Class 11 Psychology - WEST-BENGAL

Human Memory

The chapter 'Human Memory' in Class 11 Psychology explores how our minds encode, store, and retrieve information. It delves into the Atkinson-Shiffrin Information Processing Model, covering sensory memory, short-term memory, and long-term memory. Students also learn about the different types of memory like declarative and procedural, various models of memory organization, and the causes of forgetting, such as interference and decay. This chapter is vital for the West Bengal Council of Higher Secondary Education (WBCHSE) board exams as it features frequently in both short-answer and long-answer question formats, testing students on real-life applications and theoretical frameworks.

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Key Concepts

Encoding

The initial process of recording and registering information in a form usable by memory.

Atkinson-Shiffrin Model

A stage model of memory suggesting that information passes through three distinct systems: Sensory Memory, Short-Term Memory (STM), and Long-Term Memory (LTM).

Working Memory

A mental workspace proposed by Baddeley that temporarily holds and manipulates information while we perform cognitive tasks.

Declarative and Procedural Memory

Declarative memory stores factual information and events, while procedural memory stores actions, skills, and how things are done.

Interference Theory

A theory of forgetting stating that memory traces block or disrupt one another, divided into proactive and retroactive interference.

Mnemonics

Memory aids or strategies, such as chunking or visualization, used to improve the encoding and retrieval of information.

Important Formulas

Ebbinghaus Forgetting Curve: Retention = f(Time elapsed, Strength of memory, Rehearsal)
STM Capacity: 7 +/- 2 chunks of information (Miller's Law)
Trace Decay Theory: Forgetting = f(Passage of time without rehearsal)

Board Exam Info

In the West Bengal (WBBSE) Class 11 Psychology examination, this chapter typically carries around 6 to 10 marks. Questions usually include multiple-choice questions (MCQs), very short answer type questions (VSAQs), and descriptive long questions (SAQs/LAQs) focusing on the stages of memory, causes of forgetting, and methods to improve memory.

Frequently Asked Questions

What is the difference between short-term memory and long-term memory?

Short-term memory has a very limited capacity and duration (around 30 seconds), whereas long-term memory has a seemingly limitless capacity and can store information for a lifetime.

Why do we forget things according to psychology?

We forget due to trace decay over time, lack of proper encoding, interference from other memories, or retrieval failure where the cue to access the memory is missing.

How can I improve my memory for board exams?

You can improve memory using mnemonics, chunking information, practicing elaborative rehearsal, getting enough sleep, and organizing study material logically.

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