Podcast
Questions and Answers
What is the relationship between 'DOG' and 'COLLIE' in the data structure?
What is the relationship between 'DOG' and 'COLLIE' in the data structure?
- DOG is a subtype of COLLIE
- DOG is a type of COLLIE
- COLLIE and DOG are unrelated
- COLLIE is a subtype of DOG (correct)
What is the default diet of a DOG in the data structure?
What is the default diet of a DOG in the data structure?
- Omnivorous
- Omnivorous and carnivorous
- Carnivorous (correct)
- Herbivorous
What is the purpose of a script model in Long-Term Memory (LTM)?
What is the purpose of a script model in Long-Term Memory (LTM)?
- To interpret situations (correct)
- To store long-term information
- To make predictions
- To store short-term information
What is an entry condition for the script 'A visit to the vet'?
What is an entry condition for the script 'A visit to the vet'?
What is a result of the script 'A visit to the vet'?
What is a result of the script 'A visit to the vet'?
What is a prop in the script 'A visit to the vet'?
What is a prop in the script 'A visit to the vet'?
What is the role of the 'owner' in the script 'A visit to the vet'?
What is the role of the 'owner' in the script 'A visit to the vet'?
What is a scene in the script 'A visit to the vet'?
What is a scene in the script 'A visit to the vet'?
What is the primary function of sensory memory?
What is the primary function of sensory memory?
What is the capacity of short-term memory?
What is the capacity of short-term memory?
What is the primary function of short-term memory?
What is the primary function of short-term memory?
What is the approximate time for rapid access in short-term memory?
What is the approximate time for rapid access in short-term memory?
What is the primary function of long-term memory?
What is the primary function of long-term memory?
What is the approximate time for slow access in long-term memory?
What is the approximate time for slow access in long-term memory?
What is the type of long-term memory that represents structured memory of facts, concepts, and skills?
What is the type of long-term memory that represents structured memory of facts, concepts, and skills?
What is the model that represents relationships between bits of information in semantic memory?
What is the model that represents relationships between bits of information in semantic memory?
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Study Notes
Memory
- Three types of memory functions: sensory memories, short-term memory or working memory, and long-term memory.
- Selection of stimuli governed by level of arousal.
Sensory Memory
- Buffers for stimuli received through senses.
- Three types: iconic memory (visual stimuli), echoic memory (aural stimuli), and haptic memory (tactile stimuli).
- Examples: sparkler trail, stereo sound.
- Continuously overwritten.
Short-term Memory (STM)
- Scratch-pad for temporary recall.
- Characteristics:
- Rapid access (~70ms).
- Rapid decay (~200ms).
- Limited capacity (7±2 chunks).
- Examples: phone numbers, random sequences.
Long-term Memory (LTM)
- Repository for all our knowledge.
- Characteristics:
- Slow access (~1/10 second).
- Slow decay, if any.
- Huge or unlimited capacity.
- Two types:
- Episodic memory: serial memory of events.
- Semantic memory: structured memory of facts, concepts, skills.
- Semantic LTM derived from episodic LTM.
Semantic Memory Structure
- Provides access to information.
- Represents relationships between bits of information.
- Supports inference through inheritance.
- Model: semantic network.
Models of LTM
- Semantic Network:
- Inheritance: child nodes inherit properties of parent nodes.
- Relationships between bits of information explicit.
- Supports inference through inheritance.
- Frames:
- Information organized in data structures.
- Slots in structure instantiated with values for instance of data.
- Type–subtype relationships (e.g., DOG-COLLIE).
- Scripts:
- Model of stereotypical information required to interpret situation.
- Script has elements that can be instantiated with values for context (e.g., script for a visit to the vet).
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