The Impact of Chronic Pain on Cognitive Function

<b>Background</b>: Chronic pain affects a significant proportion of the population in the United States and poses a significant public health concern. Beyond physical discomfort, chronic pain has been increasingly linked to cognitive dysfunction, including impairments in memory, attentio...

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Main Authors: Milan Patel, Jamal Hasoon, Rodrigo Diez Tafur, Giuliano Lo Bianco, Alaa Abd-Elsayed
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Brain Sciences
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Online Access:https://www.mdpi.com/2076-3425/15/6/559
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author Milan Patel
Jamal Hasoon
Rodrigo Diez Tafur
Giuliano Lo Bianco
Alaa Abd-Elsayed
author_facet Milan Patel
Jamal Hasoon
Rodrigo Diez Tafur
Giuliano Lo Bianco
Alaa Abd-Elsayed
author_sort Milan Patel
collection DOAJ
description <b>Background</b>: Chronic pain affects a significant proportion of the population in the United States and poses a significant public health concern. Beyond physical discomfort, chronic pain has been increasingly linked to cognitive dysfunction, including impairments in memory, attention, executive function, and decision-making. The relationship is particularly pronounced in older adults and may contribute to the onset or progression of neurodegenerative diseases. <b>Objective</b>: This comprehensive review explores the relationship between chronic pain and cognitive function, emphasizing the underlying neurobiological mechanisms, structural brain changes, and associated comorbidities. <b>Methods</b>: A review was conducted using peer-reviewed studies that began with the earliest pain and cognition mechanisms, followed by further investigation of cognitive effects of chronic pain, neuroimaging findings, and comorbid neuropsychiatric and neurodegenerative conditions. Sources included large-scale cohort studies, functional MRI analyses, and neurobiological investigations focusing on prefrontal cortex activity, default mode network alterations, and gray matter atrophy. <b>Results</b>: Chronic pain is associated with cognitive deficits through multiple converging pathways. It contributes to measurable impairments in cognitive function and is linked to structural and functional brain alterations. Regions of interest include the dorsolateral prefrontal cortex, medial prefrontal cortex, and default mode network, which can be connected to the neural resource hypothesis because of their cognitive domain impairments. A better understanding of these mechanisms highlights the importance of early recognition and multidisciplinary management strategies, including neuromodulation and cognitive rehabilitation. Future research should prioritize longitudinal studies and integrated interventions targeting both pain and cognitive health.
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spelling doaj-art-7359ffe6a96c461691243eaef7cc44a12025-08-20T03:27:17ZengMDPI AGBrain Sciences2076-34252025-05-0115655910.3390/brainsci15060559The Impact of Chronic Pain on Cognitive FunctionMilan Patel0Jamal Hasoon1Rodrigo Diez Tafur2Giuliano Lo Bianco3Alaa Abd-Elsayed4Department of Anesthesiology, School of Medicine and Public Health, University of Wisconsin, Madison, WI 53705, USADepartment of Anesthesiology, Critical Care, and Pain Medicine, University of Texas Health Science Center at Houston, Houston, TX 77030, USACentro MDRS: Sports, Spine & Pain Center, Pain Management Unit, Clinica Angloamericana, Lima 15073, PeruResponsabile Unita’ Operativa Analgesia e Chirurgia Percutanea, Fondazione Istituto G. Giglio, 90015 Cefalù, ItalyDepartment of Anesthesiology, School of Medicine and Public Health, University of Wisconsin, Madison, WI 53705, USA<b>Background</b>: Chronic pain affects a significant proportion of the population in the United States and poses a significant public health concern. Beyond physical discomfort, chronic pain has been increasingly linked to cognitive dysfunction, including impairments in memory, attention, executive function, and decision-making. The relationship is particularly pronounced in older adults and may contribute to the onset or progression of neurodegenerative diseases. <b>Objective</b>: This comprehensive review explores the relationship between chronic pain and cognitive function, emphasizing the underlying neurobiological mechanisms, structural brain changes, and associated comorbidities. <b>Methods</b>: A review was conducted using peer-reviewed studies that began with the earliest pain and cognition mechanisms, followed by further investigation of cognitive effects of chronic pain, neuroimaging findings, and comorbid neuropsychiatric and neurodegenerative conditions. Sources included large-scale cohort studies, functional MRI analyses, and neurobiological investigations focusing on prefrontal cortex activity, default mode network alterations, and gray matter atrophy. <b>Results</b>: Chronic pain is associated with cognitive deficits through multiple converging pathways. It contributes to measurable impairments in cognitive function and is linked to structural and functional brain alterations. Regions of interest include the dorsolateral prefrontal cortex, medial prefrontal cortex, and default mode network, which can be connected to the neural resource hypothesis because of their cognitive domain impairments. A better understanding of these mechanisms highlights the importance of early recognition and multidisciplinary management strategies, including neuromodulation and cognitive rehabilitation. Future research should prioritize longitudinal studies and integrated interventions targeting both pain and cognitive health.https://www.mdpi.com/2076-3425/15/6/559chronic paincognitive dysfunctionneuroinflammationgray matter atrophydepressionAlzheimer’s disease
spellingShingle Milan Patel
Jamal Hasoon
Rodrigo Diez Tafur
Giuliano Lo Bianco
Alaa Abd-Elsayed
The Impact of Chronic Pain on Cognitive Function
Brain Sciences
chronic pain
cognitive dysfunction
neuroinflammation
gray matter atrophy
depression
Alzheimer’s disease
title The Impact of Chronic Pain on Cognitive Function
title_full The Impact of Chronic Pain on Cognitive Function
title_fullStr The Impact of Chronic Pain on Cognitive Function
title_full_unstemmed The Impact of Chronic Pain on Cognitive Function
title_short The Impact of Chronic Pain on Cognitive Function
title_sort impact of chronic pain on cognitive function
topic chronic pain
cognitive dysfunction
neuroinflammation
gray matter atrophy
depression
Alzheimer’s disease
url https://www.mdpi.com/2076-3425/15/6/559
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