Abnormal behavior of following peers in an online game indicates bipolar disorder and manic/hypomanic episodes

• DOI: 10.1145/3625007.3627319
• Publication Date: 2024-03-15T15:12:42Z
• Authors: Kenji Yokotani; Masanori Takano; Nobuhito Abe

Early detection of bipolar disorder (BD) is crucial for its ultimate control and prevention. We aim to detect people with BD their manic/hypomanic episodes through abnormal behaviors following peers in Massively Multiplayer Online Game (MMOG) logs. The total participants consisted 198,605 users Pigg Party: a popular MMOG Japan. Their behaviors, including gacha (an online capsule toy game) purchase MMOG, were recorded milli seconds one month. Of the participants, 291 responded mood questionnaire. Among questionnaire respondents, 20 judged as group other 271 non-BD group. According anomaly scores peers, 13,650 estimated 184,955 had significantly more than Further, among this group, these prevalent especially during episodes. Our findings indicate that logs potentially useful detecting