Nature Communications (Dec 2016)

PET imaging-guided chemogenetic silencing reveals a critical role of primate rostromedial caudate in reward evaluation

  • Yuji Nagai,
  • Erika Kikuchi,
  • Walter Lerchner,
  • Ken-ichi Inoue,
  • Bin Ji,
  • Mark A. G. Eldridge,
  • Hiroyuki Kaneko,
  • Yasuyuki Kimura,
  • Arata Oh-Nishi,
  • Yukiko Hori,
  • Yoko Kato,
  • Toshiyuki Hirabayashi,
  • Atsushi Fujimoto,
  • Katsushi Kumata,
  • Ming-Rong Zhang,
  • Ichio Aoki,
  • Tetsuya Suhara,
  • Makoto Higuchi,
  • Masahiko Takada,
  • Barry J. Richmond,
  • Takafumi Minamimoto

DOI
https://doi.org/10.1038/ncomms13605
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 8

Abstract

Read online

Processing the value of reward is thought to involve the rostromedial caudate (rmCD), but a causal demonstration is lacking in primates. Here the authors use chemogenetics and PET imaging to show that inactivation of rmCD leads to impairments in reward value judgments.