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Contents contributed and discussions participated by Daryl Bambic

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Daryl Bambic

THE BRAIN FROM TOP TO BOTTOM - 0 views

thebrain.mcgill.ca/...i_04_cr_peu.html

fear brain amygdala

shared by Daryl Bambic on 25 Jan 17 - Cached
  • Daryl Bambic on 25 Jan 17
     
    "Thus, the ability that our superior mental structures give us to voluntarily plan an emotional response suited to the situation is a wonderful complement to our system of rapid, automatic responses. The connections from the prefrontal cortex to the amygdala also enable us to exercise a certain conscious control over our anxiety. However, at the same time, this faculty can create anxiety by allowing us to imagine the failure of a given scenario or even the presence of dangers that do not actually exist."
Daryl Bambic

The two kinds of stories we tell about ourselves | - 0 views

ideas.ted.com/tories-we-tell-about-ourselves

#twitter narrative

shared by Daryl Bambic on 14 Jan 17 - No Cached
  • Our identities and experiences are constantly shifting
  • disparate pieces of our lives and placing them together into a narrative, we create a unified whole that allows us to understand our lives as coherent — and coherence, psychologists say, is a key source of meaning
  • narrative identity as an internalized story you create about yourself
  • ...9 more annotations...
  • divide their lives into chapters and to recount key scenes, such as a high point, a low point, a turning point or an early memory
  • interesting patterns
  • driven to contribute to society and to future generations, he found, are more likely to tell redemptive stories about their lives, or stories that transition from bad to good.
  • contamination story
  • less “generative,” or less driven to contribute to society and younger generations. They also tend to be more anxious and depressed
  • defined by growth, communion and agency.
  • edit, revise and interpret the stories we tell about our lives even as we are constrained by the facts
  • psychotherapist’s job is to work with patients to rewrite their stories in a more positive way.
  • this form of therapy is as effective as antidepressants or cognitive behavioral therapy.
Daryl Bambic

Self-Reg - Self-Reg with Dr. Stuart Shanker - 0 views

self-reg.ca/self-reg

self_regulation emotion

shared by Daryl Bambic on 14 Jan 17 - No Cached
  • Daryl Bambic on 14 Jan 17
     
    "Self-Reg." Self-Reg with Dr. Stuart Shanker. N.p., n.d. Web. 14 Jan. 2017. .
Daryl Bambic

The teenage brain | Science News for Students - 1 views

www.sciencenewsforstudents.org/...teenage-brain

brain teenage

shared by Daryl Bambic on 13 Jan 17 - No Cached
  • dopamine.
  • Dopamine levels in general peak during adolescence.
  • increased activity in the ventral striatum
  • ...27 more annotations...
  • prefrontal cortex’s ability to boss the brain increases with age.
  • reward system can outmuscle the master planner.
  • adolescent brain specifically evolved to respond to rewards so teens would leave behind the protection provided by their parents and start exploring their environment — a necessary step toward the independence they will need in adulthood.
    • Daryl Bambic
      Daryl Bambic on 03 Feb 17
       
      Evolutionary reward...the teen phase of development is what has pushed us forward with the new discoveries
  • So that’s why you have parents to act as your prefrontal cortex,” Frank jokes. Then, all too often, he says, “you reach adolescence and you don’t listen to your parents anymore.”
  • brain acts as the sculptor and chops away excess synapses. Scientists refer to this process as synaptic pruning.
    • Daryl Bambic
      Daryl Bambic on 03 Feb 17
       
      Great image of pruning as sculpting
  • If you have ever thought that the choices teenagers make are all about exploring and pushing limits, you are on to something
  • necessary phase in teen development
  • exploratory period.
  • Even laboratory mice experience a similar phase during their development.
  • Young mice that explore most tend to live longest
  • magnetic resonance imaging (MRI) scanner. The scanner relies on a powerful magnet and radio waves to create detailed images of the brains
  • Teens also can play games that require them to make choices,
  • observing and measuring which parts of the teens’ brains are most active
  • During the risk-taking and rewards-based tests, one region deep inside the brain shows more activity in adolescents than it does in children or adults, Crone says. This region, known as the ventral striatum, is often referred to as the “reward center”
  • Adolescents are particularly sensitive and responsive to influence by friends, desires and emotions, researchers say. It’s one of the hallmarks of this stage in life.
  • eel good” response helps explain why they often give in to impulsive desires.
  • to be shouting louder” between the ages of 13 and 17 than at any other time during human development.
  • prefrontal cortex, it’s the brain’s master planner.
  • brain is locked in a tug-of-war between the logical pull of the prefrontal cortex and the impulsive pull of the ventral striatum.
  • toward years of serious risk-taking
  • prefrontal cortex seems to lag in developing. It turns out this delay serves an important evolutionary function,
  • So it’s important that the master planner not be too rigid or restrictive during adolescence. Instead, it stays open to learning.
  • One of the processes involves axons, or fibers that connect nerve cells. From infancy, these fibers allow one nerve cell to talk to another. Throughout the teen years, fatty tissue starts to insulate the axons from interfering signals — it is a bit like the plastic that coats electrical cables.
  • In axons, the insulating tissue allows information to zip back and forth between brain cells much more quickly. It also helps build networks that link the prefrontal cortex with other brain regions, allowing them to work together more efficiently.
  • The second key process involves synapses. A synapse is like a dock between nerve cells. Nerve cells communicate by transmitting chemical and electrical signals. Those signals move through the synapses.
  • brain starts discarding many of these connections
  • So the brain strengthens the synapses it really needs and eliminates those that either slow things down or aren’t useful.
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