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Test 2: Psychopharmacology
NTs (pathways, receptors, anatomy), Drug Classification, Behavior Research
37
Pharmacology
Undergraduate 2
03/22/2010

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Term
NT: Acetylcholine Biosynthesis Pathway
Definition
Choline + Acetyl CoA---> Acetylcholine + CoEnzyme A
Produced by Motor Neurons
Term
Acetylcholine Biosynthesis: Enzyme
Definition
Choline Acetyltransferase
Term
NT: Acetylcholine
Degradation
Definition
Acetylcholine---> Acetic Acid + Choline
Term
Acetylcholine Degradation: Enzyme
Definition
Acetylcholinesterase
Term
Acetylcholine: Receptors
Definition
1)Nicotinic Cholinergic Receptors
2)Muscarinic Cholinergic Receptors
Located in the Brain
Term
Nicotinic Receptors:
a)Related to which NT?
b)What is its role?
c)If agonist added?
d)If antagonist added?
e) Type:
Definition
a)Acetylcholine
b)Cognition/ Movement
c)Increase in AcH release-->Muscle Contraction
d)Decrease in AcH release--->
Paralysis/Weakness
e) G Coupled Protein
Term
Nicotinic Agonists Effects (5)
Definition
1) Heart Rate (Decr)
2) GI Tract: Diaherrea
3) Salivation
4) Contraction of Diaphragm
5) Increase AcH levels: Alertness
Term
Nicotinic Antagonists Effects (4)
Definition
1) Stop breathing
2) Heart Rate (Incr)
3) Blood Pressure (Incr)
4) Decrease AcH in Brain : Drowsiness
Term
Muscarinic Receptors:
a)Related to which NT?
b)What is its role?
c)If agonist added?
d)If antagonist added?
e) Type:
Definition
a) Acetylcholine
b) Learning, Memory, Arousal
c)Parasympathetic Effects
d) Sympathetic Effects
e) Ligand- gated Ion Channel
Term
Acetylcholine Location/Pathways
Definition
Nucleus Basalis
a)Axons project to Neocortex
Term
NT: Dopamine
Biosynthesis Pathway
Definition
Tyrosine--->DOPA--->Dopamine
Term
Dopamine Biosynthesis: Enzyme
Definition
Tyrosine Hydroxylase (TH)
Term
Dopamine Receptors
Definition
1)D1
2)D2 Post and Pre Synaptic
G-Coupled Protein Receptors
Term
Dopamine Location/Pathways
Definition
Dorsal Striatum--->Substantia Nigra
Ventral Striatum---> Ventral Tegmental
Term
Dorsal Striatum
a)Related to which NT?
b)What is its role?
Info
Definition
a) Dopamine
b)Motor Control
Degeneration--->Problems w/ Initiating of Movement--->Tremor/Paralysis
Term
Ventral Striatum
a)Related to which NT?
b)What is its role?
Info
c)If agonist added?
d)If antagonist added?
e) Type:
Definition
a)Dopamine
b)Reward/Appetitive Motivation
Addition Pathway
Term
Schizophrenia: Cause
Definition
Hyperactivity of Dopamine in Ventral Pathways
Term
Dopamine: Low Levels
Definition
Motor Activation (Decr)
Reward/ Motivation (Decr)
Depression Like Symptoms
Parkinson's Like
Term
Dopamine: High Levels
Definition
Motivation/ Cravings (Incr)
Motor Activation (Incr)
Stereotypy: Repetitive Motor Behavior
Schizophrenic Like
Term
NT: Norephinephrine
Biosynthesis Pathway
Definition
Tyrosine--->DOPA--->Dopamine--->
Noephinephrine
Term
Norephinephrine Location/Pathways
Definition
Locus Coeruleus
Projects throughout the Brain
Term
MAO
Definition
Breaks down NT NE
Term
Role of Norephinephrine
Definition
Activation of Arousal
a) Shut off when sleep: sleep
b) Maximized when stress:anxiety
c) Hunger and Eating Behavior
d) Pain and Fear
Term
Noephrinephine: Receptors
Definition
1) Alpha Adrenergic Receptors
a)Alpha 2: Autoreceptor sedative and analgesic
b)Agonist decrease NE Activity
2) Beta Adrenergic Receptors
b)Beta Blocker used to decrease heart rate and blood pressure
b) Agonist: shutdown LC Activity---> Sedative, anti-anxiety
Term
NT: Serotonin Biosynthesis Pathway
Definition
L-Tryptophan--->L-5-Hydroxytrytophan---> 5-HT (serotonin)
Term
Serotonin: Location/Pathways
Definition
Dorsal Raphe Nucleus
Term
Tryptophan: Mood Regulation
Definition
Incr Trypt---> Better Mood
Decr Trypt---> Depression (not in healthy individuals)
Term
Serotonin: Mood Regulation
Definition
High 5-HT--> High Tryptophan--> Anxiety--> decreased appetite
Deficit= Poor impulse control
agressiveness
Term
GABA Receptors
Definition
1) GABA(a) Receptors
a)Ionotrophic: Ion Channels
2) GABA(b) Receptors
b)Metabotropic
Term
GABA(a) Receptors
Definition
a)Ion Channels
b)5 Subunits
c)Muscimol: Hallucinogenic Effects
High Doses: Sympathetic Effects
d)Sensitive to CNS Depressant Drugs Such as Ethanol and Benzodiazopines and Barbituates
e)Agonist Diazepam: sedative
f) Inverse Agonist: Opposite effect of agonist, though doesn't block like antagonist, Anxiety producing, arousing
g) Neurosteroids: Enhance GABA(a) receptor function-->sedative
Term
Glutamate Receptors
Definition
Ionotropic:
1)Kainate
2)NMDA (na+ and ca2+)

--->Creates ESPS caused by the flow of Na+ into cell

- Receptor channels can be blocked by Mg2+
Term
Glutamate Receptors
Definition
Ionotropic:
1)Kainate
2)NMDA (na+ and ca2+)

--->Creates ESPS caused by the flow of Na+ into cell

- Receptor channels can be blocked by Mg2+
Term
Glutamate
Definition
High Levels: Toxic: Excitotoxicity
Term
Peptides: Opioid
Definition
Stress induced analgesia
Incr Peptide Decr pain
Morphine
Term
Galanin
Definition
Feeding and Reproduction
Term
Corticotropin Releasing Factor
Definition
Released during Stress
Term
Cannabanoids
Definition
THC
Drug Development
Antiemtic Effects
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