語力がつきますよ。
この動画の文法
話し手がよく使っている文型を、動画の実際の表現とともに紹介します。
| 文型 | 動画での表現 |
|---|---|
| 条件文 if + 節, will/would + 動詞 — 条件とその結果 | If the meaning includes feedback, I'll listen |
| 受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる | was designed · be criticized · be blindsided |
| 現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係している | haven't even happened · we've seen · has highlighted |
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。