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Auteur Akira IWANAMI |
Documents disponibles écrits par cet auteur (10)



ADHD Symptoms in Adults with Asperger’s Disorder: Findings from a Sample in Japan / Taisei OHNO in Autism - Open Access, 4-3 ([01/06/2014])
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[article]
Titre : ADHD Symptoms in Adults with Asperger’s Disorder: Findings from a Sample in Japan Type de document : Texte imprimé et/ou numérique Auteurs : Taisei OHNO, Auteur ; Masayuki TANI, Auteur ; Miki IGARASHI, Auteur ; Yuka OKAJIMA, Auteur ; Nobumasa KATO, Auteur ; Akira IWANAMI, Auteur Article en page(s) : 4 p. Langues : Anglais (eng) Mots-clés : Asperger’s disorder PDD ADHD CAARS AQ Index. décimale : PER Périodiques Résumé : Introduction: DSM-IV and ICD-10 criteria do not allow co-diagnosis of Pervasive Developmental Disorders(PDD) and Attention-Deficit/Hyperactivity Disorder (ADHD), but some researchers have noted that persons with PDD including Asperger’s disorder (AS) sometimes have symptoms similar to those of ADHD. The present study evaluated ADHD symptoms in adults with AS using Conner’s Adult ADHD Rating Scales screening version (CAARS-S:SV) in a Japanese sample. Methods: The present study evaluated ADHD symptoms in 40 adults with AS and 38 normal adults using CAARS-S:SV, Autism-Spectrum Quotient (AQ), Schizotypal Personality Questionnaire (SPQ), and Eysenck Personality Questionnaire (EPQ). The AS and the normal control group did not differ significantly in age, sex ratio, or estimated IQ. Results: Total, Inattention/Memory, and Hyperactivity/Restlessness scores of CAARS-S:SV were significantly higher in persons with AS than those in controls. In persons with AS, there was no significant correlation among three CAARS-S: SV scores and AQ. Discussion: These findings indicated that adults with AS have considerable ADHD symptoms, as well as in childhood and adolescence reported in previous reports. The results that in persons with AS total score of AQ was not correlated with CAARS scores indicated that ASD and ADHD have different pathophysiology. En ligne : https://dx.doi.org/10.4172/2165-7890.1000132 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=409
in Autism - Open Access > 4-3 [01/06/2014] . - 4 p.[article] ADHD Symptoms in Adults with Asperger’s Disorder: Findings from a Sample in Japan [Texte imprimé et/ou numérique] / Taisei OHNO, Auteur ; Masayuki TANI, Auteur ; Miki IGARASHI, Auteur ; Yuka OKAJIMA, Auteur ; Nobumasa KATO, Auteur ; Akira IWANAMI, Auteur . - 4 p.
Langues : Anglais (eng)
in Autism - Open Access > 4-3 [01/06/2014] . - 4 p.
Mots-clés : Asperger’s disorder PDD ADHD CAARS AQ Index. décimale : PER Périodiques Résumé : Introduction: DSM-IV and ICD-10 criteria do not allow co-diagnosis of Pervasive Developmental Disorders(PDD) and Attention-Deficit/Hyperactivity Disorder (ADHD), but some researchers have noted that persons with PDD including Asperger’s disorder (AS) sometimes have symptoms similar to those of ADHD. The present study evaluated ADHD symptoms in adults with AS using Conner’s Adult ADHD Rating Scales screening version (CAARS-S:SV) in a Japanese sample. Methods: The present study evaluated ADHD symptoms in 40 adults with AS and 38 normal adults using CAARS-S:SV, Autism-Spectrum Quotient (AQ), Schizotypal Personality Questionnaire (SPQ), and Eysenck Personality Questionnaire (EPQ). The AS and the normal control group did not differ significantly in age, sex ratio, or estimated IQ. Results: Total, Inattention/Memory, and Hyperactivity/Restlessness scores of CAARS-S:SV were significantly higher in persons with AS than those in controls. In persons with AS, there was no significant correlation among three CAARS-S: SV scores and AQ. Discussion: These findings indicated that adults with AS have considerable ADHD symptoms, as well as in childhood and adolescence reported in previous reports. The results that in persons with AS total score of AQ was not correlated with CAARS scores indicated that ASD and ADHD have different pathophysiology. En ligne : https://dx.doi.org/10.4172/2165-7890.1000132 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=409 Alterations of local spontaneous brain activity and connectivity in adults with high-functioning autism spectrum disorder / Takashi ITAHASHI in Molecular Autism, (May 2015)
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Titre : Alterations of local spontaneous brain activity and connectivity in adults with high-functioning autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : Takashi ITAHASHI, Auteur ; Takashi YAMADA, Auteur ; Hiromi WATANABE, Auteur ; Motoaki NAKAMURA, Auteur ; Haruhisa OHTA, Auteur ; Chieko KANAI, Auteur ; Akira IWANAMI, Auteur ; Nobumasa KATO, Auteur ; Ryu-ichiro HASHIMOTO, Auteur Article en page(s) : p.1-14 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Previous autism research has hypothesized that abnormalities of functional connectivity in autism spectrum disorder (ASD) may vary with the spatial distance between two brain regions. Although several resting-state functional magnetic resonance imaging (rsfMRI) studies have extensively examined long-range (or distant) connectivity in the adult ASD brain, short-range (or local) connectivity has been investigated in less depth. Furthermore, the possible relationship between functional connectivity and brain activity level during the resting state remains unclear. En ligne : http://dx.doi.org/10.1186/s13229-015-0026-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=277
in Molecular Autism > (May 2015) . - p.1-14[article] Alterations of local spontaneous brain activity and connectivity in adults with high-functioning autism spectrum disorder [Texte imprimé et/ou numérique] / Takashi ITAHASHI, Auteur ; Takashi YAMADA, Auteur ; Hiromi WATANABE, Auteur ; Motoaki NAKAMURA, Auteur ; Haruhisa OHTA, Auteur ; Chieko KANAI, Auteur ; Akira IWANAMI, Auteur ; Nobumasa KATO, Auteur ; Ryu-ichiro HASHIMOTO, Auteur . - p.1-14.
Langues : Anglais (eng)
in Molecular Autism > (May 2015) . - p.1-14
Index. décimale : PER Périodiques Résumé : Previous autism research has hypothesized that abnormalities of functional connectivity in autism spectrum disorder (ASD) may vary with the spatial distance between two brain regions. Although several resting-state functional magnetic resonance imaging (rsfMRI) studies have extensively examined long-range (or distant) connectivity in the adult ASD brain, short-range (or local) connectivity has been investigated in less depth. Furthermore, the possible relationship between functional connectivity and brain activity level during the resting state remains unclear. En ligne : http://dx.doi.org/10.1186/s13229-015-0026-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=277 Clinical characteristics of adults with Asperger's Syndrome assessed with self-report questionnaires / Chieko KANAI in Research in Autism Spectrum Disorders, 5-1 (January-March 2011)
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Titre : Clinical characteristics of adults with Asperger's Syndrome assessed with self-report questionnaires Type de document : Texte imprimé et/ou numérique Auteurs : Chieko KANAI, Auteur ; Akira IWANAMI, Auteur ; Haruhisa OTA, Auteur ; Hidenori YAMASUE, Auteur ; Eisuke MATSUSHIMA, Auteur ; Hideki YOKOI, Auteur ; Kazuyuki SHINOHARA, Auteur ; Nobumasa KATO, Auteur Année de publication : 2011 Article en page(s) : p.185-190 Langues : Anglais (eng) Mots-clés : Asperger's-Syndrome Clinical-characteristics Self-report-questionnaires Autism-Spectrum-Quotient-(AQ) Schizotypal-Personality-Questionnaire-(SPQ) Eysenck-Personality-Questionnaire-(EPQ) Index. décimale : PER Périodiques Résumé : Diagnosis of Asperger's Syndrome (AS) in adults is difficult, and clinical sample-based studies that systematically illustrate the clinical characteristics of adult AS patients are needed so that appropriate treatment can be provided. Here we examined the clinical characteristics of AS in 112 adults (median age, 28.0 years [range, 18–52]; 71 men and 41 women: 55 AS group (median age, 27.0 years [range, 18–49]; 36 men and 19 women), 57 control group (median age, 28.0 years [range, 20–52]; 35 men and 22 women) through administration of the Japanese version of the Autism-Spectrum Quotient (AQ) and the Japanese version of the Schizotypal Personality Questionnaire (SPQ), and the Eysenck Personality Questionnaire (EPQ). Scores on the AQ, SPQ, and the ‘Neuroticism’ and ‘Psychoticism’ scores of the EPQ were significantly higher in adults with AS than in controls. The ‘Extraversion’ and ‘Lie’ scores of the EPQ were significantly lower in adults with AS than in controls. The total score of the AQ was correlated with 3 subscale scores (unusual perceptual experiences, odd or eccentric behavior, and suspiciousness) of the SPQ in the AS group, but not in the control group. The findings demonstrated that AQ and other personality scales could be used to elucidate the clinical characteristics of AS in adults. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.03.008 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=111
in Research in Autism Spectrum Disorders > 5-1 (January-March 2011) . - p.185-190[article] Clinical characteristics of adults with Asperger's Syndrome assessed with self-report questionnaires [Texte imprimé et/ou numérique] / Chieko KANAI, Auteur ; Akira IWANAMI, Auteur ; Haruhisa OTA, Auteur ; Hidenori YAMASUE, Auteur ; Eisuke MATSUSHIMA, Auteur ; Hideki YOKOI, Auteur ; Kazuyuki SHINOHARA, Auteur ; Nobumasa KATO, Auteur . - 2011 . - p.185-190.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 5-1 (January-March 2011) . - p.185-190
Mots-clés : Asperger's-Syndrome Clinical-characteristics Self-report-questionnaires Autism-Spectrum-Quotient-(AQ) Schizotypal-Personality-Questionnaire-(SPQ) Eysenck-Personality-Questionnaire-(EPQ) Index. décimale : PER Périodiques Résumé : Diagnosis of Asperger's Syndrome (AS) in adults is difficult, and clinical sample-based studies that systematically illustrate the clinical characteristics of adult AS patients are needed so that appropriate treatment can be provided. Here we examined the clinical characteristics of AS in 112 adults (median age, 28.0 years [range, 18–52]; 71 men and 41 women: 55 AS group (median age, 27.0 years [range, 18–49]; 36 men and 19 women), 57 control group (median age, 28.0 years [range, 20–52]; 35 men and 22 women) through administration of the Japanese version of the Autism-Spectrum Quotient (AQ) and the Japanese version of the Schizotypal Personality Questionnaire (SPQ), and the Eysenck Personality Questionnaire (EPQ). Scores on the AQ, SPQ, and the ‘Neuroticism’ and ‘Psychoticism’ scores of the EPQ were significantly higher in adults with AS than in controls. The ‘Extraversion’ and ‘Lie’ scores of the EPQ were significantly lower in adults with AS than in controls. The total score of the AQ was correlated with 3 subscale scores (unusual perceptual experiences, odd or eccentric behavior, and suspiciousness) of the SPQ in the AS group, but not in the control group. The findings demonstrated that AQ and other personality scales could be used to elucidate the clinical characteristics of AS in adults. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.03.008 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=111 Clinical characterization of adults with Asperger's syndrome assessed by self-report questionnaires based on depression, anxiety, and personality / Chieko KANAI in Research in Autism Spectrum Disorders, 5-4 (October-December 2011)
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[article]
Titre : Clinical characterization of adults with Asperger's syndrome assessed by self-report questionnaires based on depression, anxiety, and personality Type de document : Texte imprimé et/ou numérique Auteurs : Chieko KANAI, Auteur ; Akira IWANAMI, Auteur ; Ryuichiro HASHIMORO, Auteur ; Haruhisa OTA, Auteur ; Masayuki TANI, Auteur ; Takashi YAMADA, Auteur ; Nobumasa KATO, Auteur Année de publication : 2011 Article en page(s) : p.1451-1458 Langues : Anglais (eng) Mots-clés : Asperger's syndrome Clinical characterization Autism-Spectrum Quotient (AQ) Hospital Anxiety and Depression Scale (HADS) Liebowitz Social Anxiety Scale (L-SAS) NEO Five-Factor Inventory (NEO-FFI) Index. décimale : PER Périodiques Résumé : Diagnosing Asperger's syndrome (AS) in adults is difficult and efficient indicators for a precise diagnosis are important in the clinical setting. We examined the clinical characteristics of AS in 129 adults (median age, 32.0 years [range, 19–57]; 102 men and 27 women; AS group (n = 64; median age, 32.0 years [range, 19–50]; 50 men and 14 women), control group (n = 65; median age, 32.0 years [range, 19–57]; 52 men and 13 women) through administration of the Japanese version of the Autism-Spectrum Quotient (AQ) and the Japanese version of the Hospital Anxiety and Depression Scale (HADS), the Liebowitz Social Anxiety Scale (L-SAS), and the NEO Five-Factor Inventory (NEO-FFI). AQ, HADS, and L-SAS scores, and the ‘Neuroticism’ scores of the NEO-FFI were significantly higher in adults with AS than in controls. The ‘Extraversion’, ‘Agreeableness’, and ‘Conscientiousness’ scores of the NEO-FFI were significantly lower in adults with AS than in controls. Total score of the AQ correlated with the ‘Anxiety’ subscale score of the HADS and the ‘Extraversion’, ‘Openness’, and ‘Conscientiousness’ subscale scores of the NEO-FFI in adults with AS, but not in controls. The findings demonstrated that the AQ and other scales could be used to elucidate the clinical characteristics of AS in adults. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.02.005 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=125
in Research in Autism Spectrum Disorders > 5-4 (October-December 2011) . - p.1451-1458[article] Clinical characterization of adults with Asperger's syndrome assessed by self-report questionnaires based on depression, anxiety, and personality [Texte imprimé et/ou numérique] / Chieko KANAI, Auteur ; Akira IWANAMI, Auteur ; Ryuichiro HASHIMORO, Auteur ; Haruhisa OTA, Auteur ; Masayuki TANI, Auteur ; Takashi YAMADA, Auteur ; Nobumasa KATO, Auteur . - 2011 . - p.1451-1458.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 5-4 (October-December 2011) . - p.1451-1458
Mots-clés : Asperger's syndrome Clinical characterization Autism-Spectrum Quotient (AQ) Hospital Anxiety and Depression Scale (HADS) Liebowitz Social Anxiety Scale (L-SAS) NEO Five-Factor Inventory (NEO-FFI) Index. décimale : PER Périodiques Résumé : Diagnosing Asperger's syndrome (AS) in adults is difficult and efficient indicators for a precise diagnosis are important in the clinical setting. We examined the clinical characteristics of AS in 129 adults (median age, 32.0 years [range, 19–57]; 102 men and 27 women; AS group (n = 64; median age, 32.0 years [range, 19–50]; 50 men and 14 women), control group (n = 65; median age, 32.0 years [range, 19–57]; 52 men and 13 women) through administration of the Japanese version of the Autism-Spectrum Quotient (AQ) and the Japanese version of the Hospital Anxiety and Depression Scale (HADS), the Liebowitz Social Anxiety Scale (L-SAS), and the NEO Five-Factor Inventory (NEO-FFI). AQ, HADS, and L-SAS scores, and the ‘Neuroticism’ scores of the NEO-FFI were significantly higher in adults with AS than in controls. The ‘Extraversion’, ‘Agreeableness’, and ‘Conscientiousness’ scores of the NEO-FFI were significantly lower in adults with AS than in controls. Total score of the AQ correlated with the ‘Anxiety’ subscale score of the HADS and the ‘Extraversion’, ‘Openness’, and ‘Conscientiousness’ subscale scores of the NEO-FFI in adults with AS, but not in controls. The findings demonstrated that the AQ and other scales could be used to elucidate the clinical characteristics of AS in adults. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.02.005 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=125 Cognitive profiles of adults with Asperger's disorder, high-functioning autism, and pervasive developmental disorder not otherwise specified based on the WAIS-III / Chieko KANAI in Research in Autism Spectrum Disorders, 6-1 (January-March 2012)
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Titre : Cognitive profiles of adults with Asperger's disorder, high-functioning autism, and pervasive developmental disorder not otherwise specified based on the WAIS-III Type de document : Texte imprimé et/ou numérique Auteurs : Chieko KANAI, Auteur ; Masayuki TANI, Auteur ; Ryuichiro HASHIMORO, Auteur ; Takashi YAMADA, Auteur ; Haruhisa OTA, Auteur ; Hiromi WATANABE, Auteur ; Akira IWANAMI, Auteur ; Nobumasa KATO, Auteur Année de publication : 2012 Article en page(s) : p.58-64 Langues : Anglais (eng) Mots-clés : Asperger's disorder (AS) High-functioning autism (HFA) Pervasive developmental disorder not otherwise specified (PDDNOS) Wechsler Intelligence Scale III (WAIS-III) Index. décimale : PER Périodiques Résumé : Little is known about the cognitive profiles of high-functioning Pervasive Developmental Disorders (PDD) in adults based on the Wechsler Intelligence Scale III (WAIS-III). We examined cognitive profiles of adults with no intellectual disability (IQ > 70), and in adults with Asperger's disorder (AS; n = 47), high-functioning autism (HFA; n = 24), and pervasive developmental disorder not otherwise specified (PDDNOS; n = 51) using the WAIS-III. Verbal Intelligence (VIQ)–Performance Intelligence (PIQ) differences were detected between the three groups. Full Intelligence (FIQ) and VIQ scores were significantly higher in AS than in HFA and PDDNOS. Vocabulary, Information, and Comprehension subtest scores in the Verbal Comprehension index were significantly higher in AS than in the other subgroups, while Digit-Symbol Coding and Symbol Search subtest scores in the Processing Speed index were significantly lower in HFA. The findings demonstrated cognitive profiles characteristic of adults with high-functioning PDD. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.09.004 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=146
in Research in Autism Spectrum Disorders > 6-1 (January-March 2012) . - p.58-64[article] Cognitive profiles of adults with Asperger's disorder, high-functioning autism, and pervasive developmental disorder not otherwise specified based on the WAIS-III [Texte imprimé et/ou numérique] / Chieko KANAI, Auteur ; Masayuki TANI, Auteur ; Ryuichiro HASHIMORO, Auteur ; Takashi YAMADA, Auteur ; Haruhisa OTA, Auteur ; Hiromi WATANABE, Auteur ; Akira IWANAMI, Auteur ; Nobumasa KATO, Auteur . - 2012 . - p.58-64.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 6-1 (January-March 2012) . - p.58-64
Mots-clés : Asperger's disorder (AS) High-functioning autism (HFA) Pervasive developmental disorder not otherwise specified (PDDNOS) Wechsler Intelligence Scale III (WAIS-III) Index. décimale : PER Périodiques Résumé : Little is known about the cognitive profiles of high-functioning Pervasive Developmental Disorders (PDD) in adults based on the Wechsler Intelligence Scale III (WAIS-III). We examined cognitive profiles of adults with no intellectual disability (IQ > 70), and in adults with Asperger's disorder (AS; n = 47), high-functioning autism (HFA; n = 24), and pervasive developmental disorder not otherwise specified (PDDNOS; n = 51) using the WAIS-III. Verbal Intelligence (VIQ)–Performance Intelligence (PIQ) differences were detected between the three groups. Full Intelligence (FIQ) and VIQ scores were significantly higher in AS than in HFA and PDDNOS. Vocabulary, Information, and Comprehension subtest scores in the Verbal Comprehension index were significantly higher in AS than in the other subgroups, while Digit-Symbol Coding and Symbol Search subtest scores in the Processing Speed index were significantly lower in HFA. The findings demonstrated cognitive profiles characteristic of adults with high-functioning PDD. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.09.004 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=146 ental and behavioral symptoms of person's with Asperger's syndrome: Relationships with social isolation and handicaps / Masayuki TANI in Research in Autism Spectrum Disorders, 6-2 (April-June 2012)
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PermalinkRecognition of Facial Expressions and Prosodic Cues with Graded Emotional Intensities in Adults with Asperger Syndrome / Hirokazu DOI in Journal of Autism and Developmental Disorders, 43-9 (September 2013)
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PermalinkStandardization of the Japanese version of the Glasgow Sensory Questionnaire (GSQ) / Yuko TAKAYAMA in Research in Autism Spectrum Disorders, 8-4 (April 2014)
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PermalinkTask dependent prefrontal dysfunction in persons with Asperger's disorder investigated with multi-channel near-infrared spectroscopy / Akira IWANAMI in Research in Autism Spectrum Disorders, 5-3 (July-September 2011)
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PermalinkThe effect of intranasal oxytocin versus placebo treatment on the autonomic responses to human sounds in autism: a single-blind, randomized, placebo-controlled, crossover design study / I-Fan LIN in Molecular Autism, (February 2014)
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