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Lecture 6

PSYC 3260 Lecture Notes - Lecture 6: Eidetic Memory, Autobiographical Memory, Prefrontal Cortex


Department
Psychology
Course Code
PSYC 3260
Professor
Casperde Boer
Lecture
6

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Chapter 6
Coding in memory
- Visual coding both working memory and LTM
- Auditory coding: predominant type in working memory
- Semantic coding: predominant type in LTM
- Semanticization of memories
Memory in the brain
- Working memory
o Dorsal lateral prefontal cortex
o Prefrontal cortex
o Visual cortex
- Long-term memory
o Medial temporal lobe
o Hippocampus
o Amygdala
Limbic system:
Hippocampus:
- Not the main system of memory but better referred to as the hub for
accessing memory
- Memory formation (encoding), especially long-term memories.
- Alzheimers disease.
Amygdala:
- Modulation of memory formation
- Emotional arousal
The differences between STM and LTM goes beyond the systems but also involves
coding in the brain
Long-term memory:
Episodic Semantic Procedural
Episodic Vs. Semantic
Episodic memories:
o Mental time travel.
o Remembering events.
o Parietal lobe is important
Semantic memories:
o Knowing facts
o Knowing that the capital city of Canada is Ottawa
Interactions; episodic and semantic memories:
- Knowledge affects experience, ex. Watching a game when you understand the
rules rather than a game that you do not understand
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- Autobiographical memory, you can remember events, as well as factual
knowledge about those events
- Semanticization of memories: the longer time passes, the more likely we are
to remember only the facts (study of people remembering 911,
remembering vs knowing vs not knowing)
- Eidetic memory: able to remember every single aspect of events in their life
and they will not fade over time. The memories will stay episodic rather than
fading away to semantic
Episodic & Semantic memories are explicit
Procedural memory is implicit
Procedural Memory
- Procedural memory = skill memory:
- Performing physical or cognitive actions
- Well memorized (almost unconscious)
o Playing basketball
o Having a conversation (following grammatical rules)
- Memory can transfer in procedural memory over time and practice
Priming & Conditioning
- Priming:
- the presentation of one stimulus (priming) changes our response to another
stimulus (test).
o Example:
Repetition priming.
Propaganda effect.
- Conditioning:
- Pairing a neutral stimulus with a stimulus that naturally elicits a response
- Over time, the neutral stimulus will elicit the same response
o Pavlovs dogs
Process models of memory
Input Sensory memory STM  LTM (Explicit & Implicit)
Chapter 7
Long-term memory processes:
- Encoding: acquiring information and transferring in to long-term memory
o Levels of processing theory
o Better memory is associated with encoding that is based on meaning
and making connections
- Techniques that aid encoding:
o 1. Forming visual-images:
o Visualizing information creates meaning (imaging a boat and a tree
rather than just repeating them)
o Paired associate learning
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