005 introduction to NSB

Question 1

what are the 3 main concepts of the nervous system from the 19th century?

Answer 1

1. functional localisation within the brain
2. the neurone doctrine
3. nerves conduct signals electronically and chemically

Question 2

what is the functional localisation of the brain?

Answer 2

• it was found that specific regions of the brain are developed for specific tasks e.g. hippocampus for memory

Question 3

what is the neurone doctrine of the brain?

Answer 3

• golgi stain was developed to stain neurones
• fluorescent tags are also used now to show the full extend of the neuronal connections spanning our entire bodies

Question 4

what is the overview of neuronal connections?

Answer 4

• electrical signals cause release of chemicals at synapses between neurones to continue the electrical impulse to cause an action