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Table 1. 

MNI Coordinates of Maximal Lateralization of Oscillatory Power for the Different Reward Conditions

ConditionPeak Position (MNI)Region (AAL Atlas)
Alpha 
Positive targets [3.2 −8.8 1.6] Middle occipital 
Negative targets [4.0 −8.8 1.6] Middle occipital 
Neutral targets [4.0 −8.0 2.4] Middle occipital 
Positive distractors [4.0 −8.8 1.6] Middle occipital 
Negative distractors [4.0 −8.8 2.4] Middle occipital 
Neutral distractors [3.2 −8.0 2.4] Middle occipital 
 
Gamma 
Positive distractors [1.6 −8.8 1.6] Superior occipital 
Negative distractors [4.0 −8.8 −3.2] NA 
Neutral distractors [1.6 −9.6 2.4] Superior occipital 
ConditionPeak Position (MNI)Region (AAL Atlas)
Alpha 
Positive targets [3.2 −8.8 1.6] Middle occipital 
Negative targets [4.0 −8.8 1.6] Middle occipital 
Neutral targets [4.0 −8.0 2.4] Middle occipital 
Positive distractors [4.0 −8.8 1.6] Middle occipital 
Negative distractors [4.0 −8.8 2.4] Middle occipital 
Neutral distractors [3.2 −8.0 2.4] Middle occipital 
 
Gamma 
Positive distractors [1.6 −8.8 1.6] Superior occipital 
Negative distractors [4.0 −8.8 −3.2] NA 
Neutral distractors [1.6 −9.6 2.4] Superior occipital 

As alpha lateralization is measure of interhemispheric differences in power, the sign of the X coordinate is irrelevant. “NA” indicates that the peak coordinate did not lie in a region defined by the AAL atlas (Tzourio-Mazoyer et al., 2002).

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