Non associative and associative memory II (4/12)

Question 1

Do lesions in the striatum disrupt procedural memory or declarative memory?

Answer 1

Procedural memory

Question 2

What is the outcome in mice when you modify the radial arm maze and while there is damage to the striatum?

Answer 2

• Impaired performance of modifed task

Question 3

What is the ‘Weather control task’?

Answer 3

• People with dementia able to perform task quite well
• Parkinson’s patients w/ damage in striatum couldn’t perform task still had declarative memory)
• Amnestic patients able to perform task with no memory of doing it

Question 4

Which part of the striatum can an engram move to?

Answer 4

Dorsolateral striatum

Question 5

What is non-asssociative implicit learning?

Answer 5

• Learning doesn’t require association
• Get a long term change in response to stimulus e.g. Aplysiacalifornica (info in another lecture of its gill siphon retraction)

Question 6

How does habituation occur in the Aplysia Californica?

Answer 6

• Touch its gill many times, it will stop responding as in stop the retraction of its gill and siphon
• Can reinstate response with a mild foot shock