The source of sensation is the stimuli received from sensory organs. The organ involved in the process of perception is the human brain. The organs involved in the process of sensation are the eye, ear, tongue, skin, and nose. Perception refers to the process by which the brain interprets and analyzes the messages received by the brain. Sensation refers to the process of receiving information and changes through the five senses. Comparison Table Parameters of Comparison This is the reason why perception indicates how a person looks at his surroundings. Our eyes see the room, and we perceive that something is different from before.The process of perception differs from person to person depending on the individual’s memory and experiences regarding the Sensation in the past. If anything is amiss, or if something has been moved or removed entirely, we can tell the difference. It is because we know that the building is the same size as it always was, as we are as well, it’s just our relative distance from the building that makes the building appear so.Īnother example of perception shaped by learning, memory and expectation is when we walk into a room. However, we do not exclaim in surprise that the building is growing, or that we are shrinking. When we walk towards the building it appears to get bigger, at least that is what our eyes see. An example of this and an easy way to distinguish between sensation and perception is that: When we see a building from far, it appears small. However, we interpret only 40 bits.Īlso, perception can be shaped by learning, memory and expectation. Scientists estimate that we observe 11,000,000 bits of info per second. Due to this most of our world goes unperceived by us. It’s just that your brain didn’t interpret the information, and hence you didn’t perceive the person walking in. However, due to too much information, our brain does not interpret everything.įor example, if you are talking to someone, you might not realize that someone just walked in the room, even though you probably did hear the door creak and their footsteps. Humans are capable of sensing a large amount of information as any given time, such as room temperature, brightness of the lights, someone talking, a distant train, or the smell of perfume. Sensation is the process by which our senses gather information and send it to the brain. However, perception is what our brain actively does: it interprets the sensations. It is what our senses do naturally and at all the time. Sensations are passive, in the sense that we do not have to be consciously engaging in a "sensing" process. Perception, on the other hand, is the active process of selecting, organizing, and interpreting the information brought to the brain by the senses. The main difference between sensation and perception is that sensations are the passive process of bringing information from the outside world into the body and to the brain. A single unified awareness derived from sensory processes while a stimulus is present.
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