Yoshifumi Takai

ORCID: 0000-0003-2259-7103
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About
Contact & Profiles
Research Areas
  • Functional Brain Connectivity Studies
  • Neural dynamics and brain function
  • Mental Health Research Topics
  • Neuroscience and Music Perception
  • Advanced Neuroimaging Techniques and Applications
  • Advancements in Photolithography Techniques
  • Force Microscopy Techniques and Applications
  • Nanofabrication and Lithography Techniques
  • Biochemical and Structural Characterization
  • Bipolar Disorder and Treatment
  • Eating Disorders and Behaviors
  • Schizophrenia research and treatment
  • Child and Adolescent Psychosocial and Emotional Development
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Antimicrobial Peptides and Activities
  • Signaling Pathways in Disease
  • Testicular diseases and treatments
  • Tryptophan and brain disorders

Kyushu University
2022-2024

Oita University
2011

Hamamatsu University School of Medicine
2008

Validating the vulnerabilities and pathologies underlying treatment-resistant schizophrenia (TRS) is an important challenge in optimizing treatment. Gyrification surface area (SA), reflecting neurodevelopmental features, have been linked to genetic vulnerability schizophrenia. The aim of this study was identify gyrification SA abnormalities specific TRS.We analyzed 3T magnetic resonance imaging findings 24 healthy controls (HCs), 20 responders first-line antipsychotics (FL-Resp), 41 patients...

10.1111/pcn.13482 article EN cc-by Psychiatry and Clinical Neurosciences 2022-09-27

Immune dysfunction has been proposed as a mechanism for the pathophysiology of autistic-spectrum disorders. The selectin family adhesion molecules plays prominent role in immune/inflammatory responses. We determined serum levels three types soluble-form (sP, sL and sE) 15 men with high-functioning autism 22 age-matched healthy controls by enzyme-linked immunosorbent assay. Levels sP-selectin sL-selectin were significantly lower patients than controls. Furthermore, negatively correlated...

10.1192/bjp.bp.107.043497 article EN The British Journal of Psychiatry 2008-09-30

Introduction Gamma-band oscillatory deficits have attracted considerable attention as promising biomarkers of schizophrenia (SZ). Notably, a reduced auditory steady-state response (ASSR) in the low gamma band (40 Hz) is widely recognized robust finding among SZ patients. However, comprehensive investigation into potential utility high-gamma-band ASSR detecting altered neural oscillations has not yet been conducted. Methods The present study aimed to assess using magnetoencephalography (MEG)...

10.3389/fnins.2023.1277733 article EN cc-by Frontiers in Neuroscience 2023-10-24

Aims: The aim of this study was to investigate the effects temperament on quality life and social adaptation in depressive patients with mood disorder. Methods: Forty‐six consecutive outpatients were investigated by using Temperament Evaluation Memphis, Pisa, Paris San Diego‐Autoquestionnaire version, Munich Personality Test, World Health Organization Quality Life 26 (WHO QOL 26), Social Adaptation Self‐evaluation Scale (SASS). unpaired t ‐test, Pearson's r multiple regression analysis used...

10.1111/j.1440-1819.2011.02227.x article EN Psychiatry and Clinical Neurosciences 2011-06-16

Prominent pathological hypotheses for schizophrenia include auditory processing deficits and dysconnectivity within cerebral networks. However, most neuroimaging studies have focused on impairments in either resting-state or task-related functional connectivity patients with schizophrenia. The aims of our study were to examine (1) blood oxygen level-dependent (BOLD) signals during steady-state response (ASSR) tasks, (2) the ASSR tasks (3) state shifts between To reduce consequences scanner...

10.1111/ejn.16298 article EN cc-by European Journal of Neuroscience 2024-03-05

As the emphasis on critical dimension (CD) control in sub-micron lithography becomes more important, mechanism of development process and different contributing factors will need to be further explored by equipment manufacturers. It was observed that use reticles with smaller exposed area ratio (EAR) have affects CD uniformity. To gain better CDs, we examined several process. Some significant are EAR rapid concentration changes tetrametylammonium hydroxide (TMAH) surrounding resist patterns...

10.1117/12.474166 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2002-07-15
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