Abstract
Affective symmetries, such as the positivity offset and negativity bias, have been postulated to be attributable to distinct activation functions of the positive and negative affect systems. We investigated the neural substrates that are engaged when the positive and negative affect systems undergo parallel and integrative processing. Eleven subjects were scanned using H 2 15 O PET during choosing the subjective feeling produced by a stimulation pair of pictures or words. Four different conditions were designed for contrast: pure positivity, pure negativity, positivity offset, and negativity bias. The dorsolateral prefrontal activation was associated with positivity offset and negativity bias condition, whereas the ventromedial prefrontal activation, together with limbic and subcortical activations, was associated with pure positivity and pure negativity condition. The results indicated that positivity offset and negativity bias are not merely due to asymmetric activations of the positive and negative systems, but integrative processing of higher neocortical levels is involved.
| Original language | English |
|---|---|
| Pages (from-to) | 253-261 |
| Number of pages | 9 |
| Journal | Biological Psychology |
| Volume | 73 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2006 Oct 1 |
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All Science Journal Classification (ASJC) codes
- Neuroscience(all)
- Neuropsychology and Physiological Psychology
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Neural substrates associated with evaluative processing during co-activation of positivity and negativity : A PET investigation. / Jung, Young Chul; An, Suk Kyoon; Seok, Jeong Ho; Kim, Jae Seung; Oh, Seung Jun; Moon, Dae Hyuk; Kim, Jae-Jin.
In: Biological Psychology, Vol. 73, No. 3, 01.10.2006, p. 253-261.Research output: Contribution to journal › Article
TY - JOUR
T1 - Neural substrates associated with evaluative processing during co-activation of positivity and negativity
T2 - A PET investigation
AU - Jung, Young Chul
AU - An, Suk Kyoon
AU - Seok, Jeong Ho
AU - Kim, Jae Seung
AU - Oh, Seung Jun
AU - Moon, Dae Hyuk
AU - Kim, Jae-Jin
PY - 2006/10/1
Y1 - 2006/10/1
N2 - Affective symmetries, such as the positivity offset and negativity bias, have been postulated to be attributable to distinct activation functions of the positive and negative affect systems. We investigated the neural substrates that are engaged when the positive and negative affect systems undergo parallel and integrative processing. Eleven subjects were scanned using H 2 15 O PET during choosing the subjective feeling produced by a stimulation pair of pictures or words. Four different conditions were designed for contrast: pure positivity, pure negativity, positivity offset, and negativity bias. The dorsolateral prefrontal activation was associated with positivity offset and negativity bias condition, whereas the ventromedial prefrontal activation, together with limbic and subcortical activations, was associated with pure positivity and pure negativity condition. The results indicated that positivity offset and negativity bias are not merely due to asymmetric activations of the positive and negative systems, but integrative processing of higher neocortical levels is involved.
AB - Affective symmetries, such as the positivity offset and negativity bias, have been postulated to be attributable to distinct activation functions of the positive and negative affect systems. We investigated the neural substrates that are engaged when the positive and negative affect systems undergo parallel and integrative processing. Eleven subjects were scanned using H 2 15 O PET during choosing the subjective feeling produced by a stimulation pair of pictures or words. Four different conditions were designed for contrast: pure positivity, pure negativity, positivity offset, and negativity bias. The dorsolateral prefrontal activation was associated with positivity offset and negativity bias condition, whereas the ventromedial prefrontal activation, together with limbic and subcortical activations, was associated with pure positivity and pure negativity condition. The results indicated that positivity offset and negativity bias are not merely due to asymmetric activations of the positive and negative systems, but integrative processing of higher neocortical levels is involved.
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U2 - 10.1016/j.biopsycho.2006.04.006
DO - 10.1016/j.biopsycho.2006.04.006
M3 - Article
VL - 73
SP - 253
EP - 261
JO - Biological Psychology
JF - Biological Psychology
SN - 0019-493X
IS - 3
ER -