Lecture+13+Aging+and+Frontal+Function

Lecture+13+Aging+and+Frontal+Function - Not all Cognitive...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Not all Cognitive Functions Decline Identically Cross sectional data - 700 subjects - age vs performance (Wilson et al Psychol and Aging 2002) Word generation - “list as many words as you can beginning with the letter B” Working Memory - Information held in short term memory “buffer” Both are frontal functions that decline with age
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Explanations of “Cognitive Aging” General, Nonspecific: “Slowing” More Specific Working Memory/ Executive Deficits More Specific Structural and Functional Brain Changes More Specific Individual differences Behavior Brain Structure Brain Function Compensation Explanations of “Cognitive Aging” General, Nonspecific: “Slowing” More Specific Working Memory/ Executive Deficits More Specific Structural and Functional Brain Changes More Specific Individual differences Behavior Brain Structure Brain Function Compensation
Background image of page 2
3 What is “Executive Function”? Generation and use of strategies to solve problems Organization of information Working memory Inhibition of processes unrelated to the task Dual task performance (“multi-tasking”) Shifting Sets (Wisconsin Card Sort) Initiating behavior Stroop Interference GREEN RED BLUE RED GREEN BLUE RED RED GREEN BLUE BLUE RED BLUE GREEN RED BLUE GREEN RED Maintain task goal Implement Strategy Inhibit Inappropriate (Prepotent) Response
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Age and Stroop Performance AGE GROUP 0 3 6 9 12 15 18 21 24 15-19 20s 30s 40s 50s 60s 70s 80s 5-9 10-14 Total N = 1129, Range 42 to 259 Time (higher = worse) Interesting data, but why? Are older people just slower?
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/20/2010 for the course NEUROSCIEN Neuroscien taught by Professor Jagust during the Fall '09 term at École Normale Supérieure.

Page1 / 20

Lecture+13+Aging+and+Frontal+Function - Not all Cognitive...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online