A Case of Pathological Collecting Behavior

Pathological collecting behavior. Michitaka Funayama et al. Cortex, https://doi.org/10.1016/j.cortex.2018.02.014

Here we describe the development of pathological collecting behavior, which was observed in a patient with right orbitofrontal damage after subarachnoid hemorrhage [...]. His pathological collection behavior was first noticed 11 years post-onset (at age 59) when he began searching out detergents, newspapers, bottles of milk and beer, and hangers every day, mainly from garbage dumps [...]. At age 66, he began washing window screens and his car and cleaning his bathroom several times per day.

At age 76, during his stereotypical automobile washing, he removed the license plate to thouroughly wash underneath it; while doing so, he dropped a screw for the fight side of his car's license plate into the sewer. He was unable to retrieve the screw, and henceforth he began stealing screws from only the right side of license plates of other people's cars. His wife warned him not to collect them, and he always told her that he would never do it again; moreover, he surely knew that stealing was not permitted under any circumstances. However, he collected more than 50 screws over the following 2 months, but eventually he was arrested and again hospitalized in our psychiatry ward. Notably, even after his discharge from our ward, he could still work as a salesclerk at his liquor store.