Concept of experise & neural basis

Question 1

Normal processing limitation

Answer 1

Working memory (7±2)

Question 2

Circomvent by skilled memort

Answer 2

Chunking and hierarchical retrieval structures

Question 3

Chess expertise: De Groot, Chase & Simon

Answer 3

With game positions
* Grandmasters are close to 100%
* Experts are close to 70%
* Amateurs are below 40%

Question 4

Neural correlates of expertise

Answer 4

Neural plasticity
Stimulating input leads
to changes in cortical
representation

Question 5

Visual expertise: face processing

Answer 5

Fusiform face area

Debate about the role of FFA:
* Face-selective region
* Visual expertise

Question 6

FFA increases with expertise

Answer 6

Greabels study
But greebels not a ideal paradigm because before training FFA already react

Question 7

Different types of visual expertise

Answer 7

Domain general and domain specific neuarl changes underly visual expertise

Mineral vs bird expert example

Question 8

Maximum adaptation in expert-typing

Answer 8

Transition-Speed in Novices: Doubles < Within-Hand < Between-Hand

Transition-Speed in Experts: Between-Hand < Within-Hand < Doubles