Ripples precede insight in the right human hippocampus
Kotaro Yamashiro, Takamitsu Iwata, Yuji Ikegaya, Yasushi Iimura, Takumi Mitsuhashi, Hiroharu Suzuki, Katsuyuki Negishi, Takuya Suematsu, Ryosuke Yamamoto, Ryohei Fukuma, Naoki Tani, Hui Ming Khoo, Satoru Oshino, Haruhiko Kishima, Takufumi Yanagisawa
This study shows that right hippocampal ripples increase before insight occurs in humans, suggesting a role in non-conscious processing leading to conscious awareness.
bioRxiv · Feb 5, 2026 · PreprintNeuroscience