Neurochemistry & Neurocomputing

PSY 511.003

2025-02-13

Prelude

Announcements

• Exercise 03 write-up due yesterday.
• Exercise 04 write-up due next Wednesday, February 19

Last time…

• How the action potential begins…
• How it propagates down…
  • Unmyelinated axons
  • Myelinated axons
• How it triggers synaptic transmission

What event(s) (and where) initiate the action potential?

How does the action potential propagate down unmyelinated axons?

How does the action potential trigger synaptic transmission?

Today’s topics

• Neurochemistry
  • Neurotransmitters
  • Hormones

Neurochemistry

Link to resources/neurochemistry

Monoamine Song

https://en.wikipedia.org/wiki/Mah_Nà_Mah_Nà

Monoamine Song

Monoamines, do-do do do-do
Monoamines, do do do-do
Monoamines, do do do do-do do do-do do do-do do do do do-do do

Monoamine Song

Monoamines, do-pa-mine is one
Monoamines, norepi, too
Monoamines, sero-tonin e-pinephrine, dop-a-mine, nor-epinephrine, melatonin, whoo!

Monoamine Song

Monoamines, mod-u-late neurons
Monoamines, throughout the brain
Monoamines, keep people happy, brains snappy, not sleepy, not sappy, do-do do-do do-do do

Main points

• What substance +
• Where released +
• What receptor =
• Physiological effect
• Chemical communication ancient

Next time…

• Methods in neuroscience

Resources

References