Table 5.
Region | BA | x | y | z |
z-Value |
Activity pattern |
||||
---|---|---|---|---|---|---|---|---|---|---|
n-Back version A | n-Back version B | n-Back version A | n-Back version B | |||||||
GROUP (CONTROL VS. SCHIZOPHRENIA) × PAST SUBSTANCE ABUSE (NO VS. YES) | ||||||||||
L superior frontal gyrus | 8 | 0 | 29 | 53 | 3.54 | 4.48 | C(−) < CSA | S = SSA | C(−) < CSA | S = SSA |
L DLPFC | 9 | −40 | 31 | 27 | 2.75 | 3.21 | C < CSA | S = SSA | C < CSA | S = SSA |
L middle frontal gyrus | 6 | −35 | 10 | 54 | 3.26 | 2.84 | C(−) < CSA | S > SSA(−) | C(−) < CSA | S = SSA |
L fusiform gyrus | 19 | −49 | −72 | −10 | 3.04 | 3.27 | C < CSA | S = SSA | C < CSA | S = SSA |
L insula | 13 | −40 | 9 | −3 | 3.03 | 3.34 | C < CSA | S = SSA | C < CSA | S = SSA |
L insula | 13 | −41 | −7 | 5 | 2.80 | 2.67 | C(−) < CSA | S = SSA | C < CSA | S = SSA |
L ant./mid. cingulate | 24 | 0 | -6 | 36 | 3.71 | 3.03 | C(−) < CSA | S = SSA(−) | C(−) < CSA | S = SSA |
L thalamus | − | −9 | −28 | −4 | 2.57 | 2.77 | C < CSA | S = SSA | C < CSA | S = SSA |
R middle frontal gyrus | 10 | 36 | 55 | 3 | 2.73 | 3.03 | C(−) < CSA | S = SSA | C(−) < CSA | S = SSA |
R middle frontal gyrus | 6 | 36 | 8 | 58 | 3.20 | 2.97 | C < CSA | S > SSA | C < CSA | S = SSA |
R orbitofrontal gyrus | 47 | 41 | 18 | −2 | 2.68 | 3.60 | C < CSA | S = SSA | C < CSA | S = SSA |
R precentral gyrus | 44 | 53 | 13 | 8 | 2.82 | 3.17 | C < CSA | S = SSA | C < CSA | S = SSA |
R inferior parietal lobule | 40 | 41 | −53 | 54 | 2.63 | 3.14 | C = CSA | S > SSA | C < CSA | S = SSA |
Activity patterns are activations, except when denoted with (−), indicating deactivation. Coordinates (x, y, z) reflect Talairach template space (57). “ =”, represents no significant difference in post hoc analysis; BA, Brodmann area; L, left; R, right; DLPFC, dorsolateral prefrontal cortex; ant., anterior; mid., middle; C, control participants without past substance abuse; CSA, control participants with past substance abuse; S, schizophrenia patients without past substance abuse; SSA, schizophrenia patients with past substance abuse.