Table 2
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Top: behavior-wise stimulus features; bottom: regressors included in each encoding model

IDFeature descriptionValues
1Ordinal position of behavior1, 2, 3, 4, 5, 6
2Valence of current behavior1 for positive; −1 for negative; 0 for neutral
3Cumulative # of consecutive positive behaviors0, 1, 2, 3, 4, 5, 6
4Cumulative # of consecutive negative behaviors0, 1, 2, 3, 4, 5, 6
5Change occurred: positive/negative previous behavior to neutral current behavior1 for pos → neutral; −1 for neg → neutral; 0 otherwise
6Change occurred: positive/negative previous behavior to negative/positive current behavior1 for pos → neg; −1 for neg → pos; 0 otherwise
7Magnitude of trustworthiness update from previous behavior0, 1, 2, 3, 4, 5, 6
8Positive trustworthiness update from previous behavior0, 1, 2, 3, 4, 5, 6
9Negative trustworthiness update from previous behavior0, −1, −2, −3, −4, −5, −6
10Any valence change occurred from previous behavior1 for pos → neutral, neg → neutral, pos → neg, neg → pos; 0 otherwise
11Any valence reversal occurred from previous behavior1 for pos → neg, neg → pos; 0 otherwise
12Cumulative # of consecutive valenced behaviors1, 2, 3, 4, 5, 6
IDModel descriptionRegressors included
ACumulative strength of positive/negative prior1, 2, 5, 6, 3, 4
BChange in valence occurred from previous behavior1, 2, 3, 4, 5, 6
CValence of current behavior1, 3, 4, 5, 6, 2
DCumulative strength of prior1, 2, 5, 6, 12
EAny valence change occurred from previous behavior1, 2, 3, 4, 10
FAny valence reversal occurred from previous behavior1, 2, 3, 4, 11
GMagnitude of behavioral updating1, 7, 2, 3, 4, 5, 6
HPositive/negative behavioral updating1, 8, 9, 2, 3, 4, 5, 6
IDFeature descriptionValues
1Ordinal position of behavior1, 2, 3, 4, 5, 6
2Valence of current behavior1 for positive; −1 for negative; 0 for neutral
3Cumulative # of consecutive positive behaviors0, 1, 2, 3, 4, 5, 6
4Cumulative # of consecutive negative behaviors0, 1, 2, 3, 4, 5, 6
5Change occurred: positive/negative previous behavior to neutral current behavior1 for pos → neutral; −1 for neg → neutral; 0 otherwise
6Change occurred: positive/negative previous behavior to negative/positive current behavior1 for pos → neg; −1 for neg → pos; 0 otherwise
7Magnitude of trustworthiness update from previous behavior0, 1, 2, 3, 4, 5, 6
8Positive trustworthiness update from previous behavior0, 1, 2, 3, 4, 5, 6
9Negative trustworthiness update from previous behavior0, −1, −2, −3, −4, −5, −6
10Any valence change occurred from previous behavior1 for pos → neutral, neg → neutral, pos → neg, neg → pos; 0 otherwise
11Any valence reversal occurred from previous behavior1 for pos → neg, neg → pos; 0 otherwise
12Cumulative # of consecutive valenced behaviors1, 2, 3, 4, 5, 6
IDModel descriptionRegressors included
ACumulative strength of positive/negative prior1, 2, 5, 6, 3, 4
BChange in valence occurred from previous behavior1, 2, 3, 4, 5, 6
CValence of current behavior1, 3, 4, 5, 6, 2
DCumulative strength of prior1, 2, 5, 6, 12
EAny valence change occurred from previous behavior1, 2, 3, 4, 10
FAny valence reversal occurred from previous behavior1, 2, 3, 4, 11
GMagnitude of behavioral updating1, 7, 2, 3, 4, 5, 6
HPositive/negative behavioral updating1, 8, 9, 2, 3, 4, 5, 6

Notes: Twelve parametric regressors were used to describe stimulus features that varied between behavior positions (top). Regressor IDs are listed in the order in which they were added to the model; each regressor was serially orthogonalized with respect to the previous regressor (bottom). Parameter estimates were extracted for bolded regressors

Table 2
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Top: behavior-wise stimulus features; bottom: regressors included in each encoding model

IDFeature descriptionValues
1Ordinal position of behavior1, 2, 3, 4, 5, 6
2Valence of current behavior1 for positive; −1 for negative; 0 for neutral
3Cumulative # of consecutive positive behaviors0, 1, 2, 3, 4, 5, 6
4Cumulative # of consecutive negative behaviors0, 1, 2, 3, 4, 5, 6
5Change occurred: positive/negative previous behavior to neutral current behavior1 for pos → neutral; −1 for neg → neutral; 0 otherwise
6Change occurred: positive/negative previous behavior to negative/positive current behavior1 for pos → neg; −1 for neg → pos; 0 otherwise
7Magnitude of trustworthiness update from previous behavior0, 1, 2, 3, 4, 5, 6
8Positive trustworthiness update from previous behavior0, 1, 2, 3, 4, 5, 6
9Negative trustworthiness update from previous behavior0, −1, −2, −3, −4, −5, −6
10Any valence change occurred from previous behavior1 for pos → neutral, neg → neutral, pos → neg, neg → pos; 0 otherwise
11Any valence reversal occurred from previous behavior1 for pos → neg, neg → pos; 0 otherwise
12Cumulative # of consecutive valenced behaviors1, 2, 3, 4, 5, 6
IDModel descriptionRegressors included
ACumulative strength of positive/negative prior1, 2, 5, 6, 3, 4
BChange in valence occurred from previous behavior1, 2, 3, 4, 5, 6
CValence of current behavior1, 3, 4, 5, 6, 2
DCumulative strength of prior1, 2, 5, 6, 12
EAny valence change occurred from previous behavior1, 2, 3, 4, 10
FAny valence reversal occurred from previous behavior1, 2, 3, 4, 11
GMagnitude of behavioral updating1, 7, 2, 3, 4, 5, 6
HPositive/negative behavioral updating1, 8, 9, 2, 3, 4, 5, 6
IDFeature descriptionValues
1Ordinal position of behavior1, 2, 3, 4, 5, 6
2Valence of current behavior1 for positive; −1 for negative; 0 for neutral
3Cumulative # of consecutive positive behaviors0, 1, 2, 3, 4, 5, 6
4Cumulative # of consecutive negative behaviors0, 1, 2, 3, 4, 5, 6
5Change occurred: positive/negative previous behavior to neutral current behavior1 for pos → neutral; −1 for neg → neutral; 0 otherwise
6Change occurred: positive/negative previous behavior to negative/positive current behavior1 for pos → neg; −1 for neg → pos; 0 otherwise
7Magnitude of trustworthiness update from previous behavior0, 1, 2, 3, 4, 5, 6
8Positive trustworthiness update from previous behavior0, 1, 2, 3, 4, 5, 6
9Negative trustworthiness update from previous behavior0, −1, −2, −3, −4, −5, −6
10Any valence change occurred from previous behavior1 for pos → neutral, neg → neutral, pos → neg, neg → pos; 0 otherwise
11Any valence reversal occurred from previous behavior1 for pos → neg, neg → pos; 0 otherwise
12Cumulative # of consecutive valenced behaviors1, 2, 3, 4, 5, 6
IDModel descriptionRegressors included
ACumulative strength of positive/negative prior1, 2, 5, 6, 3, 4
BChange in valence occurred from previous behavior1, 2, 3, 4, 5, 6
CValence of current behavior1, 3, 4, 5, 6, 2
DCumulative strength of prior1, 2, 5, 6, 12
EAny valence change occurred from previous behavior1, 2, 3, 4, 10
FAny valence reversal occurred from previous behavior1, 2, 3, 4, 11
GMagnitude of behavioral updating1, 7, 2, 3, 4, 5, 6
HPositive/negative behavioral updating1, 8, 9, 2, 3, 4, 5, 6

Notes: Twelve parametric regressors were used to describe stimulus features that varied between behavior positions (top). Regressor IDs are listed in the order in which they were added to the model; each regressor was serially orthogonalized with respect to the previous regressor (bottom). Parameter estimates were extracted for bolded regressors

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