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why do some people blink so much

Blinking can often indicate nervousness, apprehension, fear even. A cunning boxer in the ring waits for the eyes to close before delivering a connecting blow. Some Presenters, interviewers, news readers, doctors, surgeons, politicians, religious people charity fund raisers etc etc, deliberately use blinking to make their words more believable and are trained to do this along with raising eyebrows and other body language to emphasise a point. However, IMO it makes them less credible and to me usually indicates they are concealing some truth. Body Language: How to Spot a Liar! Now it is important to note that the average person has a blink rate of approximately 20 blinks per minute.

This number will vary slightly between people. That is why it is important to note that when you first meet with anyone, you must immediately begin calibrating their body language through simple observation. When someone is relaxed, so will be their blink rate, at whatever their normal rate is. Make a mental note of their normal blink rate. Look at the pupils as well. If they are interested and engaged, the pupils will be dilated, even in a well lit area. In fact there is a whole science about how we use subliminal suggestion to relax others.

For example, if we are blinking a lot we let the person we are communicating with feel less threatened and more relaxed.
Most people blink once every two-to-ten seconds. Blinking can be triggered by dust or pollen, if you get hay fever in the summer like I do. It's mainly controlled by nervous impulses from the brain. Everyone has a sort of blinking pacemaker in their brain and everyone's is different. Everyone's is set slightly differently. This area of the brain is known as the chordate nucleus and it controls your blinking by sending impulses down the nervous system into the muscles around your eyelids.

There are of course other things that can affect your blinking like fatigue and also some diseases like Parkinson's and nerve disorders. What's quite interesting is that when we blink we don't actually notice that we're blinking because our brains filter out the signal. It's the same as when you move your eyes around a room. Your brain cuts out the signal of when your eyes are moving so that you don't get confused and feel like the world is spinning. It's called corollary discharge. I suppose if you blink a lot it's probably because your brain makes it that way or you need to get more sleep.

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