Executive Function and Context
Introduction to Executive Function
Personal anecdote: Difficulty learning to drive as an adult.
Driving requires conscious and deliberate decision-making.
Cognitive scientists explain this as heavy use of executive function.
What is Executive Function?
Definition: The ability to consciously control thoughts, emotions, and actions to achieve goals.
Examples of using executive function:
Breaking away from habit.
Inhibiting impulses.
Planning ahead.
Executive function is most noticeable when it fails.
Lapses in Executive Function
Common examples:
Pouring orange juice on cereal.
Missing a meeting due to social media scrolling.
Driving home on autopilot instead of stopping at the store.
These lapses are often called absentmindedness but are actually failures of executive function.
Importance of Executive Function
Executive function is used daily in all aspects of life.
Research over 30 years shows it predicts positive outcomes:
Social skills.
Academic achievement.
Mental and physical health.
Financial success (making and saving money).
Avoiding incarceration.
Researchers are interested in understanding and improving executive function.
Misconceptions About Improving Executive Function
Executive function has become a self-improvement buzzword.
Common beliefs:
Brain-training apps and computer games can improve it.
Practicing it in specific ways, like playing chess, will enhance it.
Researchers are trying to train it in the lab to improve intelligence.
The speaker argues that this approach is flawed.
The Role of Context
Brain training improves executive function narrowly, not broadly.
Mastering an app won't prevent real-world lapses like pouring orange juice on cereal.
Improving executive function requires understanding the influence of context.
The Dimensional Change Card Sort Task
Description: A lab test for measuring executive function in young children.
Task: Sorting cards by one attribute (e.g., shape) and then switching to another (e.g., color).
Challenge: Young children struggle to switch, often persevering with the initial sorting method.
Real-World Application of Executive Function
Real-world situations require more than simple switching tasks.
Examples:
Switching from addition to multiplication.
Transitioning from play to tidying up.
Considering others' feelings instead of one's own.
Success depends on motivation, peer influence, and effective strategies.
Context significantly influences executive function.
Marshmallow Test and Context
Classic marshmallow test: Measures delay of gratification, involving executive function.
Choice: One marshmallow immediately or two after waiting.
The key metric: How long can children wait?
Experimental Twist: Group Influence
Children were assigned to a group (e.g., the green group) and given a matching T-shirt.
Information provided: "Your group waited for two marshmallows; the orange group did not," or vice versa.
Observation: The duration children waited was recorded via webcam.
Findings: Peer Influence
Results: Children who believed their group waited were more likely to wait themselves.
Conclusion: Peer influence impacts the ability to delay gratification.
Deeper Investigation: Values and Preferences
Follow-up: Children were shown pairs of kids, one preferring immediate gratification and the other preferring to wait.
Question: Which child do you like more, and who would you want to play with?
Results: Children who believed their group waited preferred kids who also liked to wait.
Interpretation: Group affiliation shapes values related to delayed gratification.
Strategy use: These children used strategies to help themselves wait, like sitting on their hands or singing a song.
Conclusion: Context Matters
Executive function isn't just good or bad; context influences its effective use.
Example: Learning Spanish
Change the context by surrounding yourself with like-minded people.
Increased motivation to use executive function.
Example: Helping a child with math homework
Teach strategies to use executive function.
Putting away the phone before studying.
Planning a reward after an hour of studying.
Final Thoughts
Executive function is complex and influenced by numerous factors.
To improve executive function:
Focus on context.
Increase motivation.
Use targeted strategies.
Ancient Greek wisdom: "Know thyself," including how context shapes behavior.