Sensation refers to how the sense organs respond to the external stimuli and transmit those responses to the brain. Perception refers to the processing, organization, and interpretation of sensory signals that result in an internal representation of the stimulus. The bodily systems convert stimulus energy into useful information. Most of the time perception is based on past experiences, and this shapes our expectations during the identification of sensory experiences. Sensory organs gain information about the environment by converting forms of physical energy into signals that the brain can understand: this process has been shaped by evolution to. Sensory coding is the way sensory organs translate stimuli information"s physical properties into neural impulses: different features of the physical world are coded by different patterns of neural impulses www. notesolution. com. example: green light will be coded by one pattern, sensation of a hot skillet on your arm by another.