Jpn. J. Personality 23(1): 1-12 (2014)
Transcript of Jpn. J. Personality 23(1): 1-12 (2014)
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Analogues of Depression: From the Perspective of the Continuity of Depression
Shizuka Kawamoto1, Takuya Watanabe2, Koji Kosugi3, Koji Matsuo4, Yoshifumi Watanabe4 and Tatsuya Sato5
1 Graduate School of Letters, Ritsumeikan University2 Division of Research, Ritsumeikan University
3 Faculty of Education, Yamaguchi University4 Graduate School of Medicine, Yamaguchi University
5 Faculty of Letters, Ritsumeikan University
The Japanese Journal of Personality 2014, Vol. 23 No. 1, 1â12
This study investigated aspects of analogues of depression. Cluster analysis and a symptoms approach were used to identify characteristics of analogues of depression. Patients with major depressive disorder provided the seed points for the depressed cluster, and non-distressed university students provided the seed points for the non-depressed cluster. The results showed that the non-depressed cluster included all the mild-depression subjects and part of the moderate-depression subjects of the distressed university students. On the other hand, the depressed cluster included other moderate-depression subjects and all the severe-depression subjects. These results indicate that the symptoms of mild depression among distressed university students have little in common with severe clinical depression. However there was a sequence of continuity between the symptoms of severe-depression subjects of the distressed university students and patients with severe clinical depression.
Key words: depression, continuity debate, analogue study