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  • Posted By: notatall
  • Date Posted: 12/08/2010
  • Category: Science
  • Words: 1385
  • Pages: 6
  • Views: 871
  • Rank: 234

Sensation

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Sensation

The Senses Act as A Data Reduction System

Sensation is the stimulation of the sense organs by the external and internal environments. Sensations shape impressions of reality by interpreting the process that the individual feels, touches, smells and sees the world around. As Coon (1995) states The senses act as a data reduction system. Not only do the senses reduce data from both environments, but they also create a subjective reality by going beyond the raw data.


The senses only experience a limited potion of energy available. Each of the five senses respond to different energy forms, the eye only responds electromagnetic energy (Waves which vary in the distance between one peak and the next), which is further reduced as the human can only see 10% of the electromagnetic spectrum although humans rely heavily on the eye to perceive the objective reality. It is believed that humans can only detect sensations necessary for their survival, as humans can not see things such as sona, while bats can.


It may appear simple process to create reality, but infact it is a very complex process. There are several stages that the eye goes though to enable sight as the eyes and brain together form the visual system. When the light falls on the retina the feature detectors (specialised neutrons that respond to certain attributes of the stimuli) then respond to specific features of the information received. Transduction is a process that converts electromagnetic energy from the external reality into electrochemical energy so the brain and nervous system can use. It occurs at the back of the eye, and happens because the brain can only interpret one form of energy, meaning that all senses detect other forms of energy and then transduce it into electrochemical energy. As the electromagnetic energy is being ...

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