KOKI TAKAGAKI

Last Updated :2024/05/07

Affiliations, Positions
Health Service Center, Associate Professor
Web Site
E-mail
koki-takagakihiroshima-u.ac.jp

Basic Information

Major Professional Backgrounds

  • 2011/04, 2013/03, Japan Society for the promotion of Science, research fellow(DC2)
  • 2013/04/01, 2017/03/31, Department of Psychiatry and Neurosciences, Hiroshima University, researcher
  • 2017/04/01, 2018/03/31, Department of Psychiatry and Neurosciences, Hiroshima University, Researcher
  • 2018/04/01, 2023/03/31, Health Service Center, Hiroshima University, Assistant professor
  • 2023/04/01, Health Service Center, Hiroshima University, Associate Professor

Academic Degrees

  • Health Sciences University of Hokkaido
  • Health Sciences University of Hokkaido

Research Fields

  • Social sciences;Psychology;Clinicapl s ychology

Research Keywords

  • Clinical Psychology
  • cognitive behavioral therapy
  • Mood Disorder

Educational Activity

Course in Charge

  1. 2024, Liberal Arts Education Program1, 3Term, Introduction to Student Wellness
  2. 2024, Undergraduate Education, 3Term, Health and Medical Psychology

Research Activities

Academic Papers

  1. ★, Relationship Between Value-Based Behaviors and Scheduled Activities of University Students Before and During the COVID-19 Pandemic: A Longitudinal Cross-Lagged Model., Psychopathology, 57, 70-75, 2024
  2. ★, Factors Associated with University Students' Deterioration from Subthreshold Depression to Depression before and during the COVID-19 Pandemic, BEHAVIORAL SCIENCES, 13(1), 202301
  3. Day-to-day regularity and diurnal switching of physical activity reduce depression-related behaviors: a time-series analysis of wearable device data, BMC PUBLIC HEALTH, 23(1), 20230106
  4. Changes in eating attitudes and risk for developing disordered eating behaviors in college students with subthreshold eating disorders: A cohort study., Psychopathology, 56, 276-284, 2023
  5. Trace of depression: Network structure of depressive symptoms in different clinical conditions, EUROPEAN PSYCHIATRY, 65(1), 20220311
  6. Decreased physical activity with subjective pleasure is associated with avoidance behaviors, SCIENTIFIC REPORTS, 12(1), 20220218
  7. Mediating effect of environmental rewards on the relation between goal-directed behaviour and anhedonia., Current Psychology, 40, 3651-3658, 2021
  8. ★, Do Self-Compassion Factors Affect Value-Based Behavior Promotion for Adolescents? The Context of Behavioral Activation, FRONTIERS IN PSYCHOLOGY, 12, 20211014
  9. Differences in the association between avoidance and environmental rewards by three symptoms of depression, Current Psychology, 42, 7990-7997, 2023
  10. ★, Relations among clinical factors after behavioral activation for subthreshold depression., International Journal of Cognitive Therapy., 14, 612-622, 2021
  11. ★, Roles of Trait Mindfulness in Behavioral Activation Mechanism for Patients With Major Depressive Disorder, FRONTIERS IN PSYCHOLOGY, 11, 20200429
  12. Role of coping with negative emotions in cognitive behavioral therapy for persistent somatoform pain disorder: Is it more important than pain catastrophizing?, PSYCHIATRY AND CLINICAL NEUROSCIENCES, 73(9), 560-565, 201909
  13. Predicting Ventral Striatal Activation During Reward Anticipation From Functional Connectivity at Rest, FRONTIERS IN HUMAN NEUROSCIENCE, 13, 289, 20190827
  14. Effects of behavioral activation on the neural circuit related to intrinsic motivation., BJPsych Open, 4(5), 317-323, 2018
  15. ★, Effects of behavioral activation program without psychotropic medication treatment for depression in late adolescence: Case report., Neuropsychiatric Disease and Treatment, 14, 2159-2164, 2018
  16. ★, Enduring effects of a 5-week behavioral activation program for subthreshold depression among late adolescents: an exploratory randomized controlled trial, NEUROPSYCHIATRIC DISEASE AND TREATMENT, 14, 2633-2641, 2018
  17. Effects of behavioral activation on default mode network connectivity in subthreshold depression: a preliminary resting-state fMRI study., Journal of Affective Disorders, 227, 156-163, 2018
  18. Association of perfectionistic and dependent dysfunctional attitudes with subthreshold depression., Psychology Research and Behavior Management, 10, 271-275, 2017
  19. The neural correlates of the metacognitive function of other perspective: a multiple regression analysis study., Neuroreport, 28, 671-676, 2017
  20. Effects of behavioral activation on the neural basis of other self referential processing in subthreshold depression: An fMRI study., Psychological Medicine, 47, 877-888, 2017
  21. Detailed course of depressive symptoms and risk for developing depression in late adolescents with subthreshold depression: cohort study., Neuropsychiatric Disease and Treatment, 13, 25-33, 2017
  22. ★, Mechanisms of behavioral activation for late adolescents: Positive reinforcement mediate the relationship between activation and depressive symptoms from pre-treatment to post-treatment., Journal of Affective Disorders, 204, 70-73, 2016
  23. ★, Behavioral activation for late adolescents with subthreshold depression: a randomized controlled trial., European Child & Adolescent Psychiatry, 25, 1171-1182, 2016
  24. Behavioral activation can normalize neural hypoactivation in subthreshold depression during a monetary incentive delay task., Journal of Affective Disorders, 189, 254-262, 2016
  25. Direct and indirect influence of childhood abuse on depressive symptoms in patients with major depressive disorder., BMC Psychiatry, 15, 224, 2015
  26. Do individuals with alcohol dependence show higher unfairness sensitivity? The relationship between impulsivity and unfairness sensitivity in alcohol dependent adults., Alcoholism: Clinical and Experimental Research, 39, 2016-2021, 2015
  27. Effectiveness of group cognitive behavioral therapy (GCBT) for somatoform pain disorder patients in Japan: A preliminary non-case-control study., Psychiatry and Clinical Neuroscience, 69, 763-772, 2015
  28. fMRI study of social anxiety during social ostracism with and without emotional support., Plos One, e0127426., 2015
  29. ★, Behavioral characteristics of subthreshold depression., Journal of Affective Disorders,, 168, 472-475, 2014
  30. ★, Preliminary assessment of the behavioral activation model in Japanese undergraduate students, Psychological Reports, 112, 47-59, 2013

Invited Lecture, Oral Presentation, Poster Presentation

  1. Development of behavioral modification program based on personalized value for late adolescents with depression, Takagaki, K., Yokoyama, S., Okamoto, Y., International Symposium on Adolescent Health and Personalized Value., 2018, With Invitation, English

Social Activities

History as Peer Reviews of Academic Papers

  1. 2018, European Child & Adolescent Psychiatry
  2. 2019, The Japanese Psychological Research
  3. 2019, Journal of Affective Disorders
  4. 2020, The Japanese Psychological Research
  5. 2020, Journal of Affective Disorders