On to Neurons

Today we discussed the basic parts of a neuron:  axon, dendrites, cell body, and terminal.  To model the neuron, we all made neurons from string.  This is described on the Neuroscience for Kids modeling page. We also discussed different types of neurons based on their shape (e.g., multipolar, unipolar, bipolar) and function (e.g., sensory neurons, motor neurons, interneurons).  Using the one monk as a volunteered, I demonstrated the knee jerk reflex and described the sensory and motor neurons necessary for the response.

After tea, we started in on how a neuron generates an electrical response and how a neuron sends an action potential.  We discussed ion channels and I showed how sequential opening and closing of these ion channels generates an action potential.  We ended the lesson on how a signal from one neuron can get to another neuron, but we did not get very far in the discussion of chemical transmisson.

Later in the afternoon I held office hours which were attended by about 12 monks.  We discussed a wide range of topics including the possible influence of the full moon on behavior, the role of sodium and potassium ions in neurotransmission, sleep and dreaming, and the size and number of neurons.

Dinner tonight was Thukpa, a Tibetan noodle soup. I also have new "pet" in my room.