In the third and final paper in my PhD, we repeated the primed dichotic listening experiment from the two previous papers in an fMRI setting. We found response choice and RT comparable to the previous studies. One analysis compared the activation on trials that repeated the prime to the activation on the trials that did not, and showed increased activation in medial frontal gyrus and in right inferior frontal gyrus (IFG). This was associated with the cognitive processes of cognitive conflict and inhibition, respectively. A second analysis compared the trials where the repeated syllable was ignored to the trials where the repeated syllable was attended. Ignoring the repeated syllable (the response bias) correlated with right IFG activation, while attending the repeated syllable correlated with cingulum / frontal gyrus and IFG activation. This was accounted for by associating one response pattern with inhibition, and the other to increased conflict and decision making.
Satrevik & Specht (2009) Cognitive conflict and inhibition in primed dichotic listening - Brain and Cognition
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