Table 2.
Study | Sample | Key methods | Summary of key results | Association | Social Construct |
Results |
---|---|---|---|---|---|---|
Imaging Studies | ||||||
Callous-Unemotional (CU) Traits | ||||||
Sakai, Dalwania (1) | N= 66 male adolescents in a treatment program with conduct problems. Age=15-18. 100% male. | Group compare study. Task-based fMRI, Prosocial giving game “altruistic antisocial game” (AlAn’s), self-report of CU traits, empathy, as well as substance abuse or dependence across several substances. | The high CU traits group had higher prevalence of substance use. During the prosocial game, the LPE group (that has higher substance use) had a negative activation in the R-AI in comparison to both CD and controls. Severity of CU associated negatively with the L-IPL and positively with the L-PCC. | Concurrent | Affective deficits |
Brain region cluster Differences in insula Cluster (R-AI, IFG, and STG) between groups (high CU, conduct only, controls) F= 9.5; p< 0.001 LPE was negative With severity ot CU traits (whole brain): L-IPL t= −3.61 L- PCC t= −3.31 |
Social Cognition | ||||||
Cservenka, Fair (2) | N=36 adolescents with a FHP (n=19 high SUD risk) and FHN (controls n=17, 51% male). Age= 12-16. 49% male. | Group compare study. Seed-based resting state fMRI and task-based fMRI with emotional go-no-go task. | Emotional go-no-go task: FHP group had less activity to happy faces in the L. STG, I. insula, L. postcentral gyrus. (Implicated in affective social processing during a social processing task). Resting state: reduced bilateral amygdala connectivity in FHP. Reduced connectivity b/t superior frontal gyrus and amygdala associated with poor response inhibition during emotional task. | Concurrent | Cognitive & affective |
HR vs. LR on facial task L-STG: t= −3.20* L-STG, I.-AI, L-POG: t= −3.05* HR vs. LR connectivity L. amygdala L-SFG: t= −3.98* L-precuneus: t= −3.44* L-SFG: t= −3.44* L-cerebellum: t= −3.11* R-cerebellum: t= −3.57* R-MFG: t= −3.81* R-precentral gyrl: t= −4.04* R-amygdala R-cerebellum: t= −3.27* R-MFG: t= −3.65* R-MTG; t= −3.37* |
Hulvershorn, Finn (3) | N= 37 non-substance using early adolescents at high risk for SUD or controls (19 HR, 18 controls). Age= 12-14. 67% male. | Group compare study. Task-based fMRI using an emotional face matching task. | HR youth had increase mPFC, precuneus, and occipital cortex activation relative to controls during the face matching condition relative to the control shape condition. | Concurrent | Cognitive & affective |
Face vs. Shape contrast High risk = higher activation R-mPFC: t= 3.88*** L-Precuneus: t= 4.02*** L-MOG: t= 4.34*** R-MOG: t= 4.73*** |
O'Brien and Hill (4) | N= 78 third generation offspring of alcoholic families at high risk for SUD (n= 40) and controls (n= 38). Mean age= 11.78. 54% males. | Group comparison fMRI study. Clinical interviews for substance use and clinical conditions. Structural MRI and cox survival analysis. | The ratio of OFC to amygdala volume significantly predicted SUD survival time across the sample; reduction in survival time was seen in those with smaller ratios for both high-risk and low-risk groups. Morphology of prefrontal relative to limbic regions in adolescence prospectively predicts age of onset for substance use disorders. | Concurrent | Cognitive & affective |
Survival analysis for onset of substance use disorder OFC/amygdala: OR= .389* Family risk: OR= .418* Age: OR= .786** Sex: ns |
CU = callous-unemotional, CD = conduct disorder, FHP = family history positive for substance use disorder, HR = high risk, LR = low risk, LPE = low prosocial emotions.
AI = anterior insula, PCC = posterior cingulate cortex, mPFC = medial prefrontal cortex, MFG = medial frontal gyrus, STG = superior temporal gyrus, MTG = middle temporal gyrus, IFG = inferior frontal gyrus, SFG = superior frontal gyrus, OFC = orbital frontal cortex, MOG = mid occipital gyrus, PCG = postcentral gyrus.
R- = right, L- = left, fMRI = functional magnetic resonance imaging.
ns = not significant
= p < .05
= p < .01
= <.001.