Jin Narumoto
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View article: Effects of dance training on oxytocin secretion and neural activity in older adults with subjective cognitive decline
Effects of dance training on oxytocin secretion and neural activity in older adults with subjective cognitive decline Open
Background and Objectives Subjective cognitive decline (SCD) is a preclinical stage of mild cognitive impairment (MCI). Although dance training has been shown to be beneficial for mental health, cognitive function, and neural activity in o…
View article: Corticosteroids with low glucocorticoid activity as a potential therapeutic strategy for post‐COVID‐19 myalgic encephalomyelitis/chronic fatigue syndrome in patients with bipolar affective disorder: A case report
Corticosteroids with low glucocorticoid activity as a potential therapeutic strategy for post‐COVID‐19 myalgic encephalomyelitis/chronic fatigue syndrome in patients with bipolar affective disorder: A case report Open
Background The COVID‐19 pandemic has led to an increase in post‐acute sequelae, including myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), potentially mediated by dysfunction of the hypothalamic–pituitary–adrenal (HPA) axis. Co…
View article: Predicting 5-Year Survival and Mortality in Dementia Patients: A Data-Driven Approach Using XGBoost for Enhanced Care and Resource Allocation
Predicting 5-Year Survival and Mortality in Dementia Patients: A Data-Driven Approach Using XGBoost for Enhanced Care and Resource Allocation Open
Objective This study develops an eXtreme Gradient Boosting (XGBoost) regression model to identify key predictors of mortality and 5-year survival in dementia patients, highlighting the role of comorbidities. The findings highlight key risk…
View article: Regional, functional and transcriptomic decoding of multidimensional brain structure alterations in obsessive-compulsive disorder
Regional, functional and transcriptomic decoding of multidimensional brain structure alterations in obsessive-compulsive disorder Open
Studies of brain morphology in mental illness often incompletely characterize structural variation, focusing on a few neuroimaging phenotypes. Here we present a comprehensive morphological characterization in obsessive-compulsive disorder …
View article: FREQUENCY AND PREDICTORS OF PERIOPERATIVE PSYCHIATRIC SYMPTOM WORSENING IN PATIENTS WITH SCHIZOPHRENIA SPECTRUM DISORDERS
FREQUENCY AND PREDICTORS OF PERIOPERATIVE PSYCHIATRIC SYMPTOM WORSENING IN PATIENTS WITH SCHIZOPHRENIA SPECTRUM DISORDERS Open
Background Schizophrenia spectrum disorders (SSDs), including schizophrenia, are serious and chronic illness. Schizophrenia patients are two- to three-times more likely to die early than the general population, and disparities in their acc…
View article: CLINICAL EPIDEMIOLOGY OF THE EFFECT OF NOVEL HYPNOTICS ON PRESCRIBING CHANGES IN PATIENTS USING BENZODIAZEPINE RECEPTOR AGONISTS
CLINICAL EPIDEMIOLOGY OF THE EFFECT OF NOVEL HYPNOTICS ON PRESCRIBING CHANGES IN PATIENTS USING BENZODIAZEPINE RECEPTOR AGONISTS Open
Background Insomnia is one of the most common disorders in the general population. Although non- pharmacologic interventions are the first-line treatment in many cases[1], pharmacotherapy is an important option in treatment. Because of the…
View article: QUANTITATIVE CHANGES IN COGNITIVE FLEXIBILITY INDUCED BY TRANSCRANIAL MAGNETIC STIMULATION IN DEPRESSION: A PRELIMINARY REPORT
QUANTITATIVE CHANGES IN COGNITIVE FLEXIBILITY INDUCED BY TRANSCRANIAL MAGNETIC STIMULATION IN DEPRESSION: A PRELIMINARY REPORT Open
Background Cognitive behavioral therapy (CBT) and pharmacotherapy have been shown to be effective for depression, but inflexible cognition makes it difficult to introduce these therapies, and even when treated with CBT, cognitive change is…
View article: “Continuous Neural Correlates of Imbalanced Reinforcement Learning in Obsessive-Compulsive Disorder and Healthy Individuals”
“Continuous Neural Correlates of Imbalanced Reinforcement Learning in Obsessive-Compulsive Disorder and Healthy Individuals” Open
Aim Obsessive-compulsive disorder (OCD) is characterized by imbalanced reinforcement learning. This study investigated neural correlates of this imbalance by examining resting-state functional connectivity (rs-fMRI) in non-medicated OCD pa…
View article: Effectiveness of a Virtual Reality Open-Air Bath Program in Reducing Loneliness and Improving Brain Function for Dementia Prevention in Older Adults: Protocol for a Prospective Randomized Crossover Study
Effectiveness of a Virtual Reality Open-Air Bath Program in Reducing Loneliness and Improving Brain Function for Dementia Prevention in Older Adults: Protocol for a Prospective Randomized Crossover Study Open
Background Older adults often face loneliness due to chronic illness or loss of close ones, a situation worsened by the COVID-19 pandemic. Increased loneliness heightens the risk of diseases, especially dementia, necessitating urgent actio…
View article: Computational Mechanisms of Neuroimaging Biomarkers Uncovered by Multicenter Resting-State fMRI Connectivity Variation Profile
Computational Mechanisms of Neuroimaging Biomarkers Uncovered by Multicenter Resting-State fMRI Connectivity Variation Profile Open
Resting-state functional connectivity (rsFC) is increasingly used to develop biomarkers for psychiatric disorders. Despite progress, development of the reliable and practical FC biomarker remains an unmet goal, particularly one that is cli…
View article: Validation of Wistar-Kyoto rats kept in solitary housing as an animal model for depression using voxel-based morphometry
Validation of Wistar-Kyoto rats kept in solitary housing as an animal model for depression using voxel-based morphometry Open
Major depressive disorder is a common psychiatric condition often resistant to medication. The Wistar-Kyoto (WKY) rat has been suggested as an animal model of depression; however, it is still challenging to translate results from animal mo…
View article: Effectiveness of a Virtual Reality Open-Air Bath Program in Reducing Loneliness and Improving Brain Function for Dementia Prevention in Older Adults: Protocol for a Prospective Randomized Crossover Study (Preprint)
Effectiveness of a Virtual Reality Open-Air Bath Program in Reducing Loneliness and Improving Brain Function for Dementia Prevention in Older Adults: Protocol for a Prospective Randomized Crossover Study (Preprint) Open
BACKGROUND Older adults often face loneliness due to chronic illness or loss of close ones, a situation worsened by the COVID-19 pandemic. Increased loneliness heightens the risk of diseases, especially dementia, necessitating urgent acti…
View article: Relationship between Loneliness and Mild Behavioral Impairment: Validation of the Japanese Version of the MBI Checklist and a Cross-Sectional Study
Relationship between Loneliness and Mild Behavioral Impairment: Validation of the Japanese Version of the MBI Checklist and a Cross-Sectional Study Open
Background: Mild behavioral impairment (MBI) and loneliness are associated with cognitive decline and an increased risk of dementia. Objective: Our aim was to examine the validity of the Japanese version of the MBI checklist (MBI-C) and in…
View article: Effectiveness of a Virtual Reality Open-Air Bath Program in Reducing Loneliness and Improving Brain Function for Dementia Prevention in Older Adults: A Prospective Randomized Crossover Study Protocol
Effectiveness of a Virtual Reality Open-Air Bath Program in Reducing Loneliness and Improving Brain Function for Dementia Prevention in Older Adults: A Prospective Randomized Crossover Study Protocol Open
Background Older adults often face loneliness due to chronic illness or loss of close ones, a situation worsened by COVID-19. Increased loneliness heightens the risk of diseases, especially dementia, necessitating urgent action. This study…
View article: The subjective assessment of work and social adjustment impairments and associated psychopathologies in Japanese adult female patients with anorexia nervosa
The subjective assessment of work and social adjustment impairments and associated psychopathologies in Japanese adult female patients with anorexia nervosa Open
Aim Patients with anorexia nervosa (AN) sometimes undergo a chronic course, and they hardly maintain social participation. Work and social adjustment impairments are generally significantly associated with the clinical symptoms of eating d…
View article: Relationship between eating problems and the risk of dementia: A retrospective study
Relationship between eating problems and the risk of dementia: A retrospective study Open
Background Older adults and individuals with decreased cognition often experience appetite changes and weight loss. As weight loss can result in cognitive decline, change in appetite may be an important contributor to the onset of dementia…
View article: Contribution of amyloid and putative Lewy body pathologies in neuropsychiatric symptoms
Contribution of amyloid and putative Lewy body pathologies in neuropsychiatric symptoms Open
Objectives Neuropsychiatric symptom could be useful for detecting patients with prodromal dementia. Similarities and differences in the NPSs between preclinical/prodromal Alzheimer's disease (AD) and prodromal Parkinson's disease dementia …
View article: Correction: The functional connectome in obsessive-compulsive disorder: resting-state mega-analysis and machine learning classification for the ENIGMA-OCD consortium
Correction: The functional connectome in obsessive-compulsive disorder: resting-state mega-analysis and machine learning classification for the ENIGMA-OCD consortium Open
Correction to: Molecular Psychiatry, published online 2 May 2023 In this article Honami Arai, Irene Bollettini, Rosa Calvo Escalona, Ana Coelho, Federica Colombo, Leila Darwich, Martine Fontaine, Toshikazu Ikuta, Jonathan C. Ipser, Asier J…
View article: White matter diffusion estimates in obsessive-compulsive disorder across 1,653 individuals: Machine learning findings from the ENIGMA OCD Working Group
White matter diffusion estimates in obsessive-compulsive disorder across 1,653 individuals: Machine learning findings from the ENIGMA OCD Working Group Open
White matter pathways, typically studied with diffusion tensor imaging (DTI), have been implicated in the neurobiology of obsessive-compulsive disorder (OCD). However, due to limited sample sizes and the predominance of single-site studies…
View article: Neuroimaging of mild behavioral impairment: A systematic review
Neuroimaging of mild behavioral impairment: A systematic review Open
There are many neuroimaging studies of mild behavioral impairment (MBI), but the results have been somewhat inconsistent. Moreover, it remains unclear whether MBI is a risk factor or prodromal symptom of dementia. Therefore, a systematic r…
View article: Editorial: Interoception and the autonomic nervous system: Investigating affect, decision-making, and mental health
Editorial: Interoception and the autonomic nervous system: Investigating affect, decision-making, and mental health Open
EDITORIAL article Front. Neurosci., 13 January 2023Sec. Autonomic Neuroscience Volume 16 - 2022 | https://doi.org/10.3389/fnins.2022.1130324
View article: Memory trace imbalance in reinforcement and punishment systems can reinforce implicit choices leading to obsessive-compulsive behavior
Memory trace imbalance in reinforcement and punishment systems can reinforce implicit choices leading to obsessive-compulsive behavior Open
We may view most of our daily activities as rational action selections; however, we sometimes reinforce maladaptive behaviors despite having explicit environmental knowledge. In this study, we model obsessive-compulsive disorder (OCD) symp…
View article: Psychosocial characteristics of victims of special fraud among Japanese older adults: A cross-sectional study using scam vulnerability scale
Psychosocial characteristics of victims of special fraud among Japanese older adults: A cross-sectional study using scam vulnerability scale Open
Despite the police preventing special fraud victimisation of older adults, both the number of cases and the amount of damage have remained high in Japan. ‘Special fraud’, in Japan, is a crime in which victims are tricked by fraudsters who …
View article: Brain Neural Underpinnings of Interoception and Decision-Making in Alzheimer's Disease: A Narrative Review
Brain Neural Underpinnings of Interoception and Decision-Making in Alzheimer's Disease: A Narrative Review Open
This study reviews recent literature on interoception directing decision-making in Alzheimer's disease (AD). According to the somatic marker hypothesis, signals from the internal body direct decision-making and involve the ventromedial pre…