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  1. Article: Comments on "Identification of Negative Ion at

    Asakawa, Daiki / Hiraoka, Kenzo

    Mass spectrometry (Tokyo, Japan)

    2023  Volume 12, Issue 1, Page(s) A0140

    Language English
    Publishing date 2023-12-28
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2670439-0
    ISSN 2186-5116 ; 2187-137X
    ISSN (online) 2186-5116
    ISSN 2187-137X
    DOI 10.5702/massspectrometry.A0140
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Within-individual relationships between mother-to-infant bonding and postpartum depressive symptoms: a longitudinal study.

    Hiraoka, Daiki / Kawanami, Akiko / Sakurai, Kenichi / Mori, Chisato

    Psychological medicine

    2024  , Page(s) 1–9

    Abstract: Background: Although the importance of the dynamic intra-individual relationship between mother-to-infant bonding and postpartum depressive symptoms has been widely recognized, the complex interplay between them is not well understood. Furthermore, the ... ...

    Abstract Background: Although the importance of the dynamic intra-individual relationship between mother-to-infant bonding and postpartum depressive symptoms has been widely recognized, the complex interplay between them is not well understood. Furthermore, the potential role of prenatal depressive symptoms and infant temperament in this relationship remains unclear. This study aims to examine the bidirectional influence of mother-to-infant bonding on postpartum depressive symptoms within individuals and to elucidate whether prenatal depressive symptoms and infant temperament would influence deviations from stable individual states.
    Methods: Longitudinal data were collected from 433 women in early pregnancy. Of these, 360 participants completed the main questionnaires measuring impaired mother-to-infant bonding and postpartum depressive symptoms at least once during the postpartum period. Data were collected at early and late pregnancy and several postpartum time points: shortly after birth and at one, four, ten, and 18 months postpartum. We also assessed prenatal depressive symptoms and infant temperament. A random-intercept cross-lagged panel model was used.
    Results: Within-individual variability in mother-to-infant bonding, especially anger and rejection, significantly predicted subsequent postpartum depressive symptoms. However, the inverse relationship was not significant. Additionally, prenatal depressive symptoms and difficult infant temperament were associated with greater within-individual variability in impaired mother-to-infant bonding and postpartum depressive symptoms.
    Conclusions: The present study demonstrated that the within-individual relationship between mother-to-infant bonding and postpartum depressive symptoms is likely non-bidirectional. The significance of the findings is underscored by the potential for interventions aimed at improving mother-to-infant bonding to alleviate postpartum depressive symptoms, suggesting avenues for future research and practice.
    Language English
    Publishing date 2024-01-04
    Publishing country England
    Document type Journal Article
    ZDB-ID 217420-0
    ISSN 1469-8978 ; 0033-2917
    ISSN (online) 1469-8978
    ISSN 0033-2917
    DOI 10.1017/S0033291723003707
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 1003: Show issues Location:
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  3. Article ; Online: Effects of prenatal cannabis exposure on developmental trajectory of cognitive ability and brain volumes in the adolescent brain cognitive development (ABCD) study.

    Hiraoka, Daiki / Makita, Kai / Hamatani, Sayo / Tomoda, Akemi / Mizuno, Yoshifumi

    Developmental cognitive neuroscience

    2023  Volume 60, Page(s) 101209

    Abstract: Although cannabis use during pregnancy is increasing widely, the effects of cannabis on developmental trajectories, such as whether its effects during pregnancy remain the same between time points or gradually increase, are unclear. This study aimed to ... ...

    Abstract Although cannabis use during pregnancy is increasing widely, the effects of cannabis on developmental trajectories, such as whether its effects during pregnancy remain the same between time points or gradually increase, are unclear. This study aimed to examine whether cannabis use during pregnancy affects the process of change in cognition and brain volume. Data from two-time points measured longitudinally were analyzed. We used data from the Adolescent Brain and Cognitive Development Study. Participants included 11,876 children aged 9-11 years participated at baseline, and 10,414 participated at 2-year follow-up from 22 sites across the United States. We explored the associations between prenatal cannabis exposure and cognitive abilities and brain volumes developmental trajectories. Among 11,530 children with valid data for prenatal cannabis exposure, 10,833 had no prenatal cannabis use, and 697 had cannabis use during their pregnancy. There was a significant interaction between time points and cannabis use during pregnancy on visuo-perceptual processing ability (b = -0.019, p = .009) and intracranial volumes (b = -6338.309, p = .009). We found that the effects of exposure to cannabis during pregnancy are not uniform at all times and may gradually become more apparent and magnified as development progresses.
    MeSH term(s) Child ; Pregnancy ; Female ; Humans ; Adolescent ; Cannabis/adverse effects ; Prenatal Exposure Delayed Effects ; Cognition ; Adolescent Development ; Brain
    Language English
    Publishing date 2023-02-06
    Publishing country Netherlands
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2572271-2
    ISSN 1878-9307 ; 1878-9307
    ISSN (online) 1878-9307
    ISSN 1878-9307
    DOI 10.1016/j.dcn.2023.101209
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Relationship between parenting stress and school closures due to the COVID-19 pandemic.

    Hiraoka, Daiki / Tomoda, Akemi

    Psychiatry and clinical neurosciences

    2020  Volume 74, Issue 9, Page(s) 497–498

    MeSH term(s) Adolescent ; Adult ; COVID-19 ; Child ; Child, Preschool ; Communicable Disease Control ; Female ; Humans ; Infant ; Infant, Newborn ; Japan ; Male ; Middle Aged ; Parenting/psychology ; Parents/psychology ; Schools ; Stress, Psychological/psychology ; Surveys and Questionnaires ; Young Adult
    Keywords covid19
    Language English
    Publishing date 2020-07-03
    Publishing country Australia
    Document type Letter
    ZDB-ID 1292906-2
    ISSN 1440-1819 ; 1323-1316
    ISSN (online) 1440-1819
    ISSN 1323-1316
    DOI 10.1111/pcn.13088
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Ui I Zs.238: Show issues Location:
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  5. Article ; Online: The influence of cognitive load on maternal postural sway and heart rate in response to infant vocalizations.

    Hiraoka, Daiki / Nomura, Michio

    Developmental psychobiology

    2020  Volume 62, Issue 6, Page(s) 829–840

    Abstract: Infants communicate their emotions to their caregivers through cries and laughter. Recent work suggests that adaptive parenting requires cognitive regulation of intuitive behaviors toward infants' signals. In this study, we examined the effects of ... ...

    Abstract Infants communicate their emotions to their caregivers through cries and laughter. Recent work suggests that adaptive parenting requires cognitive regulation of intuitive behaviors toward infants' signals. In this study, we examined the effects of cognitive regulation on mothers' unconscious behavioral and cardiac responses to infant cries and laughs. In all, 55 mothers took part in this study. To manipulate cognitive load, mothers were asked to memorize alphabet characters (two letters in the low cognitive load condition and eight in the high cognitive load condition). Then, they heard infant vocalizations (cries or laughs) for 6 s. During this time, we measured mothers' behavioral (center of pressure, an index of approach-avoidance behavior) and physiological (heart rate) responses. Regardless of vocalization type (infant cries or laughs), high cognitive load increased mothers' forward movement toward the infant sounds as well as mothers' heart rate. These findings advance our understanding of the link between executive function and maternal response to infant signals by utilizing postural and physiological measures of maternal response during memory tasks that require cognitive resources.
    MeSH term(s) Adult ; Child, Preschool ; Crying/physiology ; Executive Function/physiology ; Female ; Heart Rate/physiology ; Humans ; Infant ; Infant Behavior/physiology ; Laughter/physiology ; Male ; Maternal Behavior/physiology ; Postural Balance/physiology
    Language English
    Publishing date 2020-02-24
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 4107-5
    ISSN 1098-2302 ; 0012-1630
    ISSN (online) 1098-2302
    ISSN 0012-1630
    DOI 10.1002/dev.21961
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    In stock of ZB MED Cologne/Königswinter

    Zs.B 1102: Show issues Location:
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  6. Article ; Online: Removal notice to "Epigenetic modification of the oxytocin gene is associated with gray matter volume and trait empathy in mothers", Psychoneuroendocrinology, Volume 123 (2021), 105026.

    Hiraoka, Daiki / Nishitani, Shota / Shimada, Koji / Kasaba, Ryoko / Fujisawa, Takashi X / Tomoda, Akemi

    Psychoneuroendocrinology

    2022  Volume 144, Page(s) 105860

    Language English
    Publishing date 2022-07-26
    Publishing country England
    Document type Published Erratum
    ZDB-ID 197636-9
    ISSN 1873-3360 ; 0306-4530
    ISSN (online) 1873-3360
    ISSN 0306-4530
    DOI 10.1016/j.psyneuen.2022.105860
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1235: Show issues Location:
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    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  7. Article ; Online: Effects of prenatal cannabis exposure on developmental trajectory of cognitive ability and brain volumes in the adolescent brain cognitive development (ABCD) study

    Hiraoka, Daiki / Makita, Kai / Hamatani, Sayo / Tomoda, Akemi / Mizuno, Yoshifumi

    Developmental Cognitive Neuroscience. 2023 Apr., v. 60 p.101209-

    2023  

    Abstract: Although cannabis use during pregnancy is increasing widely, the effects of cannabis on developmental trajectories, such as whether its effects during pregnancy remain the same between time points or gradually increase, are unclear. This study aimed to ... ...

    Abstract Although cannabis use during pregnancy is increasing widely, the effects of cannabis on developmental trajectories, such as whether its effects during pregnancy remain the same between time points or gradually increase, are unclear. This study aimed to examine whether cannabis use during pregnancy affects the process of change in cognition and brain volume. Data from two-time points measured longitudinally were analyzed. We used data from the Adolescent Brain and Cognitive Development Study. Participants included 11,876 children aged 9-11 years participated at baseline, and 10,414 participated at 2-year follow-up from 22 sites across the United States. We explored the associations between prenatal cannabis exposure and cognitive abilities and brain volumes developmental trajectories. Among 11,530 children with valid data for prenatal cannabis exposure, 10,833 had no prenatal cannabis use, and 697 had cannabis use during their pregnancy. There was a significant interaction between time points and cannabis use during pregnancy on visuo-perceptual processing ability (b = −0.019, p = .009) and intracranial volumes (b = −6338.309, p = .009). We found that the effects of exposure to cannabis during pregnancy are not uniform at all times and may gradually become more apparent and magnified as development progresses.
    Keywords adolescents ; brain ; cognition ; cognitive development ; neurophysiology ; pregnancy ; THC ; EF ; LMT ; ICV ; GMV ; WMV ; Prenatal cannabis exposure ; Neurodevelopment ; Longitudinal data ; Marijuana
    Language English
    Dates of publication 2023-04
    Size p. 101209
    Publishing place Elsevier Ltd
    Document type Article ; Online
    Note Pre-press version ; Use and reproduction
    ZDB-ID 2572271-2
    ISSN 1878-9307 ; 1878-9293
    ISSN (online) 1878-9307
    ISSN 1878-9293
    DOI 10.1016/j.dcn.2023.101209
    Database NAL-Catalogue (AGRICOLA)

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  8. Article: Longitudinal changes in attention bias to infant crying in primiparous mothers.

    Hiraoka, Daiki / Makita, Kai / Sakakibara, Nobuko / Morioka, Shigemi / Orisaka, Makoto / Yoshida, Yoshio / Tomoda, Akemi

    Frontiers in behavioral neuroscience

    2023  Volume 17, Page(s) 1192275

    Abstract: Introduction: Infant stimuli attract caregiver attention and motivate parenting behavior. Studies have confirmed the existence of attentional bias toward infant face stimuli; however, relatively little is known about whether attentional bias exists for ... ...

    Abstract Introduction: Infant stimuli attract caregiver attention and motivate parenting behavior. Studies have confirmed the existence of attentional bias toward infant face stimuli; however, relatively little is known about whether attentional bias exists for infant cry stimuli, which are as important as faces in child-rearing situations. Furthermore, scarce longitudinal evidence exists on how attentional bias toward infant crying changes through the postpartum period.
    Methods: In the present study, we conducted an experiment to assess bias toward infant crying at two postpartum time points: at Time 1 (Mean = 75.24 days), 45 first-time mothers participated and at Time 2 (Mean = 274.33 days), 30 mothers participated. At both time points, the mothers participated in a Stroop task with infant crying and white noise as the stimuli. They were instructed to answer the color out loud as quickly and accurately as possible, while ignoring the sound. Four types of audio stimuli were used in this task (the cry of the mother's own infant, the cry of an unfamiliar infant, white noise matched to the cry of the mother's own infant, and white noise matched to the cry of an unfamiliar infant), one of which was presented randomly before each trial. Response time and the correct response rate for each condition were the dependent variables.
    Results: For response time, the main effect of familiarity was significant, with longer response times when the participant's infant's cry was presented. In addition, response times were lower at Time 2 than at Time 1 in some conditions in which crying was presented.
    Discussion: The results suggest that mothers may be less disturbed by infant crying as they gain more experience. Elucidating the characteristics of postpartum mothers' changes in cognitive performance related to infants' cries would be useful in fundamental and applied research to understand the process of parents' adaptation to parenting.
    Language English
    Publishing date 2023-09-22
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2452960-6
    ISSN 1662-5153
    ISSN 1662-5153
    DOI 10.3389/fnbeh.2023.1192275
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Validity and reliability of the Japanese versions of the coronavirus anxiety scale for adolescents and obsession with COVID-19 scale for adolescents.

    Makino, Takuya / Ide, Sohei / Shiino, Tomoko / Hiraoka, Daiki / Ishibashi, Saeko / Suzuki, Futoshi / Nishitani, Shota

    PeerJ

    2023  Volume 11, Page(s) e15710

    Abstract: Background: The coronavirus disease 2019 (COVID-19) has caused mental health issues in both adults and adolescents. The Coronavirus Anxiety Scale (CAS) and Obsession with COVID-19 Scale (OCS) questionnaires measure anxiety and persistent and disturbed ... ...

    Abstract Background: The coronavirus disease 2019 (COVID-19) has caused mental health issues in both adults and adolescents. The Coronavirus Anxiety Scale (CAS) and Obsession with COVID-19 Scale (OCS) questionnaires measure anxiety and persistent and disturbed thoughts (also known as obsessions) related to COVID-19. We developed Japanese versions of the CAS (
    Methods: Two online surveys were administered to high school students aged 15-18 years. A total of 263 students participated in the first survey and almost half of them participated in the second survey. In the first survey, participants responded to the CAS-JA, OCS-JA, generalized anxiety and obsessive-compulsive subscales of the Spence Children's Anxiety Scale (SCAS), and Kessler 6 Scale (K6). The SCAS and K6 were used to verify discriminant validity and inter-scale correlations. In the second survey, the participants completed the CAS-JA and OCS-JA again to verify test-retest reliability. We performed a confirmatory factor analysis and calculated the model fit indices. Additionally, we examined the internal consistency reliability, convergent validity, and inter-item correlations of the CAS-JA and OCS-JA. Moreover, differences in CAS-JA and OCS-JA responses by gender and region of residence (state of emergency and non-emergency areas) were examined.
    Results: The results of the single-factor model confirmatory factor analysis of model fit indices were above the threshold. The required criteria for internal consistency reliability, test-retest reliability, and discriminant and convergent validity were met in both the CAS-JA and OCS-JA. No statistically significant differences attributed to residence and gender were found in both questionnaires.
    Conclusions: The results indicate that the CAS-JA and OCS-JA questionnaires are useful in measuring COVID-19-related anxiety, and persistent and disturbed thoughts in Japanese adolescents.
    MeSH term(s) Adult ; Child ; Humans ; Adolescent ; Reproducibility of Results ; East Asian People ; Psychometrics/methods ; Psychiatric Status Rating Scales ; COVID-19/diagnosis ; Anxiety/diagnosis ; Obsessive Behavior
    Language English
    Publishing date 2023-08-09
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2703241-3
    ISSN 2167-8359 ; 2167-8359
    ISSN (online) 2167-8359
    ISSN 2167-8359
    DOI 10.7717/peerj.15710
    Database MEDical Literature Analysis and Retrieval System OnLINE

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