The Human Brain and the Eyes

The reason the world doesn't disappear when you blink is because of a form of sensory memory called iconic memory. Iconic memory holds visual information for about a quarter of a second or more. When we blink, our eyes are closed for a very short period of time. During this short period of time, the image of the world around us remains in our mind because of iconic memory and sensory memory. Sensory memory refers to an initial process that receives and holds environmental information in its raw from for a brief period of time, from an instant to several seconds. Between the two of the…