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  • Matthias N. Hartmann, Oliver M. Hager, +5 authors Stefan A. Kaiser
  • Psychology, Medicine
  • Schizophrenia bulletin
  • 2015 (First Publication: 1 March 2015)
  • Negative symptoms in schizophrenia have been grouped into the 2 factors of apathy and diminished expression, which might be caused by separable pathophysiological mechanisms. Recently, it has beenContinue Reading
  • Matthias Kirschner, Oliver M. Hager, +5 authors Stefan A. Kaiser
  • Psychology, Medicine
  • Journal of psychiatry & neuroscience : JPN
  • 2016 (First Publication: 1 May 2016)
  • BACKGROUND Negative symptoms of schizophrenia can be grouped in 2 dimensions: apathy and diminished expression. Increasing evidence suggests that negative symptoms are associated with altered neuralContinue Reading
  • Oliver M. Hager, Matthias Kirschner, Martin Bischof, Matthias N. Hartmann-Riemer, Stefan Kaiser
  • Psychology, Medicine
  • Schizophrenia Research
  • 2015 (First Publication: 1 October 2015)
  • The negative symptoms of schizophrenia have been associated with altered neural activity during both reward processing and cognitive processing. Even though increasing evidence suggests a strongContinue Reading
  • Martin G. Bischof, Caitriona Obermann, +5 authors Stefan A. Kaiser
  • Psychology, Medicine
  • BMC Psychiatry
  • 2016 (First Publication: 1 December 2016)
  • BackgroundNegative symptoms are considered core symptoms of schizophrenia. The Brief Negative Symptom Scale (BNSS) was developed to measure this symptomatic dimension according to a current consensusContinue Reading
  • Matthias N. Hartmann-Riemer, Oliver M. Hager, Matthias Kirschner, Martin Bischof, Stefan Kaiser
  • Psychology, Medicine
  • Schizophrenia Research
  • 2015 (First Publication: 1 December 2015)
  • Negative symptoms can be grouped into the two dimensions of diminished expression and apathy, which have been shown to be dissociable regarding external validators, such as functional outcome. Here,Continue Reading
  • Matthias Kirschner, Oliver M. Hager, +7 authors Stefan A. Kaiser
  • Psychology, Medicine
  • Schizophrenia bulletin
  • 2018 (First Publication: 25 October 2016)
  • Striatal abnormalities play a crucial role in the pathophysiology of schizophrenia. Growing evidence suggests an association between aberrant striatal activity during reward anticipation and symptomContinue Reading
  • Agne Kluge, Matthias Kirschner, Oliver M. Hager, Martin Georg Bischof, Stefan Kaiser
  • Psychology, Medicine
  • Schizophrenia Research
  • 2017 (First Publication: 1 October 2017)
  • BACKGROUND Apathy can be defined as a reduction of goal-directed behavior and is a strong predictor for poor functional outcome in schizophrenia. However, no objective measure of apathy has beenContinue Reading