Notices
Results 1 to 5 of 5

Thread: Question about brain function

  1. #1 Question about brain function 
    Forum Freshman
    Join Date
    Sep 2009
    Location
    USA, TN
    Posts
    24
    I was just wondering how the brain changes enzymes brought through the blood-stream into electrical pulses.


    "I don't know what weapons will be used in World War Three, but World war four will be fought with sticks and stones."
    -Albert Einstein

    "A foolish consistency is the hobgoblin of little minds"
    -Ralph Waldo Emerson

    http://www.religiouscartoons.net/dis...album=4&pos=10
    Reply With Quote  
     

  2.  
     

  3. #2  
    Forum Cosmic Wizard spuriousmonkey's Avatar
    Join Date
    May 2005
    Posts
    2,191
    does the brain change enzymes in the blood stream into electric pulses?

    It really doesn't ring a bell. Maybe you formulated something in a strange manner that I don't recognize what you are talking about, or are you just making it up?

    can you reformulate?


    "Kill them all and let God sort them out."

    - Arnaud Amalric

    http://spuriousforums.com/index.php
    Reply With Quote  
     

  4. #3  
    Forum Freshman
    Join Date
    Sep 2009
    Location
    USA, TN
    Posts
    24
    sorry, i guess what i am really trying to ask is; how does our body create electrical pulses which our brain uses to relay information throughout the body.
    "I don't know what weapons will be used in World War Three, but World war four will be fought with sticks and stones."
    -Albert Einstein

    "A foolish consistency is the hobgoblin of little minds"
    -Ralph Waldo Emerson

    http://www.religiouscartoons.net/dis...album=4&pos=10
    Reply With Quote  
     

  5. #4  
    Forum Freshman electricant's Avatar
    Join Date
    Sep 2006
    Posts
    89
    Nerve cells (neurons) spend a lot of time and energy pumping ions (Na+, K+, Ca2+, Cl- etc) across the cell membrane. The result of all this pumping is that the membrane becomes polarised, in effect there is a slight +ve charge outside the cell and a slight -ve charge inside.

    Signals pass from one neuron to another at specialised sites called synapses. Here one cell releases a neurotransmitter (such as acetylcholine), which diffuses the short distance to the next cell membrane where it binds specialised receptors. These receptors then open up ion channels which cause the cell membrane to depolarise. The depolarisation then passes in a wave along the neuron until it reaches a synapse with another cell, where it in turn releases neurotransmitters to allow the signal to carry on.
    Reply With Quote  
     

  6. #5  
    Time Lord
    Join Date
    Apr 2008
    Posts
    5,328
    Think of it as electrochemical. More like a battery than a wind-turbine.
    A pong by any other name is still a pong. -williampinn
    Reply With Quote  
     

Bookmarks
Bookmarks
Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •