The Urabon Anomaly: A Retrospective Analysis of 'Meat Fold Convulsions' in Post-War Urban Japan (1981) 1. Abstract
The "Meat Fold Convulsions" of 1981 likely represented a crossroads of: Urabon 1981 Meat Fold Convulsions
In August 1981, anecdotal reports emerged of individuals experiencing rhythmic, fold-like muscular contractions—colloquially termed "Meat Fold Convulsions"—after consuming specific ritual meats during the Urabon festival. This period in Japan was marked by a transition between traditional ancestral rites and the rapid commercialization of "bone businesses" (hone-ya-san). The Urabon Anomaly: A Retrospective Analysis of 'Meat
: Examination of local news reports from 1981 across the Kanto and Kansai regions. Urabon 1981 Meat Fold Convulsions
: The "fold" refers to the specific presentation of muscle tremors that resembled the folding of traditional ritual garments or the stacking of "ninefold" offering sets.