Emotional Experience in Patients With Schizophrenia Revisited: Meta-analysis of Laboratory Studies
Alex S. Cohen,Kyle S. Minor +1 more
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TLDR
Patients' ability to experience hedonic emotion is preserved, although they also show relatively strong, simultaneously occurring aversive emotion when processing laboratory stimuli considered by others to be pleasant or neutral.Abstract:
Our understanding of the emotion deficits in schizophrenia is limited. Findings from studies employing trait emotion instruments suggest that patients have attenuated levels of positive emotion (ie, anhedonia) and increased levels of negative emotion. Conversely, patients and controls have not statistically differed in their subjective reactions to positive or negative valenced stimuli in most laboratory studies to date. Further obfuscating this issue is the fact that many of these laboratory studies are underpowered and a handful of emotion induction studies have found evidence of anhedonia. We conducted a meta-analysis of 26 published studies employing laboratory emotion induction procedures in patients with schizophrenia and healthy controls.Patients did notdiffer from controls whenstrictlyrating their subjective hedonic reactions to the stimuli. However, they reported experiencing relatively strong aversion to both positive and neutral stimuli (Hedges D .72 and .64, respectively). These findings were notthe result of demonstrable sample or methodological differences across studies. Patients’ ability to experience hedonic emotion is preserved, although they also show relatively strong, simultaneously occurring aversive emotion whenprocessing laboratory stimuli considered by others to be pleasant or neutral.read more
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Social cognition in schizophrenia
TL;DR: Empirical empathy is considered as an example of a complex social cognitive function that integrates several social processes and is impaired in schizophrenia, and interventions to improve social cognition in patients with this disorder are considered.
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Negative symptoms of schizophrenia are associated with abnormal effort-cost computations.
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References
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TL;DR: The field of neuroscience has, after a long period of looking the other way, again embraced emotion as an important research area, and much of the progress has come from studies of fear, and especially fear conditioning as mentioned in this paper.
Journal ArticleDOI
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Charles S. Carver,Teri L. White +1 more
TL;DR: In this paper, self-report scales to assess dispositional BIS and behavioral activation system (BAS) sensitivities were created, and a situation in which Ss anticipated a punishment was created.
Book
Dementia Praecox or the Group of Schizophrenias
TL;DR: It's coming again, the new collection that this site has; the favorite dementia praecox or the group of schizophrenias monograph series on schizophrenia no 1 book is offered today.
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Dementia praecox and paraphrenia
TL;DR: "Dementia Praecox and Paraphrenia" (1919) was the book in which Kraepelin first presented his work on schizophrenia to the English-speaking world, and it was probably the most influential psychiatric text of the entire 20th century, and has now become rare.
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The Laws of Emotion
TL;DR: It is argued that emotions are lawful phe- nomena and thus can be described in terms of a set of laws of emotion, which result from the operation of emotion mechanisms that are accessible to intentional control to only a limited extent.