Cognitive: Contemporary Study - Sebastian & Hernandez-Gil (2012)

Question 1

What is the 1st aim?

Answer 1

Investigate development of phonological in children between 5-17yrs using digit span to measure phonological capacity.

Question 2

What is the 2nd aim?

Answer 2

Check decline of digit span in older people with dementia.

Question 3

What is the 3rd aim?

Answer 3

See whether digit span is higher for Spanish speakers than English speakers.

Question 4

Sample of 1st part of study?

Answer 4

570 Spanish native volunteers from schools in Madrid.

Question 5

IV of the 1st part of study?

Answer 5

Age of P’s.

Question 6

DV of the 1st part of study?

Answer 6

Digit span.

Question 7

Procedure of 1st part of study?

Answer 7

• Split into 5 dif age groups (pre-school to secondary), avg digit span recorded for each age and age group.
• P’s were read out digit list to recall in correct order (a digit a second).
• Correct recall increased list by a digit which they had to recall again.
• This repeated until mistake was made.

Question 8

Results of the 1st part of study?

Answer 8

2.07 dif in avg digit span between 5 and 17yrs.

Question 9

Sample of 2nd part of study?

Answer 9

• 25 older healthy control group
• 25 with Alzhiemer’s disease
• 9 with Frontotemporal dementia

Question 10

Results of the 2nd part of study?

Answer 10

Avg digit span…

• Alzheimer’s = 4.20
• Frontotemporal = 4.22
• Healthy older control = 4.44

Question 11

Overall results?

Answer 11

1. Digit span increases from ages of 5 to 17 due to development of phonological loop.
2. Digit span not sig effected by alzhiemers.
3. Polysyllabic languages, e.g. Spanish, have lower digit span than monosyllabic languages, e.g. English.