Might the inability to feel pleasure (anhedonia) explain the symptoms of major depression and schizophrenia, including unmotivated anxiety, delusions and hallucinations?

Grillo, Luigi

doi:10.1016/j.mehy.2011.10.002

Cited by 3 publications

(2 citation statements)

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“…The use of scales can determine the degree of hedonic tone or severity of anhedonia (Chapman, Grimshaw, & Nicholls, 2011; Kirkpatrick et al, 2011; Miettunen et al, 2011; Winterstein et al, 2011). Even people with severe symptoms of anhedonia can attain pleasure from a few sources (Meehl, 1990), and “normal” individuals also have varying degrees of hedonic tone (Grillo, 2012). The tipping point for when anhedonia becomes a pathological symptom is not clearly defined, but likely depends on duration, severity, and whether or not it interferes with activities of daily living.…”

Section: Concept Analysis Resultsmentioning

confidence: 99%

Anhedonia: A Concept Analysis

Sommers

2013

Archives of Psychiatric Nursing

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Anhedonia presents itself in a myriad of disease processes. To further develop our understanding of anhedonia and effective ways to manage it, the concept requires clear boundaries. This paper critically examined the current scientific literature and conducted a concept analysis of anhedonia to provide a more accurate and lucid understanding the concept. As part of the concept analysis, this paper also provides model, borderline, related, and contrary examples of anhedonia.

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Section: Concept Analysis Resultsmentioning

confidence: 99%

Anhedonia: A Concept Analysis

Sommers

2013

Archives of Psychiatric Nursing

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“…Anhedonia is considered a key symp tom of major depression [1][2][3] and may influence some important symptoms of depression 4 . Consider for example the apathy of depressed people.…”

Section: Introductionmentioning

confidence: 99%

Might a pleasure improve anhedonia and depression?

Grillo¹

2013

OA Medical Hypothesis

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Introduction Anhedonia (a reduction of the abil ity to feel pleasure) is considered a key symptom in major depression and may influence some of its most imp ortant symptoms, such as apathy, difficulty in concentrating and main taining attention, and gloomy mood. Various pleasurable sensations seem to be useful both in anhe donia and in depression. These pleasures are more intense than the usual daily ones, and their greater intensity could mean they can still be felt by a certain number of anhedonic individuals. Hypothesis Feeling a pleasant stimulus enhances the user's sensitivity to subsequent rewards, so subsequent pleasures can be felt more strongly for a certain time. In this way, a pleasure strong enough to be still felt by some anhe donic individuals might reinforce their sensitivity to other rewards, enabling them to regain previously faded or lost pleasures, hence impro ving the anhedonia. Evaluation of Hypothesis Anhedonia is a key symptom of major depression and may influence some of its symptoms; hence an improve ment in anhedonia, produced by a pleasure strong enough to be felt, might positively influence the life of depressed people. Consequences of Hypothesis Since many symptoms of depression could be influenced by anhedonia, ameliorating anhedonia may alleviate also these symptoms of depression. Conclusion A pleasure, strong enough to be felt, might allow anhedonic and depressed persons to regain, for a certain time, previously lostnormal pleasures, thus enabling them to temporarily lead a more enjoyable life.

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Hedonic Capacity and Related Factors in Schizophrenia and Schizoaffective Disorder

Ritsner

2014

Anhedonia: A Comprehensive Handbook Volume II

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Might the inability to feel pleasure (anhedonia) explain the symptoms of major depression and schizophrenia, including unmotivated anxiety, delusions and hallucinations?

Cited by 3 publications

References 79 publications

Anhedonia: A Concept Analysis

Anhedonia: A Concept Analysis

Might a pleasure improve anhedonia and depression?

Hedonic Capacity and Related Factors in Schizophrenia and Schizoaffective Disorder

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