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CHAPTER 6 - PROCESS OF MEMORY (BRAIN REGIONS (Hippocampus (Consolidates…
CHAPTER 6 - PROCESS OF MEMORY
MULTI-STORE MODEL OF MEMORY
Sensory Memory
Raw information comes in
2 stores - Iconic & Echoic Memory
Iconic Memory - Visual Information
0.2-0.4 seconds worth of raw information
Echoic Memory - auditory information
3-4 seconds of raw information
Unlimited storage, but not permanent
Long-Term Memory
Potentially unlimited & potentially permanent
2 types: Implicit & Explicit
Explicit (Declarative)
Episodic Memory - memories from your life
Semantic Memory - facts about the world
Implicit Memory (Non-Declarative)
Classically Conditioned Memories
Procedural Memories
Short-Term Memory
Working Memory
7+-2 items - capacity
Extend capacity by using chunking
12-18 seconds - duration
Extend duration by using maintenance rehearsal
BRAIN REGIONS
Cerebral Cortex
Stores all explicit LTMs
Cerebellum
Processes procedural memories
If removed, struggle with things that involve muscle control
Hippocampus
Consolidates explicit LTMs - moves them from STM to LTM
Forms explicit aspects of emotional memories (e.g. if your house burns down, the hippocampus will form things like when & where of that memory)..
Works closely with amygdala
If removed, can't form new explicit LTMs, but they can form new implicit memories
If removed in a person with a phobia, they will experience fear, but they won't know why
Amygdala
Processes implicit emotional memories (e.g. how did you feel on that traumatic day?)
Forms classically conditioned memories.
Probably has a role with expressing emotions like fear and anxiety
If removed, a person can't learn to fear things or express fear.
If removed in a person in a person with a phobia, they will know that they should be afraid but can't actually show the emotion of fear