Atypical brain lateralisation in the auditory cortex and language performance in 3- to 7-year-old children with high-functioning autism spectrum disorder: a child-customised magnetoencephalography (MEG) study / Yuko YOSHIMURA in Molecular Autism, (October 2013)  

Public ISBD [article]  inMolecular Autism > (October 2013) Titre : Atypical brain lateralisation in the auditory cortex and language performance in 3- to 7-year-old children with high-functioning autism spectrum disorder: a child-customised magnetoencephalography (MEG) study Type de document : Texte imprimé et/ou numérique Auteurs : Yuko YOSHIMURA, Auteur ; Mitsuru KIKUCHI, Auteur ; Kiyomi SHITAMICHI, Auteur ; Sanae UENO, Auteur ; Toshio MUNESUE, Auteur ; Yasuki ONO, Auteur ; Tsunehisa TSUBOKAWA, Auteur ; Yasuhiro HARUTA, Auteur ; Manabu OI, Auteur ; Yo NIIDA, Auteur ; Gerard REMIJN, Auteur ; Tsutomu TAKAHASHI, Auteur ; Michio SUZUKI, Auteur ; Haruhiro HIGASHIDA, Auteur ; Yoshio MINABE, Auteur Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Magnetoencephalography (MEG) is used to measure the auditory evoked magnetic field (AEF), which reflects language-related performance. In young children, however, the simultaneous quantification of the bilateral auditory-evoked response during binaural hearing is difficult using conventional adult-sized MEG systems. Recently, a child-customised MEG device has facilitated the acquisition of bi-hemispheric recordings, even in young children. Using the child-customised MEG device, we previously reported that language-related performance was reflected in the strength of the early component (P50m) of the auditory evoked magnetic field (AEF) in typically developing (TD) young children (2 to 5 years old) [Eur J Neurosci 2012, 35:644-650]. The aim of this study was to investigate how this neurophysiological index in each hemisphere is correlated with language performance in autism spectrum disorder (ASD) and TD children. We used magnetoencephalography (MEG) to measure the auditory evoked magnetic field (AEF), which reflects language-related performance. We investigated the P50m that is evoked by voice stimuli (/ne/) bilaterally in 33 young children (3 to 7 years old) with ASD and in 30 young children who were typically developing (TD). The children were matched according to their age (in months) and gender. Most of the children with ASD were high-functioning subjects. The results showed that the children with ASD exhibited significantly less leftward lateralisation in their P50m intensity compared with the TD children. Furthermore, the results of a multiple regression analysis indicated that a shorter P50m latency in both hemispheres was specifically correlated with higher language-related performance in the TD children, whereas this latency was not correlated with non-verbal cognitive performance or chronological age. The children with ASD did not show any correlation between P50m latency and language-related performance; instead, increasing chronological age was a significant predictor of shorter P50m latency in the right hemisphere. Using a child-customised MEG device, we studied the P50m component that was evoked through binaural human voice stimuli in young ASD and TD children to examine differences in auditory cortex function that are associated with language development. Our results suggest that there is atypical brain function in the auditory cortex in young children with ASD, regardless of language development. En ligne : http://dx.doi.org/10.1186/2040-2392-4-38 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=227 [article] Atypical brain lateralisation in the auditory cortex and language performance in 3- to 7-year-old children with high-functioning autism spectrum disorder: a child-customised magnetoencephalography (MEG) study [Texte imprimé et/ou numérique] / Yuko YOSHIMURA, Auteur ; Mitsuru KIKUCHI, Auteur ; Kiyomi SHITAMICHI, Auteur ; Sanae UENO, Auteur ; Toshio MUNESUE, Auteur ; Yasuki ONO, Auteur ; Tsunehisa TSUBOKAWA, Auteur ; Yasuhiro HARUTA, Auteur ; Manabu OI, Auteur ; Yo NIIDA, Auteur ; Gerard REMIJN, Auteur ; Tsutomu TAKAHASHI, Auteur ; Michio SUZUKI, Auteur ; Haruhiro HIGASHIDA, Auteur ; Yoshio MINABE, Auteur. Langues : Anglais (eng) in Molecular Autism > (October 2013) Index. décimale : PER Périodiques Résumé : Magnetoencephalography (MEG) is used to measure the auditory evoked magnetic field (AEF), which reflects language-related performance. In young children, however, the simultaneous quantification of the bilateral auditory-evoked response during binaural hearing is difficult using conventional adult-sized MEG systems. Recently, a child-customised MEG device has facilitated the acquisition of bi-hemispheric recordings, even in young children. Using the child-customised MEG device, we previously reported that language-related performance was reflected in the strength of the early component (P50m) of the auditory evoked magnetic field (AEF) in typically developing (TD) young children (2 to 5 years old) [Eur J Neurosci 2012, 35:644-650]. The aim of this study was to investigate how this neurophysiological index in each hemisphere is correlated with language performance in autism spectrum disorder (ASD) and TD children. We used magnetoencephalography (MEG) to measure the auditory evoked magnetic field (AEF), which reflects language-related performance. We investigated the P50m that is evoked by voice stimuli (/ne/) bilaterally in 33 young children (3 to 7 years old) with ASD and in 30 young children who were typically developing (TD). The children were matched according to their age (in months) and gender. Most of the children with ASD were high-functioning subjects. The results showed that the children with ASD exhibited significantly less leftward lateralisation in their P50m intensity compared with the TD children. Furthermore, the results of a multiple regression analysis indicated that a shorter P50m latency in both hemispheres was specifically correlated with higher language-related performance in the TD children, whereas this latency was not correlated with non-verbal cognitive performance or chronological age. The children with ASD did not show any correlation between P50m latency and language-related performance; instead, increasing chronological age was a significant predictor of shorter P50m latency in the right hemisphere. Using a child-customised MEG device, we studied the P50m component that was evoked through binaural human voice stimuli in young ASD and TD children to examine differences in auditory cortex function that are associated with language development. Our results suggest that there is atypical brain function in the auditory cortex in young children with ASD, regardless of language development. En ligne : http://dx.doi.org/10.1186/2040-2392-4-38 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=227

Atypical development of the central auditory system in young children with Autism spectrum disorder / Yuko YOSHIMURA in Autism Research, 9-11 (November 2016)  

Public ISBD [article]  inAutism Research > 9-11 (November 2016) . - p.1216-1226 Titre : Atypical development of the central auditory system in young children with Autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : Yuko YOSHIMURA, Auteur ; Mitsuru KIKUCHI, Auteur ; Hirotoshi HIRAISHI, Auteur ; Chiaki HASEGAWA, Auteur ; Tetsuya TAKAHASHI, Auteur ; Gerard B. REMIJN, Auteur ; Manabu OI, Auteur ; Toshio MUNESUE, Auteur ; Haruhiro HIGASHIDA, Auteur ; Yoshio MINABE, Auteur ; Haruyuki KOJIMA, Auteur Article en page(s) : p.1216-1226 Langues : Anglais (eng) Mots-clés : autism spectrum disorder  magnetoencephalography  P1m  young children Index. décimale : PER Périodiques Résumé : The P1m component of the auditory evoked magnetic field is the earliest cortical response associated with language acquisition. However, the growth curve of the P1m component is unknown in both typically developing (TD) and atypically developing children. The aim of this study is to clarify the developmental pattern of this component when evoked by binaural human voice stimulation using child-customized magnetoencephalography. A total of 35 young TD children (32–121 months of age) and 35 children with autism spectrum disorder (ASD) (38–111 months of age) participated in this study. This is the first report to demonstrate an inverted U-shaped growth curve for the P1m dipole intensity in the left hemisphere in TD children. In addition, our results revealed a more diversified age-related distribution of auditory brain responses in 3- to 9-year-old children with ASD. These results demonstrate the diversified growth curve of the P1m component in ASD during young childhood, which is a crucial period for first language acquisition. En ligne : http://dx.doi.org/10.1002/aur.1604 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=297 [article] Atypical development of the central auditory system in young children with Autism spectrum disorder [Texte imprimé et/ou numérique] / Yuko YOSHIMURA, Auteur ; Mitsuru KIKUCHI, Auteur ; Hirotoshi HIRAISHI, Auteur ; Chiaki HASEGAWA, Auteur ; Tetsuya TAKAHASHI, Auteur ; Gerard B. REMIJN, Auteur ; Manabu OI, Auteur ; Toshio MUNESUE, Auteur ; Haruhiro HIGASHIDA, Auteur ; Yoshio MINABE, Auteur ; Haruyuki KOJIMA, Auteur . - p.1216-1226. Langues : Anglais (eng) in Autism Research > 9-11 (November 2016) . - p.1216-1226 Mots-clés : autism spectrum disorder  magnetoencephalography  P1m  young children Index. décimale : PER Périodiques Résumé : The P1m component of the auditory evoked magnetic field is the earliest cortical response associated with language acquisition. However, the growth curve of the P1m component is unknown in both typically developing (TD) and atypically developing children. The aim of this study is to clarify the developmental pattern of this component when evoked by binaural human voice stimulation using child-customized magnetoencephalography. A total of 35 young TD children (32–121 months of age) and 35 children with autism spectrum disorder (ASD) (38–111 months of age) participated in this study. This is the first report to demonstrate an inverted U-shaped growth curve for the P1m dipole intensity in the left hemisphere in TD children. In addition, our results revealed a more diversified age-related distribution of auditory brain responses in 3- to 9-year-old children with ASD. These results demonstrate the diversified growth curve of the P1m component in ASD during young childhood, which is a crucial period for first language acquisition. En ligne : http://dx.doi.org/10.1002/aur.1604 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=297

Brief Report: Odour Awareness in Young Children with Autism Spectrum Disorders / Hirokazu KUMAZAKI in Journal of Autism and Developmental Disorders, 50-5 (May 2020)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 50-5 (May 2020) . - p.1809-1815 Titre : Brief Report: Odour Awareness in Young Children with Autism Spectrum Disorders Type de document : Texte imprimé et/ou numérique Auteurs : Hirokazu KUMAZAKI, Auteur ; Masako OKAMOTO, Auteur ; Yuko YOSHIMURA, Auteur ; Takashi IKEDA, Auteur ; Chiaki HASEGAWA, Auteur ; Daisuke N. SAITO, Auteur ; Ryoichiro IWANAGA, Auteur ; Sara TOMIYAMA, Auteur ; Kyung-Min AN, Auteur ; Yoshio MINABE, Auteur ; Mitsuru KIKUCHI, Auteur Article en page(s) : p.1809-1815 Langues : Anglais (eng) Mots-clés : Autism spectrum disorders  Odour awareness  Olfactory  Self-report  Vabs ii Index. décimale : PER Périodiques Résumé : The elucidation of odour awareness in children with autism spectrum disorders (ASD) is important. We compared the odour awareness of young children with ASD with those of typical development (TD) children using the Children's Olfactory Behavior in Everyday Life (COBEL) questionnaire, which is a self-report measure that mainly assesses odour awareness. Forty-five young boys (aged 5-6 years), including 20 children with ASD and 25 TD children, participated in this study. The total COBEL score of the young children with ASD was lower than that of the TD children (p < 0.01). Moreover, the total COBEL score was significantly correlated with the total VABS II score (p < 0.05). Our results improve understanding of the odour awareness in children with ASD. En ligne : http://dx.doi.org/10.1007/s10803-018-3710-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=422 [article] Brief Report: Odour Awareness in Young Children with Autism Spectrum Disorders [Texte imprimé et/ou numérique] / Hirokazu KUMAZAKI, Auteur ; Masako OKAMOTO, Auteur ; Yuko YOSHIMURA, Auteur ; Takashi IKEDA, Auteur ; Chiaki HASEGAWA, Auteur ; Daisuke N. SAITO, Auteur ; Ryoichiro IWANAGA, Auteur ; Sara TOMIYAMA, Auteur ; Kyung-Min AN, Auteur ; Yoshio MINABE, Auteur ; Mitsuru KIKUCHI, Auteur . - p.1809-1815. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 50-5 (May 2020) . - p.1809-1815 Mots-clés : Autism spectrum disorders  Odour awareness  Olfactory  Self-report  Vabs ii Index. décimale : PER Périodiques Résumé : The elucidation of odour awareness in children with autism spectrum disorders (ASD) is important. We compared the odour awareness of young children with ASD with those of typical development (TD) children using the Children's Olfactory Behavior in Everyday Life (COBEL) questionnaire, which is a self-report measure that mainly assesses odour awareness. Forty-five young boys (aged 5-6 years), including 20 children with ASD and 25 TD children, participated in this study. The total COBEL score of the young children with ASD was lower than that of the TD children (p < 0.01). Moreover, the total COBEL score was significantly correlated with the total VABS II score (p < 0.05). Our results improve understanding of the odour awareness in children with ASD. En ligne : http://dx.doi.org/10.1007/s10803-018-3710-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=422

Developmental changes in attention to social information from childhood to adolescence in autism spectrum disorders: a comparative study / Toru FUJIOKA in Molecular Autism, 11 (2020)  

Public ISBD [article]  inMolecular Autism > 11 (2020) . - 24 p. Titre : Developmental changes in attention to social information from childhood to adolescence in autism spectrum disorders: a comparative study Type de document : Texte imprimé et/ou numérique Auteurs : Toru FUJIOKA, Auteur ; Kenji J. TSUCHIYA, Auteur ; Manabu SAITO, Auteur ; Yoshiyuki HIRANO, Auteur ; Muneaki MATSUO, Auteur ; Mitsuru KIKUCHI, Auteur ; Yoshihiro MAEGAKI, Auteur ; Damee CHOI, Auteur ; Sumi KATO, Auteur ; Tokiko YOSHIDA, Auteur ; Yuko YOSHIMURA, Auteur ; Sawako OOBA, Auteur ; Yoshifumi MIZUNO, Auteur ; Shinichiro TAKIGUCHI, Auteur ; Hideo MATSUZAKI, Auteur ; Akemi TOMODA, Auteur ; Katsuyuki SHUDO, Auteur ; Masaru NINOMIYA, Auteur ; Taiichi KATAYAMA, Auteur ; Hirotaka KOSAKA, Auteur Article en page(s) : 24 p. Langues : Anglais (eng) Mots-clés : Autism spectrum disorder  Developmental change  Eye-tracking  Social information Index. décimale : PER Périodiques Résumé : BACKGROUND: Elucidating developmental changes in the symptoms of autism spectrum disorder (ASD) is important to support individuals with ASD. However, no report has clarified the developmental changes in attention to social information for a broad age range. The aim of this study was to investigate the developmental changes in attention to social information from early childhood to adolescence in individuals with ASD and typically developed (TD) children. METHODS: We recruited children with ASD (n = 83) and TD participants (n = 307) between 2 and 18?years of age. Using the all-in-one-eye-tracking system, Gazefinder, we measured the percentage fixation time allocated to areas of interest (AoIs) depicted in movies (the eyes and mouth in movies of a human face with/without mouth motion, upright and inverted biological motion in movies showing these stimuli simultaneously, people and geometry in preference paradigm movies showing these stimuli simultaneously, and objects with/without finger-pointing in a movie showing a woman pointing toward an object). We conducted a three-way analysis of variance, 2 (diagnosis: ASD and TD) by 2 (sex: male and female) by 3 (age group: 0-5, 6-11, and 12-18 years) and locally weighted the scatterplot smoothing (LOESS) regression curve on each AoI. RESULTS: In the face stimuli, the percentage fixation time to the eye region for the TD group increased with age, whereas the one for the ASD group did not. In the ASD group, the LOESS curves of the gaze ratios at the eye region increased up to approximately 10?years of age and thereafter tended to decrease. For the percentage fixation time to the people region in the preference paradigm, the ASD group gazed more briefly at people than did the TD group. LIMITATIONS: It is possible that due to the cross-sectional design, the degree of severity and of social interest might have differed according to the subjects' age. CONCLUSIONS: There may be qualitative differences in abnormal eye contact in ASD between individuals in early childhood and those older than 10?years. En ligne : http://dx.doi.org/10.1186/s13229-020-00321-w Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=427 [article] Developmental changes in attention to social information from childhood to adolescence in autism spectrum disorders: a comparative study [Texte imprimé et/ou numérique] / Toru FUJIOKA, Auteur ; Kenji J. TSUCHIYA, Auteur ; Manabu SAITO, Auteur ; Yoshiyuki HIRANO, Auteur ; Muneaki MATSUO, Auteur ; Mitsuru KIKUCHI, Auteur ; Yoshihiro MAEGAKI, Auteur ; Damee CHOI, Auteur ; Sumi KATO, Auteur ; Tokiko YOSHIDA, Auteur ; Yuko YOSHIMURA, Auteur ; Sawako OOBA, Auteur ; Yoshifumi MIZUNO, Auteur ; Shinichiro TAKIGUCHI, Auteur ; Hideo MATSUZAKI, Auteur ; Akemi TOMODA, Auteur ; Katsuyuki SHUDO, Auteur ; Masaru NINOMIYA, Auteur ; Taiichi KATAYAMA, Auteur ; Hirotaka KOSAKA, Auteur . - 24 p. Langues : Anglais (eng) in Molecular Autism > 11 (2020) . - 24 p. Mots-clés : Autism spectrum disorder  Developmental change  Eye-tracking  Social information Index. décimale : PER Périodiques Résumé : BACKGROUND: Elucidating developmental changes in the symptoms of autism spectrum disorder (ASD) is important to support individuals with ASD. However, no report has clarified the developmental changes in attention to social information for a broad age range. The aim of this study was to investigate the developmental changes in attention to social information from early childhood to adolescence in individuals with ASD and typically developed (TD) children. METHODS: We recruited children with ASD (n = 83) and TD participants (n = 307) between 2 and 18?years of age. Using the all-in-one-eye-tracking system, Gazefinder, we measured the percentage fixation time allocated to areas of interest (AoIs) depicted in movies (the eyes and mouth in movies of a human face with/without mouth motion, upright and inverted biological motion in movies showing these stimuli simultaneously, people and geometry in preference paradigm movies showing these stimuli simultaneously, and objects with/without finger-pointing in a movie showing a woman pointing toward an object). We conducted a three-way analysis of variance, 2 (diagnosis: ASD and TD) by 2 (sex: male and female) by 3 (age group: 0-5, 6-11, and 12-18 years) and locally weighted the scatterplot smoothing (LOESS) regression curve on each AoI. RESULTS: In the face stimuli, the percentage fixation time to the eye region for the TD group increased with age, whereas the one for the ASD group did not. In the ASD group, the LOESS curves of the gaze ratios at the eye region increased up to approximately 10?years of age and thereafter tended to decrease. For the percentage fixation time to the people region in the preference paradigm, the ASD group gazed more briefly at people than did the TD group. LIMITATIONS: It is possible that due to the cross-sectional design, the degree of severity and of social interest might have differed according to the subjects' age. CONCLUSIONS: There may be qualitative differences in abnormal eye contact in ASD between individuals in early childhood and those older than 10?years. En ligne : http://dx.doi.org/10.1186/s13229-020-00321-w Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=427

A pilot study of serotonergic modulation after long-term administration of oxytocin in autism spectrum disorder / Tetsu HIROSAWA in Autism Research, 10-5 (May 2017)  

Public ISBD [article]  inAutism Research > 10-5 (May 2017) . - p.821-828 Titre : A pilot study of serotonergic modulation after long-term administration of oxytocin in autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : Tetsu HIROSAWA, Auteur ; Mitsuru KIKUCHI, Auteur ; Yasuomi OUCHI, Auteur ; Tetsuya TAKAHASHI, Auteur ; Yuko YOSHIMURA, Auteur ; Hirotaka KOSAKA, Auteur ; Naoki FURUTANI, Auteur ; Hirotoshi HIRAISHI, Auteur ; Mina FUKAI, Auteur ; Masamichi YOKOKURA, Auteur ; Etsuji YOSHIKAWA, Auteur ; Tomoyasu BUNAI, Auteur ; Yoshio MINABE, Auteur Article en page(s) : p.821-828 Langues : Anglais (eng) Mots-clés : autism spectrum disorder  oxytocin  positron emission tomography  serotonin transporter Index. décimale : PER Périodiques Résumé : Oxytocin (OT) and the serotonergic system putatively play important roles in autism spectrum disorder (ASD) etiology and symptoms, but no direct neurobiological evidence exists for long-term OT administration effects on the brain's serotonergic system. This pilot study examined 10 male participants with ASD who were administered OT intranasally for 8–10 weeks in an open-label, single-arm, nonrandomized, and uncontrolled manner. Positron emission tomography (PET) with a radiotracer (11C)?3-amino-4-(2-[(dimethylamino)methyl]phenylthio)benzonitrile (11C-DASB) was used before and after OT treatment. The binding potential of serotonin transporter (11C-DASB BPND) was then estimated. The main outcome measures were changes in 11C-DASB BPND and their correlation with changes in symptoms. ASD participants showed significantly elevated 11C-DASB BPND in the left inferior frontal gyrus extending to the left middle frontal gyrus. No significant correlation was found between the change in any clinical symptom and the change in 11C-DASB BPND. This report of a pilot study is the first describing long-term effects of OT on the brain's serotonin system in ASD. Additional randomized controlled studies must be conducted to confirm whether activation of the serotonergic system contributes to the prosocial effect of OT in people with ASD. En ligne : http://dx.doi.org/10.1002/aur.1761 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=307 [article] A pilot study of serotonergic modulation after long-term administration of oxytocin in autism spectrum disorder [Texte imprimé et/ou numérique] / Tetsu HIROSAWA, Auteur ; Mitsuru KIKUCHI, Auteur ; Yasuomi OUCHI, Auteur ; Tetsuya TAKAHASHI, Auteur ; Yuko YOSHIMURA, Auteur ; Hirotaka KOSAKA, Auteur ; Naoki FURUTANI, Auteur ; Hirotoshi HIRAISHI, Auteur ; Mina FUKAI, Auteur ; Masamichi YOKOKURA, Auteur ; Etsuji YOSHIKAWA, Auteur ; Tomoyasu BUNAI, Auteur ; Yoshio MINABE, Auteur . - p.821-828. Langues : Anglais (eng) in Autism Research > 10-5 (May 2017) . - p.821-828 Mots-clés : autism spectrum disorder  oxytocin  positron emission tomography  serotonin transporter Index. décimale : PER Périodiques Résumé : Oxytocin (OT) and the serotonergic system putatively play important roles in autism spectrum disorder (ASD) etiology and symptoms, but no direct neurobiological evidence exists for long-term OT administration effects on the brain's serotonergic system. This pilot study examined 10 male participants with ASD who were administered OT intranasally for 8–10 weeks in an open-label, single-arm, nonrandomized, and uncontrolled manner. Positron emission tomography (PET) with a radiotracer (11C)?3-amino-4-(2-[(dimethylamino)methyl]phenylthio)benzonitrile (11C-DASB) was used before and after OT treatment. The binding potential of serotonin transporter (11C-DASB BPND) was then estimated. The main outcome measures were changes in 11C-DASB BPND and their correlation with changes in symptoms. ASD participants showed significantly elevated 11C-DASB BPND in the left inferior frontal gyrus extending to the left middle frontal gyrus. No significant correlation was found between the change in any clinical symptom and the change in 11C-DASB BPND. This report of a pilot study is the first describing long-term effects of OT on the brain's serotonin system in ASD. Additional randomized controlled studies must be conducted to confirm whether activation of the serotonergic system contributes to the prosocial effect of OT in people with ASD. En ligne : http://dx.doi.org/10.1002/aur.1761 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=307

Quantitative Aspects of Communicative Impairment Ascertained in a Large National Survey of Japanese Children / Manabu OI in Journal of Autism and Developmental Disorders, 47-10 (October 2017)  

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