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code📚 Psychology ├── 📖 Chapter 1: The Nature of Memory and Information Processing ├── 📖 Chapter 2: Short-Term Memory and Working Memory ├── 📖 Chapter 3: Long-Term Memory: Types and Organization ├── 📖 Chapter 4: Alternative Models of Memory ├── 📖 Chapter 5: Memory Retrieval and Its Imperfections ├── 📖 Chapter 6: Forgetting: Causes and Mechanisms └── 📖 Chapter 7: Biological Basis of Memory
What this chapter covers: This chapter introduces the information processing model, comparing memory to a computer. It outlines encoding, storage, and retrieval processes, and identifies sensory, short-term, and long-term memory systems.
| Concept/Formula | Definition/Equation | When to Use |
|---|---|---|
| Encoding | Transforming sensory information into a neural code. | Initial processing of information. |
| Storage | Maintaining encoded information in memory over time. | Retaining information for later use. |
| Retrieval | Accessing and bringing stored information into conscious awareness. | Recalling past experiences. |
| Sensory Memory | Brief storage of sensory information. | Initial stage of memory processing. |
| Short-Term Memory (STM) | Limited-capacity system for active processing. | Temporarily holding information. |
| Long-Term Memory (LTM) | Durable system with vast capacity for storage. | Storing information for extended periods. |
| Iconic Memory | Visual sensory memory. | Briefly remembering visual stimuli. |
| Echoic Memory | Auditory sensory memory. | Briefly remembering auditory stimuli. |
Type A: Understanding Encoding
Setup: "When you see a question about how information is initially processed"
Method: Identify whether the encoding is visual, acoustic, or semantic. Consider which type is most effective for long-term retention.
Type B: Memory System Identification
Setup: "If given a scenario describing a memory task"
Method: Determine whether the task relies on sensory, short-term, or long-term memory. Justify your answer based on the duration and capacity of each system.
Problem: A person remembers the image of a flashing light for a fraction of a second. Which memory system is at play?
Given: Brief duration of memory (fraction of a second), visual stimulus.
Steps:
"✅Answer: Iconic memory.
❌ Mistake: Confusing short-term and long-term memory.
✅ How to avoid: Remember that short-term memory has limited capacity and duration, while long-term memory has vast capacity and can store information for extended periods.
What this chapter covers: This chapter focuses on working memory, its components (phonological loop, visuospatial sketchpad, central executive), encoding strategies, and storage capacity.
| Concept/Formula | Definition/Equation | When to Use |
|---|---|---|
| Phonological Loop | Stores auditory information. | Language processing. |
| Visuospatial Sketchpad | Stores visual and spatial information. | Creating mental images. |
| Central Executive | Supervises and coordinates other components. | Controlling attention and allocating resources. |
| Chunking | Organizing individual items into meaningful groups. | Increasing STM capacity. |
| Maintenance Rehearsal | Repeating information to extend its duration in STM. | Temporarily holding information. |
| Elaborative Rehearsal | Relating new information to existing knowledge. | Transferring information to LTM. |
Type A: Working Memory Component Identification
Setup: "When a task involves both storage and manipulation of information"
Method: Determine which component of working memory (phonological loop, visuospatial sketchpad, or central executive) is most active in the task.
Type B: Capacity Limitation
Setup: "If given a memory span task"
Method: Apply the concept of chunking to explain how the number of items recalled can be increased.
Problem: A person repeats a phone number to themselves while looking for a pen. Which component of working memory is primarily involved?
Given: Auditory information (phone number), repetition.
Steps:
"✅Answer: Phonological loop.
❌ Mistake: Thinking maintenance rehearsal is as effective as elaborative rehearsal for long-term retention.
✅ How to avoid: Understand that elaborative rehearsal creates meaningful connections, leading to better long-term storage.
What this chapter covers: This chapter explores explicit (declarative) and implicit (nondeclarative) memory, episodic and semantic memory, and the organization of LTM through semantic networks and schemas.
| Concept/Formula | Definition/Equation | When to Use |
|---|---|---|
| Explicit Memory | Conscious recollection of previous experiences. | Recalling facts and events. |
| Implicit Memory | Remembering without conscious awareness. | Performing skills and habits. |
| Episodic Memory | Memory for specific events and experiences. | Recalling personal experiences. |
| Semantic Memory | Memory for general knowledge and facts. | Recalling facts and concepts. |
| Semantic Network | Network of interrelated concepts. | Understanding relationships between concepts. |
| Schema | Organized pattern of thought or behavior. | Interpreting and understanding the world. |
Type A: Memory Type Classification
Setup: "When presented with a memory scenario"
Method: Determine whether the scenario involves explicit or implicit memory, and further classify explicit memory as episodic or semantic.
Type B: Schema Application
Setup: "If given a situation where expectations influence memory"
Method: Explain how schemas shape the encoding, storage, and retrieval of information.
Problem: A person remembers their first day of school. What type of long-term memory is involved?
Given: Personal experience, specific event.
Steps:
"✅Answer: Episodic memory.
❌ Mistake: Confusing episodic and semantic memory.
✅ How to avoid: Remember that episodic memory is for personal experiences, while semantic memory is for general knowledge.
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