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Chunk #23 — 3. Results — 3.2. Task performance and activation

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Accumbens functional connectivity during reward mediates sensation-seeking and alcohol use in high-risk youth.
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An effect of valence was found on RT (avoid loss>win; F1,68=9.5, p=0.003) and amount ($0.20>$5; F1,68=4.6, p=0.036), but interaction between valence and amount did not meet significance (p=0.068). There were no main effects of group or interactions between group and valence or amount (p’s>0.17). There was a group x valence x amount interaction (F1,68=6.7, p=0.012) which was driven by faster RTs for $5 versus $0.20 win for FH− subjects that was not seen in FH+ subjects (p=0.009). Further group analyses controlled for RT. Table 2 presents a summary of task performance.