week 9 - long term memory - semantic vs episodic

Question 1

explicit memory
subsections

Answer 1

episodic and semantic

Question 2

implicit memory
subsection

Answer 2

procedural memory (skills)
priming
classic conditioning

Question 3

why divide memory further
explicit

Answer 3

episodic and semantic

theoretically different

Question 4

explicit memory
semantic memory
what

Answer 4

a persons knowledge about the world:

facts, cognitive skills
(eg. non verbal knowledge about gravity/ friction)

Question 5

explicit memory
semantic memory
organisation?

Answer 5

highly organised

eg. semantic networks - hierarchal networds, spreading activation model, scripts, schemas

Question 6

explicit memory
episodic memory
what

Answer 6

is a recollection of where and when events happened in ones own life (content and context)

involves some degree of semantic memory
(general world knowledge - what a holiday is)

Question 7

semantic memory
what kind of store?

Answer 7

general knowledge store

Question 8

semantic memory
what kind of retrieval?

Answer 8

retrieval without conscious recollection of when.where learned

Question 9

semantic memory
attached to specific time or place?

Answer 9

no

Question 10

semantic memory
what knowledge?

Answer 10

knowledge of facts, words

eg. what does googled mean
eg. who is the prime minister

Question 11

semantic memory
involvement in face recognition

Answer 11

yes

Question 12

episodic memory
attached to specific time or place?

Answer 12

yes

eg. first time you heard the word googled
eg. memory of a particular family gathering

Question 13

semantic and episodic memory
separate systems?

Answer 13

separate systems
but at time of learning and at the time of retrieval they systems interact and are interdependent

Question 14

can a episodic memory become a semantic memory?

Answer 14

yes

semanticisation

Question 15

semantic vs episodic
semantic dementia

Answer 15

impaired semantic memory

degeneration affecting the anterior temporal lobe (a specific type of frontal temporal dementia

(episodic - autobiographical- memory intact)

Question 16

semantic vs episodic
semantic dementia
test

Answer 16

hodges 1992
participant must produce standard factual information form three life epochs
(childhood, young adult, recent)
- name of school friends
- teachers, colleagues
- details of schools attended
- first job, wedding
this is semantic (facts we know)

then must relate personally experienced episodes (episodic memory) from the same periods which are then scored in a standard fashion for detail

Question 17

semantic vs episodic
semantic dementia
definitions test

Answer 17

impaired

Question 18

semantic vs episodic
double dissociation?

Answer 18

yes
semantic dementia (semantic impaired and episodic intact)

patient KC (semantic intact and episodic impaired)

Question 19

semantic vs episodic
Patient KC

Answer 19

motorcycle accident –> closed head injury
“kc could not produce a single episode from his past that was distinct in time and place”
- episodic impaired
photographs could not be related to life events
- semantic intact
people in photographs identified

KC has retained his knowledge of how to play chess although he cannot remember having played chess before