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Transcript of Brain Development
Brain Development Wrap Up Questions References Most behavior changes in adolescence are due to hormones.
The brain is fully developed in the first three years of life.
The average teen needs 9.25 hours of sleep each night.
After age 12, adults don’t have much influence on a child’s development. Birth to 3: Rapid intellectual, emotional and physical growth of brain and brain “wiring”
By age 6: 95% of brain development complete
Preteens (10-12 years): 2nd major brain growth spurt
Adolescence (13-20’s): Pruning and organizing, especially in the frontal cortex Build a Brain Activity! a POP quiz
true or false: Brain Development Timeline Significant Parts of the Brain birth 10 6 (cc) image by jantik on Flickr 3 Rapid intellectual, emotional and physical growth of brain and brain “wiring” 95% of brain
complete 2nd major brain
growth spurt 20's Teen Brain Development Planning, strategizing, initiative, creative thought & problem solving
Behavior & judgement
Attention and reflection
Coordination of movement
Sense of smell & some eye movements
Muscle Movements, skilled movements & some motor movements
Libido Specific Functions of the Frontal Lobe Specific Functions of the Temporal Lobe Auditory, visual, & other memories
Some vision pathways
Some behavior and emotions
Sense of identity Sense of touch (tactile sensation)
Appreciation of form through touch
Response to internal stimuli
Sensory combination and comprehension (temperature, pain, taste)
Some language and reading functions
Some visual functions Specific Functions of the Parietal Lobe Specific Functions of the Occiptial Lobe Vision
Reading Meet Amygdala,
AKA the emotional brain Quick emotional responses
Seeks pleasure in the form of novelty, excitement and risk In the teen years, this dominates as the prefrontal cortex is not ready to take charge. Balance & posture
Cardiac, respiratory, & vasomotor centers Specific Functions of the Cerebellum Specific Functions of the Brain Stem Motor & sensory pathway to body & face
Vital centers: cardiac, respiratory, vasomotor For teen behavior, this means… Lack of “common sense”
Thinking that seems rigid
Decisions that seem irrational
Disorganization everywhere Frontal Lobe Application: Keep communicating with older 4-Hers
Listen with an open mind (teens come up with wonderful new 4-H ideas)
Encourage independent thought and behavior (Planning a 4-H Awards night)
Support- Provide guidance w/ planning a 4-H awards night
Assist with problem solving but don’t take over
Help them identify their feelings and the feelings of the group For teen behavior, this means… Impulsiveness
Inadequate emotional control
Seeks out risks Temporal Lobe Application:
Encourage Healthy Risks During Teen Years Clubs & organizations (4-H County Ambassadors, yearbook, speech/debate team)
Creativity (4-H Projects, teaching at 4-H Project Activity Day)
Volunteering (leadership positions on 4-H Leaders’ groups & Extension Advisory Councils) For teen behavior, this means… Feeling awkward about one’s body (Make sure there is privacy at overnight 4-H events)
Strong romantic/sexual drive, without the mature ability to regulate (4-H provides a place to navigate these feelings in a safe environment-judging teams)
Alternating between high expectations and poor self-confidence (4-H provides a positive experience to get reinforcing feedback-conference judging)
Greater ability to do work
Tendency to return to childish behavior Video One Discussion: 12:00 With your 12:00 appointment please discuss:
1)How might you use this video & information in your work?
2)How could you use this video and information with your 4-H Volunteers?
3) With educators and parents? Video Three Discussion: 6:00 With your 6:00 appointment please discuss:
1)What key points does Dr. Jensen give to share with teens and their parents/caregivers?
2)How does belonging to 4-H enhance the “golden period of development” that teens are in?
3)Knowing this is a “fact based generation”, how do we design 4-H youth development information to fit this group? Video Two Discussion: 3:00 With your 3:00 appointment please discuss:
1)What is your reaction to this new research?
2)Should we do anything in 4-H regarding the information that myelination may occur in girls brains 2-3 years earlier than boys?
3)How would you share the addiction information with teens in your community? With your 9:00 appointment please discuss:
1)When thinking about how brain development applies to 4-H, what are some practical applications?
2)What additional resources could you use to utilize this information?
Pick a spokesperson to share your information with the large group. Col, J. & Spector, M. (1993). Structure & functions. Enchanted Learning, updated 2001-2010. http://www.enchantedlearning.com/subjects/anatomy/brain/Structure.shtml Dr. Frances Jensen, Youtube videos: The Teenage Brain: http://www.youtube.com/watch?v=RpMG7vS9pfw
Haas, A., (2010). The teen brain: A work in progress. Presentation, University of Wisconsin Extension. http://www.uwex.edu/ces/4h/ncrvd/documents/e-ForumSession1PPTHandout.pdf Smith, R.(2012). Brain image. Science Kids, updated Feb. 8, 2012. http://www.sciencekids.co.nz/pictures/humanbody/cerebrumdiagram.html