Neural substrates associated with evaluative processing during co-activation of positivity and negativity

A PET investigation

Young Chul Jung, Suk Kyoon An, Jeong Ho Seok, Jae Seung Kim, Seung Jun Oh, Dae Hyuk Moon, Jae-Jin Kim

Research output: Contribution to journalArticle

13 Citations (Scopus)

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 languageEnglish
Pages (from-to)253-261
Number of pages9
JournalBiological Psychology
Volume73
Issue number3
DOIs
Publication statusPublished - 2006 Oct 1

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Emotions

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)
  • Neuropsychology and Physiological Psychology

Cite this

Jung, Young Chul ; An, Suk Kyoon ; Seok, Jeong Ho ; Kim, Jae Seung ; Oh, Seung Jun ; Moon, Dae Hyuk ; Kim, Jae-Jin. / Neural substrates associated with evaluative processing during co-activation of positivity and negativity : A PET investigation. In: Biological Psychology. 2006 ; Vol. 73, No. 3. pp. 253-261.
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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 journalArticle

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