Class 09: Memory III: The Physiology of Memory &
Systems-Types of Memory
This page was last modified on Sept 14, 2021
YouTube Video (2'43") explaining in greater detail what Kandel discovered in working with the sea snail.
Memory Organization: How is our long-term memory organized?
= concepts joined together by pathways that link related concepts
(or Parallel Distributed Processing [PDP])
Model of Memory
• Actions & perceptual motor skills, e.g., riding a bike, driving a car, cooking a meal, etc.B. Declarative • “What is” Memory = Explicit, verbal, visual, auditory
• Implicit knowledge: how to solve a puzzle, how to fix a broken object
• Conditioned reflexes, e.g., responding to sounds or other signals
• Emotional memories: the feelings which were part of an experience
1. Semantic Memory: knowledge of the world, "facts" which are independent of any specific time
2. Episodic Memory: Personal, time-bound, recollections which are linked to a particular point in time
Tulving also talks about the notion of an ability unique
to humans which he calls "mental time travel"
or more formally "chronesthesia. (Article
from APA on this notion.)
this, he means