1. IB Psych 10/10/17 Today’s Agenda:
Turn in:
Nothing
Take out :
Writing Implement
NOTES
Learning Outcomes Chart
Textbook?
Today’s Learning Objectives (not exclusive):
#5. I can explain one study related to localization of function in the brain.
#6. Using one or more examples, explain effects of neurotransmission on human behavior.
#7. Using one or more examples, explain effects of hormones on human behavior.
Today’s Agenda:
Neurotransmitters vs. Hormones: what’s the difference?
Neuroplasticity
HW:
NONE (Videos if we don’t get to them…)

2. Chemical Communications: Neurotransmitters & Hormones
Each cell is an isolated entity
Need to communicate with other cells in order to coordinate activity
Also needs to communicate internally organelles need to coordinate activity
Communicate by exchanging molecules
3 types of molecules: Receptors, chemical messengers, secondary messengers

3. Communication Molecules
Receptors
Proteins on the surface of cells embedded in the cell membrane
Chemical Messengers (ligands)
Interact with receptors
Fit into receptor sites like lock-and-key
Secondary Messengers
Carry the message from receptor to inside cell
Amplify the message

4. Some Terminology Neuron – a nerve cell
Neurotransmitters – compounds that carry messages from one neuron to another or from one neuron to some other cell
Example – Acetylcholine (Ach), Dopamine, GABA, Norepinephrine, Serotonin,
Hormones – communication molecules secreted by endocrine glands
Example – Adrenaline, Melatonin, Oxytocin, Leptin, Insulin

5. Ways Drugs Affect Cell Communication
Antagonist – a drug that blocks the receptor and prevents its stimulation
Agonist – a drug that competes with the messenger for the receptor site, stimulating the receptor
Some drugs decrease concentration of the messengers by controlling their release
Others increase concentration of the messengers by inhibiting their removal

6. Neurotransmission

7. Hormones
Diverse compounds secreted by endocrine glands, released into bloodstream, and adsorbed onto distant receptor sites
Some compounds can be both!

8. Uh…ok, so what’s the difference?!?
Time
Distance

9. How is it that we learn? Is it genetic?
Is it a product of your environment?
If we are motivated, work hard, and remain persistent, can we improve our learning?
Is this different than intelligence?
What is it that allows for our learning to develop?

10. Neuroplasticity: Another possible Learning Outcomes… #8
Neuroplasticity: Another possible Learning Outcomes… #8. Discuss two effects of the environment on physiological processes.
Term used to describe the changes in neural pathways and synapses due to changes in behavior, environment, thinking, emotions, as well as changes resulting from bodily injury.  
Therefore, the environment is only one of the factors that may lead to neuroplasticity.
Maguire, et al. (2000) “London Taxi Drivers”

11. Videos: Neuroplasticity (2): https://youtu.be/ELpfYCZa87g
London Cab (2):   ure=player_embedded
Jody (6):  
Cameron (5):