Original article

• The role of thought suppression in conversion disorder in relation to depression, symptom interpretation and sleep hygiene: a case-control study

  Pınar Güzel Özdemir, Umut Kırlı, Mesut Isik, Süheda Tapan

• Using data from schizophrenia outcome study to estimate the time to treatment outcome and the early-response cut-off score that predicts outcome at week 16

  Justus Uchenna Onu, Jude Uzoma Ohaeri

• PER3 VNTR variant and susceptibility to smoking status/substance use disorder in a Turkish population

  Ayse Feyda Nursal, Ayse Feyda Nursal, Mehmet Atilla Uysal, Mustafa Pehlivan, Yasemin Oyaci, Sacide Pehlivan

• Correlates of neuropsychiatric and motor tests with language assessment in patients with Lewy body dementia

  Fernando Chiodini Machado, Fabricio Ferreira de Oliveira, Sheilla de Medeiros Correia Marin, Gustavo Sampaio, Paulo Henrique Ferreira Bertolucci

Brief report

• Social communication impairments and restricted, repetitive patterns (“Kodawari”) considered from the “Comprehension” section of the WISC-IV in autism spectrum disorder

  Fujio Yokoyama, Nobuyuki Shono, Ayaka Takasugi, Reiko Sato, Eita Ochi, Shinji Okinaga, Hiroshi Oda, Yuko Hagiwara, Takahiro Matsuoka, Toshio Ota, Koji Matsuo

Letter to the editor

• Serotonin syndrome associated with methadone and milk thistle seeds: a case report

  Andreja Celofiga, Tomo Brus Hladen

• Evidence for a distinct depression-type schizophrenia: a pilot study

  Liying Liu, Ce Chen, Gongying Li, Xiaodong Lin, Deguo Jiang, Hongjun Tian, Xu Lang, Chuanjun Zhuo, Lixue Qiu