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  1. Article

    Open Access

    Multiscale chemogenetic dissection of fronto-temporal top-down regulation for object memory in primates

    Visual object memory is a fundamental element of various cognitive abilities, and the underlying neural mechanisms have been extensively examined especially in the anterior temporal cortex of primates. However...

    Toshiyuki Hirabayashi, Yuji Nagai, Yuki Hori, Yukiko Hori in Nature Communications (2024)

  2. Article

    Open Access

    Chemogenetic attenuation of cortical seizures in nonhuman primates

    Epilepsy is a disorder in which abnormal neuronal hyperexcitation causes several types of seizures. Because pharmacological and surgical treatments occasionally interfere with normal brain function, a more foc...

    Naohisa Miyakawa, Yuji Nagai, Yukiko Hori, Koki Mimura in Nature Communications (2023)

  3. No Access

    Article

    Deschloroclozapine, a potent and selective chemogenetic actuator enables rapid neuronal and behavioral modulations in mice and monkeys

    The chemogenetic technology designer receptors exclusively activated by designer drugs (DREADDs) afford remotely reversible control of cellular signaling, neuronal activity and behavior. Although the combinati...

    Yuji Nagai, Naohisa Miyakawa, Hiroyuki Takuwa, Yukiko Hori in Nature Neuroscience (2020)

  4. Article

    Open Access

    Dynamic laminar rerouting of inter-areal mnemonic signal by cognitive operations in primate temporal cortex

    Execution of cognitive functions is orchestrated by a brain-wide network comprising multiple regions. However, it remains elusive whether the cortical laminar pattern of inter-areal interactions exhibits dynam...

    Masaki Takeda, Toshiyuki Hirabayashi, Yusuke Adachi in Nature Communications (2018)

  5. Article

    Open Access

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

    The rostromedial caudate (rmCD) of primates is thought to contribute to reward value processing, but a causal relationship has not been established. Here we use an inhibitory DREADD (Designer Receptor Exclusiv...

    Yuji Nagai, Erika Kikuchi, Walter Lerchner, Ken-ichi Inoue, Bin Ji in Nature Communications (2016)