NCERT Solutions Class 11 Psychology Chapter 7 Human Memory

NCERT Solutions Class 11 Psychology Human Memory. The NCERT solutions for Class 11 Psychology book have been made by Psychology teacher of one of the best CBSE school in India. Psychology in Class 11 is an important and easy to score subject for Class 11 students. These NCERT solutions have been made to give detailed answers and explanations which can be easily understood by the students. You can download the NCERT solutions for free in pdf format. Refer to other links also to download Class 11 Psychology NCERT solutions, worksheets, sample papers and test papers.

Question 1. What is the meaning of the terms ‘encoding’, ‘storage’ and ‘retrieval’?

Answer: Memory is conceptualized as a process consisting of three independent, though interrelated stages. These are:

1. Encoding:  It is the first stage which refers to a process by which information is recorded and registered for the first time so that it becomes usable by our memory system.

 In encoding, incoming information is received and some meaning is derived.

2. Storage: It is the second stage of memory:  Information which was encoded must also be stored so that it can be put to use later.

 Storage refers to the process through which information is retained and held over a period of time.

3. Retrieval: It is the third stage of memory.  Information can be used only when one is able to recover it from his/her memory.

 Retrieval refers to bringing the stored information to his/her awareness so that it can be used for performing various cognitive tasks.

Question 2. How is information processed through sensory, short-term and long-term memory systems?

Answer: Atkinson and Shiffrin model of memory also known as stage model of memory.

 This proposes the existence of three separate but sequentially linked memory systems, the sensory memory, the short-term memory and the long-term memory.

 The sensory memory—contains a fleeting impression of a sensory stimulus (a sight or a sound). It is initial process that preserve brief impression of stimuli. It has a large capacity. It is of very short duration that is less than a second.

 The short-term memory—a limited recollection of recently perceived stimuli (a telephone number or an order of drinks). It holds small amount of information for a brief period of time i.e. less than 30 seconds. It is primarily encoded acoustically.

 The long-term memory—a more or less permanent store of memories for later retrieval (e.g. our telephone numbers). In this stage information’s are encoded semantically and storage capacity is unlimited.

 Each of these memory system is seen as differing in the way they process information, how much information they can hold and for how long they can hold that information. 

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