We can observe our environment through two processes that work together; sensation and perception. Perception is the process of organizing and interpreting sensory information. While sensation is the process of which sensory receptors receive and information of stimulus from the environment. What we sense is not what we perceive. By using Selective attention, focusing its attention on what is important,your brain reduces the information received to what is needed. Some stimuli are so slight they noticed .Absolute threshold are the minimum stimulus required for a person to be aware of the the stimuli half of the time. The minimum stimulus required is half of the time because the brain ability to notice the stimuli becomes less frequent as the
