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Understanding Your Reactions
John DeGonda
YOUR BRAIN, EMOTIONS, AND YOU
• Teen brain is effecting everything from schoolwork, sleep patterns, and teen’s taking risks.
• Pre Frontal cortex developing is the last to happen in a brain
• Frontal Lobe: associated with planning, decision-making, impulse control, memory, language, attention, and more
• Teens make quick impulse reactions sometimes with out thinking
• Teens act on impulses
• Testosterone surges during puberty and teens have the emotions of anger and sadness
• Hormones are not the cause of all teenage behavior
• Teenagers judgment still developing may explain the risk taking and emotions
• Teenage risk behaviors is high• Teens want to fit in with peers• Teenagers are very influenced by the media
THE TEEN BRAIN
• The teenage brain is not just an adult brain with fewer miles on it
• Adults and teenagers are using different parts of their brain to think about problems.
• Teens read facial expressions differently then adult
• Teens read anger on someone's face when they are really shocked
• Teens take more risks because they don’t for see the results as adults do
ADULTS VS. TEENS
• The sympathetic nervous system has an active "pushing" function
• The sympathetic nervous system activates what is often termed the fight or flight response
• These include pupil dilation, increased sweating, increased heart rate, and increased blood pressure
• Diverts blood flow away from the gastro-intestinal (GI) tract and skin via vasoconstriction.
• Blood flow to skeletal muscles and the lungs is enhanced (by as much as 1200% in the case of skeletal muscles).
• Dilates bronchioles of the lung, which allows for greater alveolar oxygen exchange.
• Increases heart rate and the contractility of cardiac cells (myocytes), thereby providing a mechanism for the enhanced blood flow to skeletal muscles.
• Dilates pupils and relaxes the ciliary muscle to the lens, allowing more light to enter the eye and far vision.
• Provides vasodilation for the coronary vessels of the heart.
• Constricts all the intestinal sphincters and the urinary sphincter.
• Inhibits peristalsis.
AUTONOMIC RESPONSES
• The limbic system operates by influencing the endocrine system and the autonomic nervous system.
• The James-Lange theory, conversely, asserts that first we react to a situation and then we interpret our actions into an emotional response. In this way, emotions serve to explain and organize our own actions to us.
• Arousal is important in regulating consciousness, attention, and information processing. It is crucial for motivating certain behaviors, such as mobility, the pursuit of nutrition, the fight-or-flight response
• It is also very important in emotion, and has been included as a part of many influential theories such as the James-Lange theory of emotion
LIMBIC SYSTEM & EMOTIONS
EMOTIONAL AROUSAL
MOVIE TIME!
• Emotions in the Brain
• http://www.youtube.com/watch?v=K9BErDQF3CU&feature=email
• How the Body Works : Center of Emotion and Memory
• http://www.youtube.com/watch?v=lZ4mdXAtnEs&feature=email
• How the Body Works : Physical Responses to Emotion
• http://www.youtube.com/watch?v=SS_qMHPI0XM&feature=email
• Brain Anatomy
• http://www.youtube.com/watch?v=Li5nMsXg1Lk