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What causes a phobia?

Why is fear?

Fear is what we feel when the “fight or flight” reaction is triggered.
Nature has designed us for a very basic way of life in which we faced wild animals or human enemies who might try to kill us.
So when threatened, our mind and body wants to trigger some powerful action like running away or fighting back.
To help us run as fast as possible, or fight as hard as possible, our breathing increases to get more oxygen into our lungs.
Our heart speeds up to pump more blood to our muscles.
Our bladder, stomach and bowels may feel like emptying, to offload that extra weight.
Even before we even reach this “fight-or-flight” stage, if we feel slightly threatened our body is already preparing us to spring into action at a moment’s notice.
Our muscles get tense, ready for a quick getaway or a sudden violent move.
We are on the alert for the slightest sign of danger.

lion roaring
What causes a phobia? Our brain treats something harmless as a real threat like this!
How does memory contribute to phobic reactions?

Because our memory is selective. In threatening situations we effortlessly remember any similar situations which we have experienced before, or even heard about from other people or the media.
We will tend to automatically do what we did in those previous situations.
After all, we did survive those situations otherwise we wouldn’t be here!
However, for many situations which threaten us in modern life, this Fight-or-flight reaction is of no help to us.
In fact it makes the situation worse.
The threats we face in modern life often require thinking and speaking clearly.
Running away or fighting doesn’t help.
And even though we survived the last threat we personally faced, we maybe didn’t handle it in the best possible way.

Why can’t we overome a phobia by commonsense and logic?

Because the reaction is totally automatic and happens before we have time to think about it logically.
By the time we’ve thought “that’s just a harmless spider,” it’s already too late.
Our brain has already triggered the fight-or-flight response.
We are in panic mode and cannot think clearly.
Basically the fight-or-flight reaction comes from a different part of our brain, not the part where our thinking happens.
The signals from our eyes and ears reach the fight-or-flight centre in our brain before they reach the front part of the brain where thinking happens.
So we react before we’ve had time to think.
That’s why highly intelligent people are just as affected by phobias as the less intelligent.
It’s also why explaining why a phobia happens doesn’t make it go away.
It’s useless to explain that the thing a phobic person fears is not actually dangerous.
They know this already, but it makes no difference to their feelings.
If anything it can make them feel worse.
It’s embarrassing to fear something which is totally harmless.

How does a phobia develop?

Phobias usually begin in early childhood when we still don’t know much about the world.
Children don’t know what is harmless and what isn’t.
For example, as adults we know that it’s very rare for a dog to seriously injure a human.
We also know that dogs make a lot of noise when they are happy and excited and want to play.
But if a child isn’t used to being around dogs he knows none of these things.
If a dog chases him he doesn’t know the dog is only playing.
The dog is bigger than him and he feels in extreme danger.
He has misunderstood the situation due to lack of knowledge.

Phobias can also happen where we encounter something harmless at a time when we’re already frightened for some other reason.
The brain links the two experiences so closely that in future, we respond to the harmless experience as if it was the other thing.
For instance, suppose a child goes to hospital following an injury.
He is scared and in pain.
Suppose there happen to be several other children in the ward who are being sick.
The child’s brain may link the thought of vomiting with the memory of pain and fear.
This could trigger emetophobia which is the fear of vomiting.
Often people cannot remember any specific incident which triggered their phobia.
This could be because it happened at a very young age before the memory had properly developed.
But that’s no problem.
We can still treat a phobia effectively even if we do not know how it occurred.

What else is involved in creating a phobia?

When a phobia arises, a part of our mind takes on the job of keeping us away from the scary experience.
It’s as if we say to that part: “You make sure that never ever happens again!”
And that part responds by creating a programme of behaviour to fulfil its mission.
Unfortunately we created that programme using only the knowledge and ability which we possessed at that age when the phobia began.
As an adult we have far more resources and knowledge to keep us safe.
But the protective “part” of our mind doesn’t know that.
It still works with a child-like outlook.
So for instance a young child doesn’t know how to distinguish a noisy friendly dog from an aggressive dog.
And a child is too small and weak to defend itself if a dog actually attacked him or her.
When a phobia has been “programmed,” the adult continues to react as they would have done when they were a small child, despite all the knowledge and capability they have developed since.
That knowledge and ability just shuts down when the phobia “programme” is running.
Read more about hypnotherapy for dog phobia HERE.

How do people maintain a phobia for many years after a frightening event?

Because even as an adult their phobia ensures that they never actually go near the thing they fear or even think about it clearly.
Once a phobia has developed, the person avoids anything to do with the feared situation or experience.
They can hardly bear to even read about it, let alone watch it on TV, a movie or online.
This kind of avoidance is mainly what keeps the phobia going, even decades after the original trauma.
More about phobias HERE from “Mind” which is the UK’s biggest mental health charity.

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