The combined classification tasks followed in blocks 7 (faces/words training) and 8 (test block, "Incompatible"), with categories labelled on the same sides as in the preceding blocks 5 and 6: Angry-Pleasant (left) and Happy-Unpleasant (right).
The side of the response (i.e., "pleasant" for the left or the right button) was counterbalanced between subjects.
For your response, here is a box with 5 buttons: the far-left button (or the far-right) means "very pleasant", the mid-left button (or the mid-right) means "pleasant", the middle button means "neutral", the mid-right button (or the mid-left) means "unpleasant", and the far-right button (or the far-left) means "very unpleasant".
When I arrived at his home, next to a mosque in a pleasant neighborhood on the left bank of the Nile, he was praying.
Imagine Henry Kissinger calling for the closure of Guantanamo Bay, or Donald Rumsfeld demanding the release of Bradley Manning, and you'll have some sense of the pleasant surprise with which left-leaning Australians have viewed the political journey of former Prime Minister Malcolm Fraser, who also previously served as his country's minister for the army and for defense.
Ignore the title track, a pleasant enough inspirational number featuring left-field culture-clash lyrics about a tech entrepreneur who "sold his one-man shop to Microsoft/And they paid like crazy".
For block 3 (faces/words training), evaluative categories of blocks 1 and 2 were pooled together in a single task of combined classification, such that stimuli were categorized as Angry-Unpleasant (left) or Happy-Pleasant (right).
The left amygdala mainly induced pleasant or unpleasant emotions, while the right amygdala mainly induced negative emotions such as fear and sadness [22].
Referring to our example, "American" and "pleasant" might be assigned to the "left key" for the first combined task, requiring "European" and "unpleasant" to be assigned to the "right key" (or vice versa).
