Human nervous systems • Central  nervous  system  (CNS)  

• Brain  •  Spinal  cord  

• Peripheral  nervous  system  (PNS)  • Autonomic  nervous  system  (ANS)  

•  Sympathe;c  branch  •  Parasympathe;c  branch  

•  Soma;c  nervous  system  

   

Autonomic nervous system    Sympathe;c  nervous  system  

• Fight-­‐or-­‐flight  response  

Parasympathe;c  nervous  system  • Rest  and  digest  

References •  Applegate,  J.,  &  Shapiro,  J.  (2005).  Neurobiology  for  clinical  social  work.  New  York:  W.  W.  Norton.  

 •  Cozolino,  L.  (2014).  The  Neuroscience  of  human  rela7onships:  A;achment  and  the  developing  social  brain.  New  York:  W.W.  Norton.  

 •   MaSo,  H.,  &  Strolin-­‐Goltzman,  J.  (2010).  Integra;ng  social  neuroscience  and  social  work:  Innova;ons  for  advancing  prac;ce-­‐based  research.  Social  Work,  55(2),  47-­‐56.  

   •  Nelson,  C.  A.  (2011).      Neural  development  and  lifelong  plas;city.  In  D.  P.  Kea;ng  (Ed.),  Nature  and  nurture  in  early  child  development  (pp.  43-­‐69).  New  York:  Cambridge  University  Press.  

Overview • Neurons:  Nerve  cells  •  Synapses:  Spaces  between  neurons  •  Axons:  Send  messages  

•  Covered  with  myelin  sheaths  (with  development),  which  promote  communica;on  

• Dendrites:  Receive  messages  • Glia:  Cells  of  the  brain;  have  increased  thru  evolu;on  (construc;on,  organiza;on,  maintenance  of  neural  systems    

• NeurotransmiSers:  Chemical  messengers  •  Electrical  impulses  cannot  cross  the  cleb  •  Carry  informa;on,  data  

•  Receptors:  Protein  molecules  on  the  postsynap;c  membrane