Brain And Its Functions Part 1 17203


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Brain And Its Functions Part 1 17203

  1. 1. Shared by Dr.K.Prabhakar Brain and Its Functions-Part 1
  2. 2. Presentation <ul><li>This slide show provides you information on basic facts about brain. </li></ul><ul><li>You may have to go the Part 2 for understanding about brain functioning and role of nurturing brain. </li></ul><ul><li>This presentation have been divided into four parts . </li></ul><ul><li>You have to go through it sequentially to understand Brain and its Functions in the context of Management disciplines in the absence of my intervention. </li></ul>
  3. 4. Early weeks crucial <ul><li>Human embryo - just 6 weeks after conception. </li></ul><ul><li>All the parts have been in place for two weeks, and brain waves are now detectable </li></ul>
  4. 5. NEURON
  6. 10. Brains of human and comparison with other animal brain
  7. 12. The Triune Brain <ul><li>Neocortex - Thought (including planning, language, logic & will, awareness) </li></ul><ul><li>Limbic System - Emotion (feelings, relationship/nurturing, images and dreams, play) </li></ul><ul><li>Reptilian Brain - Instinct (survival, breathing/swallowing/heartbeat, startle response) </li></ul><ul><ul><ul><ul><ul><li>Three Brains in One </li></ul></ul></ul></ul></ul>
  8. 15. Reptilian Brain <ul><li>The brain stem part of the brain, is the most ancient -- it evolved 500 million years ago and is more like the entire brain of present-day reptiles. </li></ul><ul><li>For this reason, it is often called the reptilian brain . </li></ul><ul><li>Various clumps of cells in the brain stem determine the brain's general level of alertness and regulate the vegetative processes of the body such as breathing and heartbeat. </li></ul>
  9. 16. Reptilian Brain <ul><li>The brain stem is the reptilian brain. It is a remnant of our prehistoric past. </li></ul><ul><li>The reptilian brain acts on stimulus and response. It is useful for quick decisions without thinking. </li></ul><ul><li>The reptilian brain focuses on survival, and takes over when you are in danger and you don’t have time to think. </li></ul><ul><li>In a world of survival of the fittest, the reptilian brain is concerned with getting food and keeping you from becoming food. </li></ul><ul><li>The reptilian brain is fear driven, and takes over when you feel threatened or endangered. </li></ul>
  10. 18. The Ancient Limbic System <ul><li>The modules that lie beneath the corpus callosum are known as the limbic system . </li></ul><ul><li>This area is older then the cortex in evolutionary terms and is also known as the mammalian brain because it is thought to have first emerged in mammals. </li></ul><ul><li>This part of the brain, and even that below it, is unconscious , and yet has a profound affect on our experience because it is densely connected to the conscious cortex above it and constantly feeds information upwards. </li></ul><ul><li>The limbic stem is the root of emotions and feelings. It affects moods and bodily functions. </li></ul>
  11. 19. The Ancient Limbic System <ul><li>Emotions, our most basic reactions, are generated in the Limbic system along with the many appetites and urges that help us behave in such a way to survive. </li></ul><ul><li>For instance, the Amygdala , is the place where fear is registered and generated. </li></ul>
  12. 21. NEOCORTEX <ul><li>The neocortex is the most evolutionary advanced part of your brain. </li></ul><ul><li>It governs your ability to speak, think, and solve problems. </li></ul><ul><li>The neocortex affects your creativity and your ability to learn. </li></ul><ul><li>The neocortex makes up about 80 percent of the brain. </li></ul>
  13. 22. End of Part 1