49: Sensation refers to the process of detection of a stimulus while perception is the integration, organization and interpretation of sensations. The sense organs sense the stimulus and send it to sensory regions of brain in form of nerve impulse. Now, the nerve impulse is organized and translated by brain through the process of perception. Hence, perception enables the individual to decode the nerve impulse and to understand the meaning of sensations. For example, hearing a sound is sensation while distinguish the sound as music is perception. Solution 49: Sensation refers to the process of detection of a stimulus while perception is the integration, organization and interpretation of sensations. The sense organs sense the stimulus and send it to sensory regions of brain in form of nerve impulse. Now, the nerve impulse is organized and translated by brain through the process of perception. Hence, perception enables the individual to decode the nerve impulse and to understand the meaning of sensations. For example, hearing a sound is sensation while distinguish the sound as music is perception..