Chunk #10 — Methods — Correlation between GM volume and CIDI symptom count

Source

Medial orbitofrontal cortex gray matter is reduced in abstinent substance-dependent individuals.

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For each drug, CIDI-SAM generated a symptom count (11 total, from 7 dependence and 4 abuse symptoms). Partial correlation between symptom count and medial OFCGM volume was performed, adjusted for total GM, IQ, and age.