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    Article

    ASD symptoms in adults with ADHD: a comparative study using ADOS-2

    In this study, we examined autism spectrum disorder (ASD) symptoms in adults with attention-deficit hyperactivity disorder (ADHD) in comparison with normal controls using the Autism Diagnostic Observation Sche...

    Wakaho Hayashi, Yoichi Hanawa, Nobuyuki Saga in European Archives of Psychiatry and Clinic… (2022)

  2. Article

    Correction to: ASD symptoms in adults with ADHD: a preliminary study using the ADOS-2

    Wakaho Hayashi, Yoichi Hanawa, Yuriko Iwami in European Archives of Psychiatry and Clinic… (2022)

  3. No Access

    Article

    ASD symptoms in adults with ADHD: a preliminary study using the ADOS-2

    Attention-deficit/hyperactivity disorder (ADHD) has long been regarded as disparate and mutually exclusive to autism spectrum disorder (ASD) in the Diagnostic and Statistical Manual of Mental Disorders (DSM)-I...

    Wakaho Hayashi, Yoichi Hanawa, Iwami Yuriko in European Archives of Psychiatry and Clinic… (2022)

  4. Article

    Open Access

    Identification of attention-deficit hyperactivity disorder based on the complexity and symmetricity of pupil diameter

    Adult attention-deficit/hyperactivity disorder (ADHD) frequently leads to psychological/social dysfunction if unaddressed. Identifying a reliable biomarker would assist the diagnosis of adult ADHD and ensure t...

    Sou Nobukawa, Aya Shirama, Tetsuya Takahashi, Toshinobu Takeda in Scientific Reports (2021)

  5. Article

    Open Access

    Correction to: Safety and efficacy of guanfacine extended-release in adults with attention-deficit/hyperactivity disorder: an open-label, long-term, phase 3 extension study

    An amendment to this paper has been published and can be accessed via the original article.

    Akira Iwanami, Kazuhiko Saito, Masakazu Fujiwara, Daiki Okutsu in BMC Psychiatry (2020)

  6. Article

    Open Access

    Safety and efficacy of guanfacine extended-release in adults with attention-deficit/hyperactivity disorder: an open-label, long-term, phase 3 extension study

    To assess the safety and efficacy of long-term administration of guanfacine extended-release (GXR) in adults with attention-deficit/hyperactivity disorder (ADHD).

    Akira Iwanami, Kazuhiko Saito, Masakazu Fujiwara, Daiki Okutsu in BMC Psychiatry (2020)

  7. Article

    Open Access

    Sustaining temporal attention prevents habit expression during operant learning in rats

    As repeated operant performance promotes the transition from goal-directed action to habitual response, it appears that action-outcome contingency learning precedes and is necessary for the transition. Meanwhi...

    Ziqiao Lin, Hiromi Nishikawa, Yoshio Iguchi, Akira Iwanami in Scientific Reports (2020)

  8. Article

    Open Access

    Alterations of local spontaneous brain activity and connectivity in adults with high-functioning autism spectrum disorder

    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-...

    Takashi Itahashi, Takashi Yamada, Hiromi Watanabe, Motoaki Nakamura in Molecular Autism (2015)

  9. Article

    Open Access

    The 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

    Many individuals with autism spectrum disorders (ASD) have difficulty with verbal communication, which might be due to a lack of spontaneous orientation toward social auditory stimuli. Previous studies have sh...

    I-Fan Lin, Makio Kashino, Haruhisa Ohta, Takashi Yamada, Masayuki Tani in Molecular Autism (2014)

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    Article

    Recognition of Facial Expressions and Prosodic Cues with Graded Emotional Intensities in Adults with Asperger Syndrome

    This study investigated the ability of adults with Asperger syndrome to recognize emotional categories of facial expressions and emotional prosodies with graded emotional intensities. The individuals with Aspe...

    Hirokazu Doi, Takashi X. Fujisawa in Journal of Autism and Developmental Disord… (2013)

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    Article

    Association Study between Auditory P3a/P3b Event-Related Potentials and Thought Disorder in Schizophrenia

    Thought disorder is considered as one of the core features of schizophrenia and several research groups previously reported an association between P300 (P3b) amplitude and thought disorder in schizophrenia. Ho...

    Kenji Kirihara, Tsuyoshi Araki, Miki Uetsuki in Brain Imaging and Behavior (2009)

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    Article

    Reduced planum temporale volume and delusional behaviour in patients with schizophrenia

    The structural abnormality of planum temporale (PT), a part of the superior temporal heteromodal association cortex involved in auditory and language processing, has been implicated in the pathophysiology of s...

    Syudo Yamasaki, Hidenori Yamasue, Osamu Abe in European Archives of Psychiatry and Clinic… (2007)

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    Article

    P300 amplitude over temporal regions in schizophrenia

    To examine the left temporal scalp area reductions of P300 amplitude, event-related potentials (ERPs) during a standard oddball task were recorded in 57 schizophrenic patients and 33 normal controls. The P300 ...

    Akira Iwanami, Nobumasa Kato, Kiyoto Kasai in European Archives of Psychiatry and Clinic… (2002)

  14. No Access

    Article

    Auditory event-related potentials in panic disorder

    To investigate the psychophysiological features of panic disorder (PD), we recorded auditory event-related potentials (ERPs) in 12 patients with PD meeting the DSM-IV criteria and in 12 age-matched normal cont...

    Akira Iwanami, Hiroshi Isono, Yuka Okajima in European Archives of Psychiatry and Clinic… (1997)

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    Article

    Event-related potentials in methamphetamine psychosis during an auditory discrimination task

    Auditory event-related potentials (ERPs) during a syllable discrimination task were recorded from 15 patients suffering from methamphetamine (MAP) psychosis after the remission of acute psychotic symptoms, and...

    Akira Iwanami, Ichiro Suga, Nobukatsu Kato in European Archives of Psychiatry and Clinic… (1993)