After snorting cocaine, Chris told his friends that it made him feel euphoric. He described the feeling as being similar to what he felt after working out at the gym. The neurotransmitter most likely responsible for Chris's feeling of euphoria is ________.

Question

Quizplus · Accepted Answer

Dopamine is the neurotransmitter most commonly associated with the feelings of pleasure and euphoria. Cocaine increases the levels of dopamine in the brain by blocking the dopamine transporter, which normally removes dopamine from the synaptic cleft. This leads to an accumulation of dopamine and an intensified feeling of euphoria. Similarly, physical exercise increases dopamine levels, contributing to the so-called "runner's high."

After Snorting Cocaine, Chris Told His Friends That It Made