Shinji Sakamoto
Biographic Data
| ID | 658865 |
|---|---|
| NAME | Shinji Sakamoto |
| GIVEN NAMES | Shinji |
| FAMILY NAME | Sakamoto |
| SIGNATURE | SAKAMOTO S |
| AFFILIATIONS | Nihon University |
| ORCID | 0000-0002-9107-9345 |
| VERIFIED | Yes |
| TOTAL WORKS | 18 |
| TOTAL CITATIONS | 2 |
| AUTHOR COUNT | 18 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 1998 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 1 |
Examining the Causal Relationship Between Hikikomori and Psychological Features of New-Type Depression
AIMS: New-type depression, which exhibits characteristics that are different from those of traditional depression, is thought to be associated with hikikomori. However, a causal relationship has yet to be established. Thus, this study examined the causal relationship between the psychological characteristics of new-type depression (interpersonal sensitivity and privileged self) and hikikomori. METHOD: The analysis included 393 male individuals wi…
Risk factors of hikikomori among office workers during the Covid-19 pandemic
The global pandemic of COVID-19 has forced people to restrict their outings. In Japan, self-restraint behavior (SRB) has been requested by the government, and some of those decreasing their outings may shift to pathological social withdrawal; hikikomori. The purpose of this study was to examine the risk factors of hikikomori conducting an online prospective survey. An online survey was conducted in June 2020 and December 2020; (1) SRB-related ind…
Identifying the Central Components of Perceived Costs and Benefits of Helping Peers with Depression
Several training programs and forums for mental health peer support have been developed, and perceptions of costs and benefits affecting peer supporters' helping behaviors have been investigated. To investigate the most efficient ways to motivate people to provide mental health peer support, we conducted a series of cross‐sectional network analyses that (a) visualized the network structures of the perceived costs and benefits of helping or not he…
Initial Outcomes of the Safe and Sound Protocol on Patients with Adult Autism Spectrum Disorder
Sensory impairments are common features of autism spectrum disorder (ASD) and are associated with its social impairments. However, there is no established treatment for these impairments in adults with ASD. The Safe & Sound Protocol (SSP) is a listening program designed to improve social communication skills by reducing auditory hypersensitivity. We investigated the effectiveness of the SSP for adults with ASD. We administered the SSP to six part…
Development of the “Belief of Affective Perspective-Taking Ability Scale”
This study aimed to develop the Belief of Affective Perspective-Taking Ability Scale (BAPTAS). The belief of affective perspective-taking ability is defined as the tendency of individuals to believe people are generally capable of taking others' perspectives and imagining others' emotions, and we developed 17 items for BAPTAS. The participants in the study comprised 151 university students, who answered the BAPTAS, Experience of Receiving Empathy…
The Interpersonal Effects of Claiming to have Depression by People not Diagnosed with Depression in Social Predicaments
This study aims to examine the relative effects of making the statement, “ I think I may have depressive disorder” as an excuse (i.e., insisting on depression) by comparing it with typical statements of excuse (i.e., physical illness, work requirements, and negligence). Participants were 238 J apanese undergraduates who read a scenario describing a social predicament and assessed excuse values in terms of their cognitive and behavioral reactions …
A comparison of perceptions of ‘modern-type’ and melancholic depression in Japan
BACKGROUND: In Japan, psychiatrists have noted two different types of depression, traditional/melancholic depression and 'modern-type' depression (MTD). Although both the modern and the traditional types of depression overlap in regard to symptoms, these are two distinct syndromes, which can lead to confusion for Japanese people. AIMS: This study aims to examine impressions of two types of depression using vignettes and clarify the differences in…
The effects of suicide prevention measures reported through a psychoeducational video
BACKGROUND: As the suicide rate in Japan has remained high since 1998, various suicide prevention measures have been implemented in Japanese local communities. AIMS: To report our findings on the effect of a psychoeducational video as a suicide prevention measure in a Japanese rural town. METHODS: Questionnaires were randomly mailed to 2,000 residents aged between 30 and 79 years. Within 4 weeks, volunteers in the town visited the residents indiv…
The recognized benefits of negative thinking/affect in depression and anxiety
Negative thinking/affect ( NTA ) in depression and anxiety is an important target of clinical intervention. However, individuals recognize the benefit of NTA . There is a need to develop a scale for empirical studies of NTA . Two‐hundred and fifty‐nine J apanese university students were assigned to answer: (a) the state in the past week (positive affect ( PA ) and C enter for E pidemiologic S tudies D epression S cale), (b) the current state ( PA…
Ruminative self-focus in daily life
The present study examined the situations and conditions in which ruminative self-focus is less likely to occur in daily life. Previous researchers have described a mood-brightening effect of depression, where depressed individuals exhibit greater positive emotional reactivity to positive daily events than do nondepressed individuals. To better understand this paradoxical effect, we investigated the moderating role of depression in the relationsh…
Depression treatment preferences among Japanese undergraduates
Background: Treatment preferences may contribute to seeking and adhering to professional help for depression. Few studies have considered practical barriers and controlled for individual difference factors. Objective: To clarify depression treatment preferences among Japanese undergraduates while considering practical barriers and controlling for individual difference factors. Methods: This was a cross-sectional study of 985 undergraduates. Depre…
Benefits of Negative Thinking and Negative Affect
Benefits of Negative Thinking and Negative Affect
What are the benefits of negative thinking and negative affect? Although previous studies in evolutionary psychology, social psychology, and clinical psychology have clarified the question, there has been no definitive study asking people directly about the perceived benefits. In the present study, 119 Japanese undergraduates were asked how they recognized the benefits of negative thinking and negative affect. Their answers were analyzed qualitat…
Somatic and Depressive Symptoms in Female Japanese and American Students
The present study examined the relationship between common somatic symptoms and depression in samples of Japanese and American college students. Fifty Japanese and 44 American women completed the Beck Depression Inventory (BDI) and rated 56 somatic-distress items for 7 days. Japanese had higher levels of somatic distress than Americans. ANOVA of somatic distress by BDI-level revealed that the High BDI Japanese group reported 26 somatic symptoms (…
Correlates of Retrospective Early Life Experience with Personality in Young Japanese Women
To examine the influence of early experiences on the development of personality. We used the Temperament and Character Inventory to assess 98 young women who had first entered a company. Different early experiences were linked, albeit weakly, to test scores. Both partial correlations and multiple regression analyses indicated that Self-directedness was higher if women reported more care of parents. Partial correlation, but not multiple regression…
Association of Self-Preoccupation and Self-Reported Duration and Severity of Depressive Episodes
The present study investigated the relation of self-preoccupation, i.e., the tendency to focus more on the self than on external objects and to maintain this self-focused attention, with the duration and severity of depressive episodes. The hypotheses were that, compared with people low on self-preoccupation, people scoring higher on self-preoccupation may experience more long-lasting depressive episodes and during such episodes they may experien…
Labeling Effect of Seishin-Bunretsu-Byou, the Japanese Translation for Schizophrenia
Stigma attached to individuals with schizophrenia may be derived from its diag nostic label. Two forms of a questionnaire were distributed to 189 Japanese university students. Each questionnaire contains case vignettes of schizophrenia and major depression. In one form, the students were told at the close of each vignette the diagnostic label assigned to that case (the label group) whereas in another form, they were not done so (the control group…
Japanese Psychology Students as Psychiatric Diagnosticians
It is commonly believed in Japan that only psychiatrists are capable of providing reliable psychiatric diagnosis. The present study, therefore, examined using a case vignette design, how well Japanese psychology students agreed with a psychiatrist on the diagnoses of mood disorders (major depressive disorder and bipolar disorder) and anxiety disorders (pain disorder, obsessive-compulsive disorder, phobic disorder, and generalized anxiety disorder…
Somatic and Depressive Symptoms in Female Japanese and American Students
The present study examined the relationship between common somatic symptoms and depression in samples of Japanese and American college students. Fifty Japanese and 44 American women completed the Beck Depression Inventory (BDI) and rated 56 somatic-distress items for 7 days. Japanese had higher levels of somatic distress than Americans. ANOVA of somatic distress by BDI-level revealed that the High BDI Japanese group reported 26 somatic symptoms (…
Japanese Psychology Students as Psychiatric Diagnosticians
It is commonly believed in Japan that only psychiatrists are capable of providing reliable psychiatric diagnosis. The present study, therefore, examined using a case vignette design, how well Japanese psychology students agreed with a psychiatrist on the diagnoses of mood disorders (major depressive disorder and bipolar disorder) and anxiety disorders (pain disorder, obsessive-compulsive disorder, phobic disorder, and generalized anxiety disorder…
Labeling Effect of Seishin-Bunretsu-Byou, the Japanese Translation for Schizophrenia
Stigma attached to individuals with schizophrenia may be derived from its diag nostic label. Two forms of a questionnaire were distributed to 189 Japanese university students. Each questionnaire contains case vignettes of schizophrenia and major depression. In one form, the students were told at the close of each vignette the diagnostic label assigned to that case (the label group) whereas in another form, they were not done so (the control group…
Correlates of Retrospective Early Life Experience with Personality in Young Japanese Women
To examine the influence of early experiences on the development of personality. We used the Temperament and Character Inventory to assess 98 young women who had first entered a company. Different early experiences were linked, albeit weakly, to test scores. Both partial correlations and multiple regression analyses indicated that Self-directedness was higher if women reported more care of parents. Partial correlation, but not multiple regression…
Association of Self-Preoccupation and Self-Reported Duration and Severity of Depressive Episodes
The present study investigated the relation of self-preoccupation, i.e., the tendency to focus more on the self than on external objects and to maintain this self-focused attention, with the duration and severity of depressive episodes. The hypotheses were that, compared with people low on self-preoccupation, people scoring higher on self-preoccupation may experience more long-lasting depressive episodes and during such episodes they may experien…
Benefits of Negative Thinking and Negative Affect
Benefits of Negative Thinking and Negative Affect
What are the benefits of negative thinking and negative affect? Although previous studies in evolutionary psychology, social psychology, and clinical psychology have clarified the question, there has been no definitive study asking people directly about the perceived benefits. In the present study, 119 Japanese undergraduates were asked how they recognized the benefits of negative thinking and negative affect. Their answers were analyzed qualitat…
Somatic and Depressive Symptoms in Female Japanese and American Students
The present study examined the relationship between common somatic symptoms and depression in samples of Japanese and American college students. Fifty Japanese and 44 American women completed the Beck Depression Inventory (BDI) and rated 56 somatic-distress items for 7 days. Japanese had higher levels of somatic distress than Americans. ANOVA of somatic distress by BDI-level revealed that the High BDI Japanese group reported 26 somatic symptoms (…
Depression treatment preferences among Japanese undergraduates
Background: Treatment preferences may contribute to seeking and adhering to professional help for depression. Few studies have considered practical barriers and controlled for individual difference factors. Objective: To clarify depression treatment preferences among Japanese undergraduates while considering practical barriers and controlling for individual difference factors. Methods: This was a cross-sectional study of 985 undergraduates. Depre…
The recognized benefits of negative thinking/affect in depression and anxiety
Negative thinking/affect ( NTA ) in depression and anxiety is an important target of clinical intervention. However, individuals recognize the benefit of NTA . There is a need to develop a scale for empirical studies of NTA . Two‐hundred and fifty‐nine J apanese university students were assigned to answer: (a) the state in the past week (positive affect ( PA ) and C enter for E pidemiologic S tudies D epression S cale), (b) the current state ( PA…
Ruminative self-focus in daily life
The present study examined the situations and conditions in which ruminative self-focus is less likely to occur in daily life. Previous researchers have described a mood-brightening effect of depression, where depressed individuals exhibit greater positive emotional reactivity to positive daily events than do nondepressed individuals. To better understand this paradoxical effect, we investigated the moderating role of depression in the relationsh…
The effects of suicide prevention measures reported through a psychoeducational video
BACKGROUND: As the suicide rate in Japan has remained high since 1998, various suicide prevention measures have been implemented in Japanese local communities. AIMS: To report our findings on the effect of a psychoeducational video as a suicide prevention measure in a Japanese rural town. METHODS: Questionnaires were randomly mailed to 2,000 residents aged between 30 and 79 years. Within 4 weeks, volunteers in the town visited the residents indiv…
A comparison of perceptions of ‘modern-type’ and melancholic depression in Japan
BACKGROUND: In Japan, psychiatrists have noted two different types of depression, traditional/melancholic depression and 'modern-type' depression (MTD). Although both the modern and the traditional types of depression overlap in regard to symptoms, these are two distinct syndromes, which can lead to confusion for Japanese people. AIMS: This study aims to examine impressions of two types of depression using vignettes and clarify the differences in…
The Interpersonal Effects of Claiming to have Depression by People not Diagnosed with Depression in Social Predicaments
This study aims to examine the relative effects of making the statement, “ I think I may have depressive disorder” as an excuse (i.e., insisting on depression) by comparing it with typical statements of excuse (i.e., physical illness, work requirements, and negligence). Participants were 238 J apanese undergraduates who read a scenario describing a social predicament and assessed excuse values in terms of their cognitive and behavioral reactions …
Development of the “Belief of Affective Perspective-Taking Ability Scale”
This study aimed to develop the Belief of Affective Perspective-Taking Ability Scale (BAPTAS). The belief of affective perspective-taking ability is defined as the tendency of individuals to believe people are generally capable of taking others' perspectives and imagining others' emotions, and we developed 17 items for BAPTAS. The participants in the study comprised 151 university students, who answered the BAPTAS, Experience of Receiving Empathy…
Risk factors of hikikomori among office workers during the Covid-19 pandemic
The global pandemic of COVID-19 has forced people to restrict their outings. In Japan, self-restraint behavior (SRB) has been requested by the government, and some of those decreasing their outings may shift to pathological social withdrawal; hikikomori. The purpose of this study was to examine the risk factors of hikikomori conducting an online prospective survey. An online survey was conducted in June 2020 and December 2020; (1) SRB-related ind…
Identifying the Central Components of Perceived Costs and Benefits of Helping Peers with Depression
Several training programs and forums for mental health peer support have been developed, and perceptions of costs and benefits affecting peer supporters' helping behaviors have been investigated. To investigate the most efficient ways to motivate people to provide mental health peer support, we conducted a series of cross‐sectional network analyses that (a) visualized the network structures of the perceived costs and benefits of helping or not he…
Initial Outcomes of the Safe and Sound Protocol on Patients with Adult Autism Spectrum Disorder
Sensory impairments are common features of autism spectrum disorder (ASD) and are associated with its social impairments. However, there is no established treatment for these impairments in adults with ASD. The Safe & Sound Protocol (SSP) is a listening program designed to improve social communication skills by reducing auditory hypersensitivity. We investigated the effectiveness of the SSP for adults with ASD. We administered the SSP to six part…
Examining the Causal Relationship Between Hikikomori and Psychological Features of New-Type Depression
AIMS: New-type depression, which exhibits characteristics that are different from those of traditional depression, is thought to be associated with hikikomori. However, a causal relationship has yet to be established. Thus, this study examined the causal relationship between the psychological characteristics of new-type depression (interpersonal sensitivity and privileged self) and hikikomori. METHOD: The analysis included 393 male individuals wi…
Psychology (17 works) · Psychiatry (12 works) · Clinical Psychology (11 works) · Medicine (8 works) · Social Psychology (8 works) · Depression (economics) (7 works) · Mental Health Treatment and Access (5 works) · Social Psychology (5 works) · Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes (4 works) · Child and Adolescent Psychosocial and Emotional Development (4 works)