Tangled wing presentation

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Tangled wing presentation

  1. 1. The  Tangled  Wing Chapter Four The Fabric of Meaning Alison  et  Claire
  2. 2. Overview— When  the  brain  starts  to   grow,  billions  of  neurons   must  be  born — 100,000  a  minute  by  the   division  of  parent  cells— Within  the  neurons — Dendrites  receive — Axons  transmit
  3. 3. Brain  Development— Is  not  random,  yet  it  is   impossible  to  predict— Tiny  differences  at  the   start  are  amplified  with   time. — Chaos  in  the  formal  sense— It  is  fast,  orderly,   amazingly  complex,  and   miraculous
  4. 4. Brain  Development— During  development,   spines  along  the   dendrites  form — Can  be  changed  either   by  genes  or  by   experience— Brain  development  is  a   combination  of  both
  5. 5. Genes— In  early  stages,  genes   determine  most  of  the   brains  development — Shape  forms— Genes  give  the  brain  a   predetermined  structure   and  design  based  on  the   genetic  material  from   parents.  — Tay-­‐Sachs  Disease  is  an   example  of  how  important   genes  are  for  brain   development.  
  6. 6. Experience/Environment— Environmental   enrichment— How  the  Brain  is   affected  by   stimulations
  7. 7. Theories— Purves— Changeux— Edelman— Goodwin  and  Kauffman
  8. 8. Conclusion— No  simple  construct  will   explain  how  the   dissimilar  tasks  of  brain   development  are  shared   between  genes  and   environment.  — However,  in  any  analysis   of  human  nature,  neither   can  be  ignored.  
  9. 9. Fin

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