Cognitive Psych Lecture 9 Representation of Knowledge

Question 1

What are the different types of Knowledge?

Answer 1

Procedural, declarative, episodic, semantic

Question 2

What is procedural knowledge?

Answer 2

1. Knowledge about HOW WE DO SOMETHING steps and processes (how we solve a puzzle)
2. Knowledge that is acquired through REPEATED PRACTICE and exposure

3.Once it is acquired it is HARD TO GET RID OF that knowledge (extinguish)

Question 3

What is declarative knowledge?

Answer 3

1. Knowledge about FACTS AND EVENTS
2. Knowledge that is acquired through ORGANIZATION
3. EASILY FORGOTTEN - Not as permanent or as stable as procedural knowledge

Question 4

Declarative knowledge is split up into what 2 categories of memory/knowledge?

Answer 4

Episodic and semantic

Question 5

What is episodic memory/ knowledge?

Answer 5

1. Autobiographical: Knowledge about things which YOU have experienced - based on your own experiences
2. Temporal tags - These memories have some type of time tag to them REMEMBER WHEN THINGS HAPPEN (remember when you bought your first car, have a general time of that)

Question 6

What is semantic memory/ knowledge?

Answer 6

1. Factual memory - memory which you have picked up in many ways (memory for words, memory for concepts)
2. Although you may have learned things at a certain time, they are not explicitly linked to your own experience of having learned it

Question 7

Is semantic memory for the most part permanent?

Answer 7

Yes

Question 8

What areas of the brain are more active with semantic memory?

Answer 8

lateral temporal lobes, posterior prefrontal cortex

Question 9

What areas of the brain are more active with episodic memory?

Answer 9

hippocampus and anterior prefrontal cortex

Question 10

Is semantic memory highly organized or unorganized?

Answer 10

Organized