Cited by 81Bipolar Disorder and TreatmentTreatment of Major DepressionNeural and Behavioral Psychology Studies

Anhedonia in depression and bipolar disorder

Whitton, Alexis E., Pizzagalli, Diego A.·2022·Current topics in behavioral neurosciences

Abstract

Anhedonia is a hallmark feature of depression and is highly prevalent among individuals with mood disorders. The history and neurobiology of anhedonia has been most extensively studied in the context of unipolar Major Depressive Disorder (MDD), with converging lines of evidence indicating that marked anhedonia heralds a more chronic and treatment-refractory illness course. Furthermore, findings from neuroimaging studies suggest that anhedonia in MDD is associated with aberrant reward-related activation in key brain reward regions, particularly blunted reward anticipation-related activation in the ventral striatum. However, the ongoing clinical challenge of treating anhedonia in the context of Bipolar Disorder (BD) also highlights important gaps in our understanding of anhedonia's prevalence, severity, and pathophysiology along the entire mood disorder spectrum. In addition, although current theoretical models posit a key role for reward hyposensitivity in BD depression, unlike studies in MDD, studies in BD do not clearly show evidence for reduced reward-related activation in striatal or other brain regions. Although further research is needed, the evidence to date hints at a divergent pathophysiology for anhedonia in unipolar and bipolar mood disorders, which, if better understood, could lead to significant improvements in the diagnosis and treatment of MDD and BD.

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Crossref · 10.1007/7854_2022_323

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Authors
Whitton, A. E., & Pizzagalli, D. A.
Affiliations
  • Black Dog Institute (AU)
  • Harvard University (US)
Corresponding author
Pizzagalli, Diego A.
Venue
Current topics in behavioral neurosciences
Published
2022
Volume
58
Pages
111-127
ISSN
  • 1866-3370 (ISSN-L)
  • 1866-3389
OpenAlex
W4223540410
Cited by
80
References
86
Citations by year
2026: 24 · 2025: 29 · 2024: 15 · 2023: 9 · 2022: 3
FWCI
76.39
Type
book chapter
Language
en
Open access
closed
Locations
  • Current topics in behavioral neurosciences (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (P50MH119467, R01MH095809, R37MH068376)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Bipolar Disorder and Treatment
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
anhedonia, major depressive disorder, bipolar disorder, reward processing, ventral striatum, reward anticipation, treatment-resistant depression, mood disorders
MeSH terms
Bipolar Disorder, Depression, Major Depressive Disorder, Humans, Magnetic Resonance Imaging, Reward, Anhedonia, Ventral Striatum

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