Psychoactive Substances and Neurotransmitters

 

 

In addition to stimulating the Nucleus Accumbens through dopamine, each addictive substance has its effects because it mimics certain neurotransmitters. The following table provides a rough understanding of this part of the addictive process.

 

 

DRUG GROUP

NEUROTRANSMITTER IMITATION

 

 

Depressants (Alcohol)

GABA

Narcotics (Heroin, Codeine, etc)

Endorphins

Amphetamines (Speed, Cocaine, Nicotine.)

NE

Hallucinogens

SR

Caffeine

Adenosine

Other

Various Mechanisms