GO OKADA

Last Updated :2026/02/20

Affiliations, Positions
Graduate School of Biomedical and Health Sciences, Professor
Self-introduction
I have been taking part in the neuroimaging research in depression and stress related psychiatric disorders to understand their pathophysiology and improve the diagnosis and treatment.

Basic Information

Academic Degrees

  • Hiroshima University

Educational Activity

  • [Bachelor Degree Program] School of Medicine : Program of Medicine : Medicine
  • [Doctoral Program] Graduate School of Biomedical and Health Sciences : Division of Biomedical Sciences : Program of Medicine

Research Fields

  • Medicine,dentistry, and pharmacy;Clinical internal medicine;Psychiatric science

Research Keywords

  • depression
  • neuroimaging

Educational Activity

Course in Charge

  1. 2025, Liberal Arts Education Program1, 4Term, Brain Science
  2. 2025, Undergraduate Education, Intensive, Medical Neuroscience II
  3. 2025, Undergraduate Education, Year, Medical Neuroscience III
  4. 2025, Undergraduate Education, Intensive, Practice for medical research
  5. 2025, Undergraduate Education, Intensive, Practice of Medicine I
  6. 2025, Undergraduate Education, Intensive, Practice of Medicine II
  7. 2025, Undergraduate Education, 1Term, Psychiatry
  8. 2025, Undergraduate Education, 1Term, Psychiatry
  9. 2025, Graduate Education (Master's Program) , Second Semester, General Clinical Medicine and Dentistry
  10. 2025, Graduate Education (Master's Program) , 1Term, Advanced Lecture on Preventive Medicine for Evidence-based Health Guidance A
  11. 2025, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar on Psychiatry and Neurosciences
  12. 2025, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar on Psychiatry and Neurosciences
  13. 2025, Graduate Education (Doctoral Program) , First Semester, Advanced Research on Psychiatry and Neurosciences
  14. 2025, Graduate Education (Doctoral Program) , Second Semester, Advanced Research on Psychiatry and Neurosciences
  15. 2025, Graduate Education (Master's Program) , Year, Practicum in Psychology A

Research Activities

Academic Papers

  1. Microsleep-related behaviors observed in two cases undergoing maintenance of wakefulness tests with detailed whole-body video monitoring, SLEEP AND BIOLOGICAL RHYTHMS, 24(1), 131-134, 202601
    Link to Paper Search Results by DOI
  2. ★, Relationship between hippocampal volume and treatment response before and after escitalopram administration in patients with depression, TRANSLATIONAL PSYCHIATRY, 16(1), 20251230
    Link to Paper Search Results by DOI
  3. Identifying Physiological and Cognitive Indicators of Subthreshold Depression and Major Depressive Disorder Progression Risk, NEUROPSYCHIATRIC DISEASE AND TREATMENT, 22, 1-23, 2026
    Link to Paper Search Results by DOI
  4. Reduced functional connectome uniqueness on the whole brain and network levels as a clinically relevant and reproducible neuroimaging marker in major depressive disorder, JOURNAL OF AFFECTIVE DISORDERS, 399, 20260415
    Link to Paper Search Results by DOI
  5. Regional brain morphology and current antidepressant use: findings from 32 international cohorts from the ENIGMA major depressive disorder working group, MOLECULAR PSYCHIATRY, 30(12), 5625-5636, 202512
    Link to Paper Search Results by DOI
  6. ★, Computational mechanisms of neuroimaging biomarkers uncovered by multicenter resting-state fMRI connectivity variation profile, MOLECULAR PSYCHIATRY, 30(11), 5463-5474, 202511
    Link to Paper Search Results by DOI
  7. Lithium and valproate affect subcortical brain volumes in individuals with bipolar disorder: Mega-analysis of 235 individuals, JOURNAL OF AFFECTIVE DISORDERS, 381, 115-120, 20250715
    Link to Paper Search Results by DOI
  8. Alterations of Blood Plasma Metabolites, Including Kynurenine and Tryptophan, in Bipolar Disorder, NEUROPSYCHIATRIC DISEASE AND TREATMENT, 21, 1067-1073, 2025
    Link to Paper Search Results by DOI
  9. Generalizable and transportable resting-state neural signatures characterized by functional networks, neurotransmitters, and clinical symptoms in autism, MOLECULAR PSYCHIATRY, 30(4), 1466-1478, 202504
    Link to Paper Search Results by DOI
  10. Proposal for a Novel Classification of Patients With Enlarged Ventricles and Cognitive Impairment Based on Data-Driven Analysis of Neuroimaging Results in Patients With Psychiatric Disorders, NEUROPSYCHOPHARMACOLOGY REPORTS, 45(1), 202503
    Link to Paper Search Results by DOI
  11. Comprehensive evaluation of pipelines for classification of psychiatric disorders using multi-site resting-state fMRI datasets, NEURAL NETWORKS, 187, 202507
    Link to Paper Search Results by DOI
  12. Predicting Antidepressant Treatment Response From Cortical Structure on MRI: A Mega-Analysis From the ENIGMA-MDD Working Group, HUMAN BRAIN MAPPING, 46(1), 202501
    Link to Paper Search Results by DOI
  13. The status of MRI databases across the world focused on psychiatric and neurological disorders, PSYCHIATRY AND CLINICAL NEUROSCIENCES, 78(10), 563-579, 202410
    Link to Paper Search Results by DOI
  14. Effect of fatigue on the brain activity of radiologists while reading images, Hiroshima University Medical Press, 20231230
  15. Application of functional connectivity neurofeedback in patients with treatment-resistant depression: A preliminary report, Journal of Affective Disorders Reports, 14, 20231201
  16. Subcortical volumetric alterations in four major psychiatric disorders: a mega-analysis study of 5604 subjects and a volumetric data-driven approach for classification, MOLECULAR PSYCHIATRY, 28(12), 5206-5216, 20231228
  17. Cerebral cortical structural alteration patterns across four major psychiatric disorders in 5549 individuals, MOLECULAR PSYCHIATRY, 28(11), 4915-4923, 20231128
    Link to Paper Search Results by DOI
  18. Insula neuroanatomical networks predict interoceptive awareness, HELIYON, 9(8), 202308
    Link to Paper Search Results by DOI
  19. Aberrant Large-Scale Network Interactions Across Psychiatric Disorders Revealed by Large-Sample Multi-Site Resting-State Functional Magnetic Resonance Imaging Datasets, SCHIZOPHRENIA BULLETIN, 49(4), 933-943, 20230704
    Link to Paper Search Results by DOI
  20. ★, Resting-state functional connectivity disruption between the left and right pallidum as a biomarker for subthreshold depression, SCIENTIFIC REPORTS, 13(1), 20230418
    Link to Paper Search Results by DOI
  21. Distinctive alterations in the mesocorticolimbic circuits in various psychiatric disorders, PSYCHIATRY AND CLINICAL NEUROSCIENCES, 77(6), 345-354, 202306
    Link to Paper Search Results by DOI
  22. A large-scale ENIGMA multisite replication study of brain age in depression, Neuroimage: Reports, 2(4), 202212
  23. Interferon signaling and hypercytokinemia-related gene expression in the blood of antidepressant non-responders, HELIYON, 9(1), 202301
    Link to Paper Search Results by DOI
  24. ★, Examining the usefulness of the brain network marker program using fMRI for the diagnosis and stratification of major depressive disorder: a non-randomized study protocol, BMC PSYCHIATRY, 23(1), 20230124
    Link to Paper Search Results by DOI
  25. ★, Verification of the brain network marker of major depressive disorder: Test-retest reliability and anterograde generalization performance for newly acquired data, JOURNAL OF AFFECTIVE DISORDERS, 326, 262-266, 20230401
    Link to Paper Search Results by DOI
  26. 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
    Link to Paper Search Results by DOI
  27. Maximum Credibility Voting (MCV) - An Integrative Approach for Accurate Diagnosis of Major Depressive Disorder from Clinically Readily Available Data, APSIPA TRANSACTIONS ON SIGNAL AND INFORMATION PROCESSING, 11(1), 2022
    Link to Paper Search Results by DOI
  28. The neuroanatomy of social trust predicts depression vulnerability, SCIENTIFIC REPORTS, 12(1), 20221006
    Link to Paper Search Results by DOI
  29. ★, Left DLPFC activity is associated with plasma kynurenine levels and can predict treatment response to escitalopram in major depressive disorder, PSYCHIATRY AND CLINICAL NEUROSCIENCES, 76(8), 367-376, 202208
    Link to Paper Search Results by DOI
  30. ★, Trace of depression: Network structure of depressive symptoms in different clinical conditions, EUROPEAN PSYCHIATRY, 65(1), 20220311
    Link to Paper Search Results by DOI
  31. Decreased physical activity with subjective pleasure is associated with avoidance behaviors, SCIENTIFIC REPORTS, 12(1), 20220218
    Link to Paper Search Results by DOI
  32. ★, Attenuated left prefrontal activation during a verbal fluency task in patients with depression., Neuropsychobiology, 47, 21-26, 20030401
  33. Brain activity during expectancy of emotional stimuli: an fMRI study., NeuroReport, 14, 51-55, 20030401
  34. Negative correlation between right prefrontal activity during response inhibition and impulsiveness: A fMRI study., European Archives of Psychiatry and Clinical Neuroscience, 254, 245-251, 20040401
  35. ★, Prediction of immediate and future rewards differentially recruits cortico-basal ganglia loops., Nature Neuroscience, 7, 887-893, 20040401
  36. Brain mechanism of reward prediction under predictable and unpredictable environmental dynamics., Neural Networks in Healthcare: Potential and Challenges, 19, 1233-1241, 20060401
  37. Gender differences in brain activity toward unpleasant linguistic stimuli concerning interpersonal relationships: an fMRI study., European Archives of Psychiatry and Clinical Neuroscience, 255, 327-333, 20050401
  38. ★, Reduced activation of posterior cingulate cortex during imagery in subjects with high degrees of alexithymia: a functional magnetic resonance imaging study., Biological Psychiatry, 57, 982-990, 20050401
  39. ★, Attenuated anterior cingulate activation during a verbal fluency task in elderly patients with a history of multiple-episode depression., American Journal of Geriatric Psychiatry, 15(7), 594-603, 20070701
  40. ★, Modulation of default-mode network activity by acute tryptophan depletion is associated with mood change: A resting state functional magnetic resonance imaging study, NEUROSCIENCE RESEARCH, 69(2), 129-134, 201102
    Link to Paper Search Results by DOI
  41. Personality traits and the amplitude of spontaneous low-frequency oscillations during resting state, NEUROSCIENCE LETTERS, 492(2), 109-113, 2011
    Link to Paper Search Results by DOI
  42. Inter-individual discount factor differences in reward prediction are topographically associated with caudate activation, EXPERIMENTAL BRAIN RESEARCH, 212(4), 593-601, 201108
    Link to Paper Search Results by DOI
  43. ★, The Effect of Negative and Positive Emotionality on Associative Memory: An fMRI Study, PLOS ONE, 6(9), 2011
    Link to Paper Search Results by DOI
  44. ★, Neural and Personality Correlates of Individual Differences Related to the Effects of Acute Tryptophan Depletion on Future Reward Evaluation, NEUROPSYCHOBIOLOGY, 65(2), 55-64, 2012
    Link to Paper Search Results by DOI
  45. Sadness Enhances the Experience of Pain and Affects Pain-Evoked Cortical Activities: An MEG Study, JOURNAL OF PAIN, 13(7), 628-635, 201207
    Link to Paper Search Results by DOI
  46. Effects of depression on reward-based decision making and variability of action in probabilistic learning, JOURNAL OF BEHAVIOR THERAPY AND EXPERIMENTAL PSYCHIATRY, 43(4), 1088-1094, 201212
    Link to Paper Search Results by DOI
  47. SEX DIFFERENCES IN NEURAL ACTIVATION TO AMBIGUOUS FACIAL EXPRESSION IN HAPPY AND SAD CONTEXT, PERCEPTUAL AND MOTOR SKILLS, 115(2), 349-359, 201210
    Link to Paper Search Results by DOI
  48. Depressive symptoms and apathy are associated with psychomotor slowness and frontal activation, EUROPEAN ARCHIVES OF PSYCHIATRY AND CLINICAL NEUROSCIENCE, 262(6), 493-499, 201209
    Link to Paper Search Results by DOI
  49. Cognitive behavioral therapy for depression changes medial prefrontal and ventral anterior cingulate cortex activity associated with self-referential processing, SOCIAL COGNITIVE AND AFFECTIVE NEUROSCIENCE, 9(4), 487-493, 201403
    Link to Paper Search Results by DOI
  50. Psychosocial functioning is correlated with activation in the anterior cingulate cortex and left lateral prefrontal cortex during a verbal fluency task in euthymic bipolar disorder: A preliminary fMRI study, PSYCHIATRY AND CLINICAL NEUROSCIENCES, 68(3), 188-196, 201403
    Link to Paper Search Results by DOI
  51. Possible involvement of rumination in gray matter abnormalities in persistent symptoms of major depression: An exploratory magnetic resonance imaging voxel-based morphometry study, JOURNAL OF AFFECTIVE DISORDERS, 168, 229-235, 2014
    Link to Paper Search Results by DOI
  52. Hippocampal activation during associative encoding of word pairs and its relation to symptomatic improvement in depression: A functional and volumetric MRI study, JOURNAL OF AFFECTIVE DISORDERS, 152, 462-467, 201401
    Link to Paper Search Results by DOI
  53. fMRI Study of Social Anxiety during Social Ostracism with and without Emotional Support, PLOS ONE, 10(5), 2015
    Link to Paper Search Results by DOI
  54. Direct and indirect influences of childhood abuse on depression symptoms in patients with major depressive disorder, BMC PSYCHIATRY, 15, 2015
    Link to Paper Search Results by DOI
  55. ★, Behavioral activation can normalize neural hypoactivation in subthreshold depression during a monetary incentive delay task, JOURNAL OF AFFECTIVE DISORDERS, 189, 254-262, 2016
    Link to Paper Search Results by DOI
  56. ★, Childhood poverty and recruitment of adult emotion regulatory neurocircuitry, SOCIAL COGNITIVE AND AFFECTIVE NEUROSCIENCE, 10(11), 1596-1606, 201511
    Link to Paper Search Results by DOI
  57. ★, Changes in the regional cerebral blood flow detected by arterial spin labeling after 6-week escitalopram treatment for major depressive disorder, JOURNAL OF AFFECTIVE DISORDERS, 194, 135-143, 201604
    Link to Paper Search Results by DOI
  58. ★, Association of thalamic hyperactivity with treatment-resistant depression and poor response in early treatment for major depression: a resting-state fMRI study using fractional amplitude of low-frequency fluctuations, TRANSLATIONAL PSYCHIATRY, 6, 2016
    Link to Paper Search Results by DOI
  59. Cognitive behavioral therapy changes functional connectivity between medial prefrontal and anterior cingulate cortices, JOURNAL OF AFFECTIVE DISORDERS, 208, 610-614, 2017
    Link to Paper Search Results by DOI
  60. Increased amygdala reactivity following early life stress: a potential resilience enhancer role, BMC PSYCHIATRY, 17, 2017
    Link to Paper Search Results by DOI
  61. ★, Effects of behavioural activation on the neural basis of other perspective self-referential processing in subthreshold depression: a functional magnetic resonance imaging study, PSYCHOLOGICAL MEDICINE, 47(5), 877-888, 201704
    Link to Paper Search Results by DOI
  62. ★, Disrupted Brain Activation and Deactivation Pattern during Semantic Verbal Fluency Task in Patients with Major Depression, NEUROPSYCHOBIOLOGY, 74(2), 69-77, 2016
    Link to Paper Search Results by DOI
  63. Neural circuitry of emotion regulation: Effects of appraisal, attention, and cortisol administration, COGNITIVE AFFECTIVE & BEHAVIORAL NEUROSCIENCE, 17(2), 437-451, 201704
    Link to Paper Search Results by DOI
  64. Regional brain functions in the resting state indicative of potential differences between depression and chronic pain, SCIENTIFIC REPORTS, 7, 2017
    Link to Paper Search Results by DOI
  65. The neural correlates of the metacognitive function of other perspective: a multiple regression analysis study, NEUROREPORT, 28(11), 671-676, 2017
    Link to Paper Search Results by DOI
  66. Prediction of clinical depression scores and detection of changes in whole-brain using resting-state functional MRI data with partial least squares regression, PLOS ONE, 12(7), 2017
    Link to Paper Search Results by DOI
  67. Patients with major depressive disorder exhibit reduced reward size coding in the striatum, PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY, 79, 317-323, 2017
    Link to Paper Search Results by DOI
  68. Multiple co-clustering based on nonparametric mixture models with heterogeneous marginal distributions, PLOS ONE, 12(10), 2017
    Link to Paper Search Results by DOI
  69. BDNF as a possible modulator of EEG oscillatory response at the parietal cortex during visuo-tactile integration processes using a rubber hand, NEUROSCIENCE RESEARCH, 124, 16-24, 201711
    Link to Paper Search Results by DOI
  70. Functional alterations of Postcentral gyrus Modulated by angry Facial expressions during intraoral Tactile stimuli in Patients with Burning Mouth syndrome: a Functional Magnetic resonance imaging study, FRONTIERS IN PSYCHIATRY, 8, 2017
    Link to Paper Search Results by DOI
  71. 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, 201802
    Link to Paper Search Results by DOI
  72. Changes in resting-state brain networks after cognitive-behavioral therapy for chronic pain, PSYCHOLOGICAL MEDICINE, 48(7), 1148-1156, 201805
    Link to Paper Search Results by DOI
  73. ★, Effects of behavioural activation on the neural circuit related to intrinsic motivation, BJPSYCH OPEN, 4(5), 317-323, 201809
    Link to Paper Search Results by DOI
  74. A prediction model of working memory across health and psychiatric disease using whole-brain functional connectivity, ELIFE, 7, 20181210
    Link to Paper Search Results by DOI
  75. Distinctive Neuroanatomical Substrates for Depression in Bipolar Disorder versus Major Depressive Disorder, CEREBRAL CORTEX, 29(1), 202-214, 201901
    Link to Paper Search Results by DOI
  76. Harmonization of resting-state functional MRI data across multiple imaging sites via the separation of site differences into sampling bias and measurement bias, PLOS BIOLOGY, 17(4), 201904
    Link to Paper Search Results by DOI
  77. ★, Identification of depression subtypes and relevant brain regions using a data-driven approach, SCIENTIFIC REPORTS, 8, 20180920
    Link to Paper Search Results by DOI
  78. ★, Predicting Ventral Striatal Activation During Reward Anticipation From Functional Connectivity at Rest, FRONTIERS IN HUMAN NEUROSCIENCE, 13, 20190827
    Link to Paper Search Results by DOI
  79. White matter microstructural alterations across four major psychiatric disorders: mega-analysis study in 2937 individuals, MOLECULAR PSYCHIATRY, 25(4), 883-895, 202004
    Link to Paper Search Results by DOI
  80. Importance of the Habenula for Avoidance Learning Including Contextual Cues in the Human Brain: A Preliminary fMRI Study, FRONTIERS IN HUMAN NEUROSCIENCE, 14, 20200512
    Link to Paper Search Results by DOI
  81. Antidepressive effect of left dorsolateral prefrontal cortex neurofeedback in patients with major depressive disorder: A preliminary report, JOURNAL OF AFFECTIVE DISORDERS, 271, 224-227, 20200615
    Link to Paper Search Results by DOI
  82. Enhancing Multi-Center Generalization of Machine Learning-Based Depression Diagnosis From Resting-State fMRI, FRONTIERS IN PSYCHIATRY, 11, 20200528
    Link to Paper Search Results by DOI
  83. ★, Primary functional brain connections associated with melancholic major depressive disorder and modulation by antidepressants, SCIENTIFIC REPORTS, 10(1), 20200226
    Link to Paper Search Results by DOI
  84. ★, Kynurenic acid is a potential overlapped biomarker between diagnosis and treatment response for depression from metabolome analysis, SCIENTIFIC REPORTS, 10(1), 20201008
    Link to Paper Search Results by DOI
  85. ★, Generalizable brain network markers of major depressive disorder across multiple imaging sites, PLOS BIOLOGY, 18(12), 202012
    Link to Paper Search Results by DOI
  86. Personality classification enhances blood metabolome analysis and biotyping for major depressive disorders: two-species investigation, JOURNAL OF AFFECTIVE DISORDERS, 279, 20-30, 20210115
    Link to Paper Search Results by DOI
  87. ★, White matter abnormalities and cognitive function in euthymic patients with bipolar disorder and major depressive disorder, BRAIN AND BEHAVIOR, 10(12), 202012
    Link to Paper Search Results by DOI
  88. ★, Age-related white matter changes revealed by a whole-brain fiber-tracking method in bipolar disorder compared to major depressive disorder and healthy controls, PSYCHIATRY AND CLINICAL NEUROSCIENCES, 75(2), 46-56, 202102
    Link to Paper Search Results by DOI
  89. Common Brain Networks Between Major Depressive-Disorder Diagnosis and Symptoms of Depression That Are Validated for Independent Cohorts, FRONTIERS IN PSYCHIATRY, 12, 20210610
    Link to Paper Search Results by DOI
  90. Optimized protocol for the extraction of RNA and DNA from frozen whole blood sample stored in a single EDTA tube, SCIENTIFIC REPORTS, 11(1), 20210823
    Link to Paper Search Results by DOI
  91. A multi-site, multi-disorder resting-state magnetic resonance image database, SCIENTIFIC DATA, 8(1), 20210830
    Link to Paper Search Results by DOI
  92. Brain changes associated with impaired attention function in chronic pain, BRAIN AND COGNITION, 154, 202111
    Link to Paper Search Results by DOI
  93. Modeling Heterogeneous Brain Dynamics of Depression and Melancholia Using Energy Landscape Analysis, FRONTIERS IN PSYCHIATRY, 12, 20211125
    Link to Paper Search Results by DOI
  94. Resting-state brain activity can predict target-independent aptitude in fMRI-neurofeedback training, NEUROIMAGE, 245, 20211215
    Link to Paper Search Results by DOI

Invited Lecture, Oral Presentation, Poster Presentation

  1. fMRI biomarker for major depressive disorder and the treatment response, Okada G, Takamura M, the 6th Asian College of Neuropsychopharmacology, 2019/10/13, Without Invitation, English
  2. Cortisol modulation of emotion regulation neurocircuits in PTSD, Go Okada, Sean T. Ma, S. Shaun Ho, Stephen Taylor, James L. Abelson, Israel Liberzon, 30th CINP World Congress, 2016/07/05, Without Invitation, English
  3. Toward an Understanding of the Neurobiological Basis of Late Life Depression: Brain imaging and Blood Biomarker Study, Okada G, Okamoto Y, Takamura M, Matsumoto T, Yamawaki S, 15th Annual meeting of the International College of Geriatric Psychoneuropharmacolog, 2015/10/08, Without Invitation, English

Awards

  1. 2009/11/04, International College of Geriatric Psychoneuropharmacology (ICGP) Junior Investigator Award