Masaya Tayama

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Individuals with Asperger's Disorder (ASP) have difficulties in social reciprocity and in providing appropriate cooperative behavior. The Prisoner's Dilemma (PD) is a well-known model in game theory that illustrates the paradoxical disposition of interaction between two individuals with opposing interests, and may be a useful tool in the diagnosis of ASP in(More)
In this study, we investigated the impact of Problem Drink on depression. Forty participants with depression were divided into 2 groups: non-Problem Drinker (NPD) group (n = 22) and Problem Drinker (PD) group (n = 18) according to Alcohol Use Disorder Identification Test (AUDIT) score (NPD < 12, PD > or = 12). Depression was assessed by the(More)
Current antipsychotics reduce positive symptoms and reverse negative symptoms in conjunction with cognitive behavioral issues with the goal of restoring impaired occupational and social functioning. However, limited information is available on their influence on gliogenesis or their neurogenic properties in adult schizophrenia brains, particularly on(More)
AIM Internet addiction (IA), also referred to as Internet use disorder, is a serious problem all over the world, especially in Asian countries. Severe IA in students may be linked to academic failure, attention-deficit hyperactivity disorder (ADHD), and forms of social withdrawal, such as hikikomori. In this study, we performed a survey to investigate the(More)
Patients with major depressive disorder (MDD) frequently also have alcohol use disorder (AUD) and they are more likely to experience symptomatic recurrence and resist treatment. How the two disorders interrelate has not yet been fully examined in Japanese subjects. The treatment response of 47 MDD patients was followed for 12 weeks. Depressive symptoms were(More)
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