Default mode network in young male adults with autism spectrum disorder: relationship with autism spectrum traits / Minyoung JUNG in Molecular Autism, (June 2014)  

Public ISBD [article]  inMolecular Autism > (June 2014) . - p.1-11 Titre : Default mode network in young male adults with autism spectrum disorder: relationship with autism spectrum traits Type de document : Texte imprimé et/ou numérique Auteurs : Minyoung JUNG, Auteur ; Hirotaka KOSAKA, Auteur ; Daisuke N. SAITO, Auteur ; Makoto ISHITOBI, Auteur ; Tomoyo MORITA, Auteur ; Keisuke INOHARA, Auteur ; Mizuki ASANO, Auteur ; Sumiyoshi ARAI, Auteur ; Toshio MUNESUE, Auteur ; Akemi TOMODA, Auteur ; Yuji WADA, Auteur ; Norihiro SADATO, Auteur ; Hidehiko OKAZAWA, Auteur ; Tetsuya IIDAKA, Auteur Article en page(s) : p.1-11 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Autism spectrum traits are postulated to lie on a continuum that extends between individuals with autism and individuals with typical development (TD). Social cognition properties that are deeply associated with autism spectrum traits have been linked to functional connectivity between regions within the brain’s default mode network (DMN). Previous studies have shown that the resting-state functional connectivities (rs-FCs) of DMN are low and show negative correlation with the level of autism spectrum traits in individuals with autism spectrum disorder (ASD). However, it is unclear whether individual differences of autism spectrum traits are associated with the strength of rs-FCs of DMN in participants including the general population. En ligne : http://dx.doi.org/10.1186/2040-2392-5-35 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=276 [article] Default mode network in young male adults with autism spectrum disorder: relationship with autism spectrum traits [Texte imprimé et/ou numérique] / Minyoung JUNG, Auteur ; Hirotaka KOSAKA, Auteur ; Daisuke N. SAITO, Auteur ; Makoto ISHITOBI, Auteur ; Tomoyo MORITA, Auteur ; Keisuke INOHARA, Auteur ; Mizuki ASANO, Auteur ; Sumiyoshi ARAI, Auteur ; Toshio MUNESUE, Auteur ; Akemi TOMODA, Auteur ; Yuji WADA, Auteur ; Norihiro SADATO, Auteur ; Hidehiko OKAZAWA, Auteur ; Tetsuya IIDAKA, Auteur . - p.1-11. Langues : Anglais (eng) in Molecular Autism > (June 2014) . - p.1-11 Index. décimale : PER Périodiques Résumé : Autism spectrum traits are postulated to lie on a continuum that extends between individuals with autism and individuals with typical development (TD). Social cognition properties that are deeply associated with autism spectrum traits have been linked to functional connectivity between regions within the brain’s default mode network (DMN). Previous studies have shown that the resting-state functional connectivities (rs-FCs) of DMN are low and show negative correlation with the level of autism spectrum traits in individuals with autism spectrum disorder (ASD). However, it is unclear whether individual differences of autism spectrum traits are associated with the strength of rs-FCs of DMN in participants including the general population. En ligne : http://dx.doi.org/10.1186/2040-2392-5-35 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=276

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

Differential amygdala response to lower face in patients with autistic spectrum disorders: An fMRI study / Makoto ISHITOBI in Research in Autism Spectrum Disorders, 5-2 (April-June 2011)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 5-2 (April-June 2011) . - p.910-919 Titre : Differential amygdala response to lower face in patients with autistic spectrum disorders: An fMRI study Type de document : Texte imprimé et/ou numérique Auteurs : Makoto ISHITOBI, Auteur ; Hirotaka KOSAKA, Auteur ; Masao OMORI, Auteur ; Yukiko MATSUMURA, Auteur ; Toshio MUNESUE, Auteur ; Kimiko MIZUKAMI, Auteur ; Tomohiro SHIMOYAMA, Auteur ; Tetsuhito MURATA, Auteur ; Norihiro SADATO, Auteur ; Hidehiko OKAZAWA, Auteur ; Yuji WADA, Auteur Année de publication : 2011 Article en page(s) : p.910-919 Langues : Anglais (eng) Mots-clés : Autistic spectrum disorders (ASD)  Pervasive developmental disorders (PDD)  Amygdala  Mouth  Salience  Eye gaze Index. décimale : PER Périodiques Résumé : Much functional neuroimaging evidence indicates that autistic spectrum disorders (ASD) demonstrate marked brain abnormalities in face processing. Most of these findings were obtained from studies using tasks related to whole faces. However, individuals with ASD tend to rely more on individual parts of the face for identification than on the overall configuration. Therefore, this neuroimaging evidence might reflect differential visual attention systems in face recognition. It was hypothesized that differential brain function is shown between ASD and control participants with face recognition tasks presenting parts of faces separately. Nine adults with high-functioning ASD and 24 age-matched normal comparison participants were studied using a 3T-MR scanner. We investigated brain activation when processing whole faces and parts of faces displaying positive or negative expressions. The control group showed bilateral amygdalae activation to the whole face, but not to parts of the face. The ASD group showed bilateral amygdalae activation to the lower face (mainly mouth region), but not to the whole face and upper face (mainly eye region). These findings suggest that differential amygdala function for face processing exists in ASD. This aberrant amygdala function might cause abnormalities in gaze processing or recognition of emotional expressions, shown clinically in ASD. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.10.005 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=114 [article] Differential amygdala response to lower face in patients with autistic spectrum disorders: An fMRI study [Texte imprimé et/ou numérique] / Makoto ISHITOBI, Auteur ; Hirotaka KOSAKA, Auteur ; Masao OMORI, Auteur ; Yukiko MATSUMURA, Auteur ; Toshio MUNESUE, Auteur ; Kimiko MIZUKAMI, Auteur ; Tomohiro SHIMOYAMA, Auteur ; Tetsuhito MURATA, Auteur ; Norihiro SADATO, Auteur ; Hidehiko OKAZAWA, Auteur ; Yuji WADA, Auteur . - 2011 . - p.910-919. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 5-2 (April-June 2011) . - p.910-919 Mots-clés : Autistic spectrum disorders (ASD)  Pervasive developmental disorders (PDD)  Amygdala  Mouth  Salience  Eye gaze Index. décimale : PER Périodiques Résumé : Much functional neuroimaging evidence indicates that autistic spectrum disorders (ASD) demonstrate marked brain abnormalities in face processing. Most of these findings were obtained from studies using tasks related to whole faces. However, individuals with ASD tend to rely more on individual parts of the face for identification than on the overall configuration. Therefore, this neuroimaging evidence might reflect differential visual attention systems in face recognition. It was hypothesized that differential brain function is shown between ASD and control participants with face recognition tasks presenting parts of faces separately. Nine adults with high-functioning ASD and 24 age-matched normal comparison participants were studied using a 3T-MR scanner. We investigated brain activation when processing whole faces and parts of faces displaying positive or negative expressions. The control group showed bilateral amygdalae activation to the whole face, but not to parts of the face. The ASD group showed bilateral amygdalae activation to the lower face (mainly mouth region), but not to the whole face and upper face (mainly eye region). These findings suggest that differential amygdala function for face processing exists in ASD. This aberrant amygdala function might cause abnormalities in gaze processing or recognition of emotional expressions, shown clinically in ASD. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.10.005 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=114

Episodic memory retrieval for story characters in high-functioning autism / Hidetsugu KOMEDA in Molecular Autism, (June 2013)  

Public ISBD [article]  inMolecular Autism > (June 2013) . - 9 p. Titre : Episodic memory retrieval for story characters in high-functioning autism Type de document : Texte imprimé et/ou numérique Auteurs : Hidetsugu KOMEDA, Auteur ; Hirotaka KOSAKA, Auteur ; Daisuke N. SAITO, Auteur ; Keisuke INOHARA, Auteur ; Toshio MUNESUE, Auteur ; Makoto ISHITOBI, Auteur ; Makoto SATO, Auteur ; Hidehiko OKAZAWA, Auteur Année de publication : 2013 Article en page(s) : 9 p. Langues : Anglais (eng) Mots-clés : High-functioning autism  Narrative comprehension  Recognition  Memory retrieval  Similarity Index. décimale : PER Périodiques Résumé : Background The objective of this study was to examine differences in episodic memory retrieval between individuals with autism spectrum disorder (ASD) and typically developing (TD) individuals. Previous studies have shown that personality similarities between readers and characters facilitated reading comprehension. Highly extraverted participants read stories featuring extraverted protagonists more easily and judged the outcomes of such stories more rapidly than did less extraverted participants. Similarly, highly neurotic participants judged the outcomes of stories with neurotic protagonists more rapidly than did participants with low levels of neuroticism. However, the impact of the similarity effect on memory retrieval remains unclear. This study tested our ‘similarity hypothesis’, namely that memory retrieval is enhanced when readers with ASD and TD readers read stories featuring protagonists with ASD and with characteristics associated with TD individuals, respectively. Methods Eighteen Japanese individuals (one female) with high-functioning ASD (aged 17 to 40 years) and 17 age- and intelligence quotient (IQ)-matched Japanese (one female) TD participants (aged 22 to 40 years) read 24 stories; 12 stories featured protagonists with ASD characteristics, and the other 12 featured TD protagonists. Participants read a single sentence at a time and pressed a spacebar to advance to the next sentence. After reading all 24 stories, they were asked to complete a recognition task about the target sentence in each story. Results To investigate episodic memory in ASD, we analyzed encoding based on the reading times for and readability of the stories and retrieval processes based on the accuracy of and response times for sentence recognition. Although the results showed no differences between ASD and TD groups in encoding processes, they did reveal inter-group differences in memory retrieval. Although individuals with ASD demonstrated the same level of accuracy as did TD individuals, their patterns of memory retrieval differed with respect to response times. Conclusions Individuals with ASD more effectively retrieved ASD-congruent than ASD-incongruent sentences, and TD individuals retrieved stories with TD more effectively than stories with ASD protagonists. Thus, similarity between reader and story character had different effects on memory retrieval in the ASD and TD groups. En ligne : http://dx.doi.org/10.1186/2040-2392-4-20 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=211 [article] Episodic memory retrieval for story characters in high-functioning autism [Texte imprimé et/ou numérique] / Hidetsugu KOMEDA, Auteur ; Hirotaka KOSAKA, Auteur ; Daisuke N. SAITO, Auteur ; Keisuke INOHARA, Auteur ; Toshio MUNESUE, Auteur ; Makoto ISHITOBI, Auteur ; Makoto SATO, Auteur ; Hidehiko OKAZAWA, Auteur . - 2013 . - 9 p. Langues : Anglais (eng) in Molecular Autism > (June 2013) . - 9 p. Mots-clés : High-functioning autism  Narrative comprehension  Recognition  Memory retrieval  Similarity Index. décimale : PER Périodiques Résumé : Background The objective of this study was to examine differences in episodic memory retrieval between individuals with autism spectrum disorder (ASD) and typically developing (TD) individuals. Previous studies have shown that personality similarities between readers and characters facilitated reading comprehension. Highly extraverted participants read stories featuring extraverted protagonists more easily and judged the outcomes of such stories more rapidly than did less extraverted participants. Similarly, highly neurotic participants judged the outcomes of stories with neurotic protagonists more rapidly than did participants with low levels of neuroticism. However, the impact of the similarity effect on memory retrieval remains unclear. This study tested our ‘similarity hypothesis’, namely that memory retrieval is enhanced when readers with ASD and TD readers read stories featuring protagonists with ASD and with characteristics associated with TD individuals, respectively. Methods Eighteen Japanese individuals (one female) with high-functioning ASD (aged 17 to 40 years) and 17 age- and intelligence quotient (IQ)-matched Japanese (one female) TD participants (aged 22 to 40 years) read 24 stories; 12 stories featured protagonists with ASD characteristics, and the other 12 featured TD protagonists. Participants read a single sentence at a time and pressed a spacebar to advance to the next sentence. After reading all 24 stories, they were asked to complete a recognition task about the target sentence in each story. Results To investigate episodic memory in ASD, we analyzed encoding based on the reading times for and readability of the stories and retrieval processes based on the accuracy of and response times for sentence recognition. Although the results showed no differences between ASD and TD groups in encoding processes, they did reveal inter-group differences in memory retrieval. Although individuals with ASD demonstrated the same level of accuracy as did TD individuals, their patterns of memory retrieval differed with respect to response times. Conclusions Individuals with ASD more effectively retrieved ASD-congruent than ASD-incongruent sentences, and TD individuals retrieved stories with TD more effectively than stories with ASD protagonists. Thus, similarity between reader and story character had different effects on memory retrieval in the ASD and TD groups. En ligne : http://dx.doi.org/10.1186/2040-2392-4-20 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=211

Neural correlates of emotion processing during observed self-face recognition in individuals with autism spectrum disorders / Tomoyo MORITA in Research in Autism Spectrum Disorders, 26 (June 2016)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 26 (June 2016) . - p.16-32 Titre : Neural correlates of emotion processing during observed self-face recognition in individuals with autism spectrum disorders Type de document : Texte imprimé et/ou numérique Auteurs : Tomoyo MORITA, Auteur ; Hirotaka KOSAKA, Auteur ; Daisuke N. SAITO, Auteur ; Takeshi FUJII, Auteur ; Makoto ISHITOBI, Auteur ; Toshio MUNESUE, Auteur ; Keisuke INOHARA, Auteur ; Hidehiko OKAZAWA, Auteur ; Ryusuke KAKIGI, Auteur ; Norihiro SADATO, Auteur Article en page(s) : p.16-32 Langues : Anglais (eng) Mots-clés : Anterior cingulate cortex  Anterior insula  Autism spectrum disorder (ASD)  Being observed  Embarrassment  Functional magnetic resonance imaging  Self-face Index. décimale : PER Périodiques Résumé : When exposed to self-face images, individuals often experience embarrassment, which is enhanced by being observed. This self-evaluative emotion is related to activity in the right anterior insula and the functional connectivity between the anterior cingulate and prefrontal cortices. Coupling between cognitive evaluation of self-face images and emotional response to them (cognitive–emotional coupling) is weaker in individuals with autism spectrum disorder (ASD), in parallel with reduced activity of the right insula. To determine whether self-evaluative emotions of individuals with ASD are less strongly impacted by observation, we conducted functional MRI in 14 adult men with ASD and 18 age-matched control men while the participants viewed self-face images. Increased embarrassment upon observation was positively correlated with increased activity in the right anterior insula in the control group, but not in the ASD group. In addition, awareness of being observed enhanced cognitive–emotional coupling in the controls but not in the ASD group. The coupling was correlated with the functional connectivity between the anterior cingulate and medial prefrontal cortices. These results suggest that the reduced impact of observation on embarrassment induced by self-face images in individuals with ASD is related to impairment in the right anterior insula, which is involved in creating subjective feelings, and the anterior cingulate cortex, which acts as a hub for integrating information from others during self-face evaluation. En ligne : http://dx.doi.org/10.1016/j.rasd.2016.02.011 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=285 [article] Neural correlates of emotion processing during observed self-face recognition in individuals with autism spectrum disorders [Texte imprimé et/ou numérique] / Tomoyo MORITA, Auteur ; Hirotaka KOSAKA, Auteur ; Daisuke N. SAITO, Auteur ; Takeshi FUJII, Auteur ; Makoto ISHITOBI, Auteur ; Toshio MUNESUE, Auteur ; Keisuke INOHARA, Auteur ; Hidehiko OKAZAWA, Auteur ; Ryusuke KAKIGI, Auteur ; Norihiro SADATO, Auteur . - p.16-32. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 26 (June 2016) . - p.16-32 Mots-clés : Anterior cingulate cortex  Anterior insula  Autism spectrum disorder (ASD)  Being observed  Embarrassment  Functional magnetic resonance imaging  Self-face Index. décimale : PER Périodiques Résumé : When exposed to self-face images, individuals often experience embarrassment, which is enhanced by being observed. This self-evaluative emotion is related to activity in the right anterior insula and the functional connectivity between the anterior cingulate and prefrontal cortices. Coupling between cognitive evaluation of self-face images and emotional response to them (cognitive–emotional coupling) is weaker in individuals with autism spectrum disorder (ASD), in parallel with reduced activity of the right insula. To determine whether self-evaluative emotions of individuals with ASD are less strongly impacted by observation, we conducted functional MRI in 14 adult men with ASD and 18 age-matched control men while the participants viewed self-face images. Increased embarrassment upon observation was positively correlated with increased activity in the right anterior insula in the control group, but not in the ASD group. In addition, awareness of being observed enhanced cognitive–emotional coupling in the controls but not in the ASD group. The coupling was correlated with the functional connectivity between the anterior cingulate and medial prefrontal cortices. These results suggest that the reduced impact of observation on embarrassment induced by self-face images in individuals with ASD is related to impairment in the right anterior insula, which is involved in creating subjective feelings, and the anterior cingulate cortex, which acts as a hub for integrating information from others during self-face evaluation. En ligne : http://dx.doi.org/10.1016/j.rasd.2016.02.011 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=285

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)  

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Sex differences in cognitive and symptom profiles in children with high functioning autism spectrum disorders / Hirokazu KUMAZAKI in Research in Autism Spectrum Disorders, 13-14 (May 2015)  

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Sex-different abnormalities in the right second to fourth digit ratio in Japanese individuals with autism spectrum disorders / Yasuhiro MASUYA in Molecular Autism, (June 2015)  

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