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CU DENVER / Psychology / PSYC 1000 / What is the chemical responsible for mood, memory, appetite, and cogni

What is the chemical responsible for mood, memory, appetite, and cogni

What is the chemical responsible for mood, memory, appetite, and cogni

Description

School: University of Colorado Denver
Department: Psychology
Course: Introduction to Psychology
Professor: Alex northcutt
Term: Fall 2016
Tags:
Cost: 25
Name: Actions of a Ligand
Description: These notes cover the actions of a ligand, some parts of neurotransmitters, and chemicals in the brain.
Uploaded: 09/20/2016
1 Pages 39 Views 2 Unlocks
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Cydney Tinsley


What is the chemical responsible for mood, memory, appetite, and cognition?



Psychology

Week 5: Actions of the Ligand

Actions of the Ligand

1. The Limbic System

a. Phineas Gage

i. Involved in an accident where a pike went through his chin and  up out through his brain. Amazingly, he survived.

ii. They believed he severed his pre-frontal cortex, which has to do  with impulse control, as he completely changed temperaments. 2. Neuro-transmitters and Receptors cannot be described except for: a. GABA

b. Glutamate

3. GABA is inhibitory, meaning it inhibits the actions of a neuron. 4. Glutamate is excitatory, meaning it excites and activates neurons to fire an  action potential.

5. Acetylcholine: The chemical responsible for learning, memory, motor functioning and sleep-wake cycles.


Neuro-transmitters and receptors cannot be described except for?




What are the actions of the ligand?



6. Dopamine: The chemical responsible for reward/pleasure, compulsion, motor functioning, and mood.

7. Serotonin: The chemical responsible for mood, memory, appetite, and  cognition.

8. Actions of the Ligand

a. Agonist: Activates signaling and receptors. Can be endogenous or  exogenous. Don't forget about the age old question of What are the 4 main functions of the glycocalyx?

b. Antagonist: Binds to the same spot that an agonist would but blocks it  so that a future agonist cannot use it. Antagonists do not activate  receptors.

c. Exogenous: Something created from the outside of the body, (i.e.,  drugs). If you want to learn more check out What is the definition of octet rule?
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d. Endogenous: Something made inside the body.

e. Mesolimbic Dopamine Pathway: Sends dopamine signaling from VTA to  Prefrontal Cortex. Promotes behavior beneficial for survival, (i.e.,  eating, sleeping, sex, etc.)

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