Working Memory

Question 1

What is the role of the prefrontal cortex?

Answer 1

1. Dorsolateral deals with central executive:
   - Left is manipulation
   - Right is monitoring
2. Ventrolateral deals with encoding and retrieval:
   - Left is phonological loop (only verbal info)
   - Right is visa-spatial sketchpad

Question 2

What are the primacy and recency effects?

Answer 2

1. Primacy - At the beginning the memory system still has enough space to transmit the information from STM to LTM
2. Recency effect - The item is still available from STM

Question 3

What are the three stages of working memory?

Answer 3

1. Registration
2. Storage
3. Retrieval

Question 4

What is the Atkinson-Shiffrin Model of memory?

Answer 4

1. Sensory memory sends info to STM

2. STM and LTM interchange via storage and retrieval

Question 5

Clinical perspectives

Answer 5

Schizophrenia and ADHD - Lack of dopamine leads to dysfunction of the prefrontal cortex