This paper is in the following e-collection/theme issue:

Non-randomized Protocols and Methods (ehealth) (697) Loneliness and Social Isolation (151) Methods and New Tools in Mental Health Research (574) Problematic Internet Use, Online Gambling and Game Addiction (197) Social Anxiety Disorder (SAD) (63) Ecological Momentary Assessment (EMA) (424)

Published on in Vol 15 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/81384, first published .
Exploring the Cognitive and Behavioral Risks and Maintenance Factors of Hikikomori: Protocol for an Ecological Momentary Assessment Study

Exploring the Cognitive and Behavioral Risks and Maintenance Factors of Hikikomori: Protocol for an Ecological Momentary Assessment Study

Exploring the Cognitive and Behavioral Risks and Maintenance Factors of Hikikomori: Protocol for an Ecological Momentary Assessment Study

Authors of this article:

Alexander MacLellan1 Author Orcid Image ;   Keisuke Takano Author Orcid Image
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Alexander MacLellan   1 , PhD ;   Keisuke Takano   , PhD

1 Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan

Corresponding Author:

  • Alexander MacLellan, PhD
  • Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology
  • 1-1-1 Higashi
  • Tsukuba 305-8566
  • Japan
  • Phone: 81 029-861-6001
  • Email: alex.maclellan@aist.go.jp