Human Memory

Learn how humans process information perceived from sensory stimuli.

Introduction

In the previous lessons, we studied the human capability to perceive information through the senses. In this lesson, we will learn how human memory uses and processes this information.

Human memory is the ability to gain, store, retain, and retrieve information. Memory is the second phase of the Model Human Processor. In order to explain the basic function of memory, we can divide the memory process into three memory stages, or we can say that there are three types of memory:

  • Sensory memory (SM): This type of memory stores information received through sensory stimuli. Some of the information is passed onto the short-term memory and the remaining information is lost.
  • Immediate memory (IM): This type of memory stores information acquired by sensory memory for a short period of time and processes it. If the information is rehearsed or repeated several times, it becomes part of the long-term memory.
  • Long-term memory (LTM): This type of memory stores information received from immediate memory after several repetitions. This information gets stored for a long period of time and it gets lost over time if it isn’t accessed again.

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