Cognitive impairments in meth use disorder

Question 1

Executive dysfunction is also associated with reduced

Answer 1

medial frontal gyrus (MFG) gray matter in people with meth use disorder, and reduced orbital IFG gray matter

Question 2

Gray matter reduction associated with learning and memory impairments

Answer 2

Reduction associated with learning and memory impairments in the hippocampus and parietal lobe

Question 3

Frontal, parietal and temporal lobes

Answer 3

Reduced activity in the frontal, parietal and temporal lobes

Question 4

Gray matter reduction associated with social cognition impairments

Answer 4

Reduction associated with social cognition impairments in the insular cortex.

Question 5

Reduced activity in the vlPFC, ACC and inferior frontal gyrus (IFG)

Answer 5

Associated with executive dysfunction.

May display dlPFC hypo- or hyperactivity, depending on task difficulty and working memory load.