Anhedonia in schizophrenia

@article{Wolf2006AnhedoniaIS,
  title={Anhedonia in schizophrenia},
  author={Daniel H. Wolf},
  journal={Current Psychiatry Reports},
  year={2006},
  volume={8},
  pages={322-328}
}
  • D. Wolf
  • Published 1 August 2006
  • Psychology, Medicine
  • Current Psychiatry Reports
This review highlights key issues and recent progress in understanding the epidemiology, phenomenology, etiology, and treatment of anhedonia in schizophrenia. A reduced pleasure capacity has been recognized as an important feature of the illness since the time of Kraepelin and Bleuler. However, it remains poorly understood for many reasons, including the phenotypic heterogeneity of schizophrenia, the multidimensionality and multifactorial etiology of anhedonia, and the dif-ficulties inherent in… 
Anhedonia in Schizophrenia: A Brief History and Overview of the Construct
Though studied for decades in relation to mood disorders, anhedonia has only more recently become widely discussed in relation to schizophrenia, despite being described in the earliest writings
Anhedonia in schizophrenia: The role of subjective experiences.
Reconceptualizing anhedonia: novel perspectives on balancing the pleasure networks in the human brain
TLDR
Evidence suggesting that patients suffering from depression and schizophrenia show impairments in wanting and learning, while some aspects of conscious liking seem surprisingly intact is reviewed, suggesting that anhedonia is heterogeneous across psychiatric disorders, depending on which parts of the pleasure networks are most affected.
Anhedonia of Patients with Schizophrenia and Schizoaffective Disorder is Attributed to Personality-Related Factors Rather than to State-Dependent Clinical Symptoms.
  • M. Ritsner
  • Psychology, Medicine
    Clinical schizophrenia & related psychoses
  • 2016
TLDR
The hedonic functioning of SZ/SA patients is attributed to a number of personality-related factors rather than to state-dependent clinical symptoms, enabling better understanding of the multifactorial nature of anhedonia and might be of therapeutic relevance.
Amotivation in schizophrenia: integrated assessment with behavioral, clinical, and imaging measures.
TLDR
It is found that individuals with schizophrenia had diminished motivation as measured by the PRT, which significantly and selectively related to clinical amotivation as measured to the recently validated Clinical Assessment Interview for Negative Symptoms (CAINS).
Hedonic Capacity and Related Factors in Schizophrenia and Schizoaffective Disorder
Anhedonia describes the feeling of decreased capacity to experience pleasure, for example, when activities that an individual once found pleasurable are no longer enjoyable. The present chapter
The neurobiology of anhedonia and other reward-related deficits
Anhedonia in adolescents at ultra-high risk (UHR) of psychosis: findings from a 1-year longitudinal study
TLDR
Assessment of anhedonia in distinct help-seeking subgroups of adolescents identified through the ultra-high risk (UHR) criteria found its severity is not statistically different from that of FEP adolescents and is related to more severe functioning impairment and a worse quality of life.
...
...

References

SHOWING 1-10 OF 48 REFERENCES
Anhedonia in schizophrenia: a review of assessment strategies.
TLDR
It is concluded that anhedonia can be reliably assessed and constitutes a distinctive, clinically important aspect of schizophrenia that should be included in a comprehensive evaluation of negative symptoms.
The Negative Symptoms of Schizophrenia: A Cognitive Perspective
TLDR
It is suggested that negative symptoms represent, in part, a compensatory pattern of disengagement in response to threatening delusional beliefs, perceived social threat, and anticipated failure in tasks and social activities.
Physical anhedonia in the acute phase of schizophrenia
TLDR
It seems that in the acute phase of schizophrenia, physical anhedonia may be a contributing factor to patient's psychopathology.
Negative symptoms in schizophrenia. Definition and reliability.
  • N. Andreasen
  • Psychology, Medicine
    Archives of general psychiatry
  • 1982
TLDR
The developed Scale for the Assessment of Negative Symptoms has excellent interrater reliability and the five symptom complexes defined by the scale have good internal consistency, which indicates that the conceptual organization of the scale is also cohesive.
The course of anhedonia during 10 years of schizophrenic illness.
TLDR
The current research found that physical, but not depressive, anhedonia is a stable characteristic over a 10-year period and the relationship between some premorbid characteristics and physicalAnhedonia are significant even 10 years into the course of illness.
Animal-Assisted Therapy Ameliorates Anhedonia in Schizophrenia Patients
TLDR
The hypothesis that animal-assisted therapy (AAT) may improve anhedonia and contribute to the psychosocial rehabilitation and quality of life of chronic schizophrenia patients is tested.
The NIMH-MATRICS consensus statement on negative symptoms.
TLDR
A consensus development conference was held to review the data relating to the existence of separate domains within negative symptoms, as a prerequisite for choosing appropriate measures of these domains in clinical trials and to examine issues that may interfere with treatment development.
Diminished Emotionality and Social Functioning in Schizophrenia
TLDR
There was a substantial amount of discrepancy between patients’ self-reported levels of emotionality and the ratings of their emotionality as made by trained observers, and implications are discussed.
Anhedonia in schizophrenia: a distinct familial subtype?
...
...