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cholinergic interneurons

This shows the outline of a stressed person and a brain.

·March 31, 2026·9 min read

Direct Link Between Stress and Addiction Found

Researchers discovered a brain pathway linking stress centers directly to habit regions. While stress normally promotes flexibility, alcohol disrupts this circuit, explaining why stress leads to compulsive drinking and relapse.

Featured Neuroscience

·March 16, 2026·7 min read

Acetylcholine Seizes Control of Serotonin Signaling

New research reveals how acetylcholine hijacks the serotonin system, potentially causing the chemical "overdrive" seen in OCD and depression.

This is a graphic abstract from the study

Featured Neuroscience

·June 2, 2020·3 min read

Some people are easily addicted to drugs, but others are not

Dopamine D2 receptor overexpression in cholinergic interneurons of the nucleus accumbens may explain why some are more prone to cocaine addiction than others.