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Fig. 1 | BMC Neuroscience

Fig. 1

From: When gratitude and cooperation between friends affect inter-brain connectivity for EEG

Fig. 1

The figure shows the experimental procedure. Two different procedures for the cooperative task were performed. The first, order 1, is divided in: block 1 (a control condition), gift exchange (image retrieved from pixabay), block 2 and block 3. The second, order 2, is divided in: block 1, block 2, gift exchange (image retrieved from pixabay), and block 3. Each block was composed by 25 trials and after each trial members of the couple received a feedback on their cooperation level

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