Class 11 Psychology - BIHAR

Human Memory

The Human Memory chapter in Class 11 Psychology explores how our minds encode, store, and retrieve information. Students will learn about Atkinson and Shiffrin's Stage Model of memory, which includes sensory memory, short-term memory, and long-term memory. It also covers the nature of forgetting, types of amnesia, and practical mnemonic strategies to improve memory retention. Mastering this chapter is crucial for Bihar Board (BSEB) exams as it features frequently in both objective multiple-choice questions and subjective short/long-answer sections.

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Key Concepts

Encoding

The first stage of memory where incoming information is received and translated into a usable neural format that the brain can process.

Storage

The process of retaining and maintaining encoded information over periods of time, ranging from a few seconds to a lifetime.

Retrieval

The process of locating, bringing back, and using stored information from memory when it is needed.

Sensory Memory

The initial memory stage that holds vast amounts of sensory information for a very brief duration, typically less than a second.

Working/Short-Term Memory

A memory store that holds a limited amount of information (about 7 plus or minus 2 items) for a short duration of around 20 to 30 seconds.

Long-Term Memory

The vast and permanent storehouse of information, encompassing episodic, semantic, and procedural memories with unlimited capacity.

Important Formulas

Information Processing Approach = Input -> Encoding -> Storage -> Retrieval
Atkinson and Shiffrin Model = Sensory Memory -> Short-Term Memory (STM) -> Long-Term Memory (LTM)
Hermann Ebbinghaus Forgetting Curve: Retention = f(Time)

Board Exam Info

In the Bihar School Examination Board (BSEB) Class 11 Psychology exam, this chapter typically carries around 6 to 8 marks. Questions usually include objective (MCQ) items, short-answer questions defining memory stages, and long-answer questions explaining the causes of forgetting or models of memory.

Frequently Asked Questions

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

Short-term memory has a very limited capacity (7±2 items) and duration (about 30 seconds), whereas long-term memory has an unlimited capacity and can store information for a lifetime.

Why do we forget information we once knew?

Forgetting occurs mainly due to trace decay, interference from other memories, lack of proper retrieval cues, or motivated forgetting.

What are mnemonics and how do they help?

Mnemonics are memory techniques—such as chunking, acronyms, or visual imagery—that help organize and encode information so it is easier to retrieve later.

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