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Li Jin

School of Philosophy, Zhejiang University, Hangzhou, China.

2 papers in the library · 9 citations · publishing 2010-2026

Papers

A new indole alkaloid from Ervatamia yunnanensis.

Fitoterapia January 1, 2010 Yong-Sheng Jin, Jing-Ling Du, Hai-Sheng Chen et al. 9 citations

From the stems of the plant Ervatamia yunnanensis, a new indole alkaloid named ervataine was isolated and its structure identified using spectroscopic analysis. Five other known alkaloids—ibogaine, coronaridine, heyneanine, voacangine hydroxyindolenine, and coronaridine hydroxyindolenine—were also found.

Depression as inferential rigidity: a meta-abductive account.

Frontiers in psychology January 1, 2026 Jian Sun, Li Jin

Depression's cognitive rigidity—persistent negative beliefs resistant to contrary evidence—arises from structural defects in reasoning, not merely from negative belief content. A three-layer model of inferential pathology identifies first-order fixation on negative self-referential explanations, a core failure of meta-abduction that prevents reflective revision of explanatory practices, and an inferential extension where rigid abductive conclusions become premises for destructive deductive reasoning, generating self-negating conclusions and closed ruminative loops. This framework unifies rumination and cognitive distortion, explaining the transition from situational responses to chronic pathology. Effective intervention should restore meta-abductive capacity—treating one's own explanatory practices as revisable—complementing traditional belief-correction approaches.