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SIGHT

Receptors in our eyes are sensitive to light and this is how they gather information about the world. Vision is considered to be our dominant sense because out of all the receptors we have in our bodies, 70% are found in our eyes.

How or what might cause our sense of sight to malfunction?

Our eyes may be fooled because of environmental factors like darkness, fog and pollution, or we may be tricked by an illusion, or it could be because of our own faulty equipment - maybe a combination of all three.

Different people have different eye sight and our eye sight changes as we get older and even throughout the day. If our glasses are broken, we may not be able to see properly. Also, depending upon the amount of sleep we've had, or the vitamins and minerals our body is lacking, our vision may be impaired. Medicine, like cough syrup, can also effect our vision. So can many drugs and chemicals that are in foods or in our environment. Hallucinations are also common; this is when we see things that aren't really there - like in dreams or when everything appears distorted and fuzzy. The time just before falling asleep and as we are waking up are especially vulnerable times for hallucinations. They've even been given special names - hypnogogic and hypnopompic. They are natural explanations that may help account for the experiences involved in alien abduction phenomena and other paranormal experiences. For instance, have you ever woken up in the morning but instead of getting up, you lay in bed for a little while longer only to realize that when you get up again it's an hour or two later. It may only feel like a few minutes because you didn't realize that you drifted off to sleep again. This may account for a common phenomenon reported in alien abduction cases called lost time. These periods of partial wakefulness are also prone to unusual visions and hallucinations - where our real surroundings and our imagination may meld together in all sorts of fanciful ways. When these and many other factors are all experienced together, an alien abduction story may seem very plausible and real for the person involved.

There are also many things in the world that might resemble other objects we are familiar with or that appear to be magical. People look at clouds and see all sorts of common objects like Mickey Mouse and teapots. This may be what is behind the many occurrences of people seeing faces on buildings and tortilla chips - it helps to explain the face on Mars and the man in the moon!

The way our brains analyze the information received through the senses can affect the observations we make. We see patterns where there are none and sometimes when we look at objects we don't recognize, our brain will fill in the gaps with similar objects from our memory banks so that what we're seeing looks more familiar to us and we can make a guess as to what it might be. The more gaps we fill in, the more likely we are of making a mistake but it's nothing that closer inspection won't fix!

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(click on each heading above for fun & experiments for each sense)