Knowledge Perception Tok Essay

Topics: Sense, Sensory system, Perception Pages: 2 (576 words) Published: May 13, 2013
What is sense perception?

Nowadays perceptions is defined “the ability a human has to become aware of something though one or a combination of the 5 senses” to understand the sense perception we first have to know our 5 sense. Hearing, sight, olfaction, taste and touch. We must also understand how some people become aware if they are blind, if they lack in one or more senses, how do each of the senses might replace each other. The somatic sensory system responsible for the touch senses we feel everyday. It gathers up thousands of information each day. The pain you feel when you from your tight shoes, the temperature of the room on which your on and the texture from an object. Even when your sleeping your somatic sensory system works, it processes information 24/7. Your ear is responsible for the caption of another sense, hearing, your ear senses different sound waves and transmits it to the brain were there it is processed and converted into important information. Hearing is used as a way to communicate. In addition your eye is responsible for the sight, it detects different wavelengths which are different colors and transmits it to the brain which convert into images and this is how you can perceive the world the way it, but is it the real truth? We can also analyze how olfaction work, when your olfactory receptor receives a message it send it to the brain which has a huge database of all the smells you have sensed during you life and make a connection with it, so your olfaction is directly connected to your memory, the last sense is the taste or also known as gustation is the sensation produced when a substance you eat reacts chemically with the receptor responsible to give the impression of taste (taste buds), there are five main fives of tastes , sweetness , sourness, saltiness, bitterness and umami, they make up all the senses of taste we taste everyday. Many people believe that our sense of perception don’t give the truth of reality. In my opinion, our...
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