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Neurotransmitters - Coggle Diagram
Neurotransmitters
Peptides and Monoamines
(Fast)
Norepinephrine
Location
Locus Coeruleus
Lateral Tegmental Reticular Formation
Clinical Effect
Increased SNS
Attention
Arousal
Diffuse throughout forebrain
MOA
Increased K+ efflux out of cell
Hyperpolarization
Receptor Type
Metabotropic
Alpha
Beta
Dopamine
Location
Substantia Nigra
Ventral Tegmental Area
Executive Functioning
Emotional Regulation
Receptor Types
Metabotropic
Inhibitory
D2-Like
D2, D3, D4
Excitatory
D1-Like
D1 and D5
3 Tracts
Nigrostriatal
Motor Tract
Parkinson's
Mesolimbic
Motivation / Reward
Schizophrenia
Substance Abuse
Tuberoinfundibular
Inhibits prolactin release
MOA
Increased K+ efflux out of cell
Hyperpolarization
Serotonin
5 - HT
Location
Raphe Nucleus of Pons
Receptor Type
Ionotropic
MOA
Increased K+ efflux out of cell
Hyperpolarization
Inhibitory
Clinical Effect
Regulates all brain function
Diffuse throughout forebrain
Inhibits impulsivity
Low Serotonin = Impulsive
Endocannabinoids
Receptor Types
CB1
CNS
CB2
Peripheral
MOA
Activation of CB1 receptors
Suppress transmitter release
Clinical Effect
Memory
Cognition
Pain Perception
Amino Acid (Ultra Fast)
GABA
Inhibitory
Types of Receptors
A = Iontropic
B = Metabotropic
Multiple Binding Sites and Subunits
MOA
Increased Cl- influx into ICF
Hyperpolarization
Clinical Indication
Low GABA
Greater seizure risk
More anxiety
Target for anticonvulsants and anti-anxiety treatments
Glutamate
Excitatory
Memory formation
Types of Receptors
NMDA
AMPA
Kainate
mGluR
Metabolized
Glutamate Transporters
Converted to Glutamine
Converted by glutamate synthetase
Clinical Indication
Apoptosis in Stroke
Memory Formation
Hormones (Slow)
Estrogen
Androgen