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Abstract #3926

The neural basis for the age-related positivity effect in language processing

Sachiko Kiyama 1 , Mitsunobu Kunimi 1 , Katsuo Tamaoka 2 , Rinus Verdonschot 3 , and Toshiharu Nakai 1

1 National Center for Geriatrics and Gerontology, Ohbu, Aichi, Japan, 2 Nagoya University, Nagoya, Aichi, Japan, 3 Osaka University, Osaka, Japan

The present study aims to assess the age-related neural changes particularly concerning the role memory plays during emotional sentence processing, by employing functional magnetic resonance imaging (fMRI). Although emotional valence did not explicitly moderate behavior within sentence recognition task both in young and elderly groups, neural activity during the task showed particular interaction effects between emotional valence and age group.@ Among the enhanced regions for recognizing positive emotional sentences, the insula is known to be involved in emotional awareness. Our results suggest that the insula might reflect the elderliesf greater awareness to positive emotional sentences.

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