There is growing attention towards atypical brain-body interactions and interoceptive processes and their potential role in psychiatric conditions, including affective and anxiety disorders. This paper aims to synthesize recent developments in this field. We present emerging explanatory models and focus on brain-body coupling and modulations of the underlying neurocircuitry that support the concept of a continuum of affective disorders. Grounded in theoretical frameworks like peripheral theories of emotion and predictive processing, we propose that altered interoceptive processes might represent transdiagnostic mechanisms that confer common vulnerability traits across multiple disorders. A deeper understanding of the interplay between bodily states and neural processing is essential for a holistic conceptualization of mental disorders.
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http://dx.doi.org/10.1016/j.jad.2024.09.135 | DOI Listing |
Nat Hum Behav
January 2025
Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China.
The biology underlying the connection between social relationships and health is largely unknown. Here, leveraging data from 42,062 participants across 2,920 plasma proteins in the UK Biobank, we characterized the proteomic signatures of social isolation and loneliness through proteome-wide association study and protein co-expression network analysis. Proteins linked to these constructs were implicated in inflammation, antiviral responses and complement systems.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
University of Rochester Medical Center, Rochester, NY, USA.
Emotional well-being (EWB) is considered to play an important role in the health of individuals over their lifespan. Clinical studies suggest an association between EWB and the risk or progression of AD. However, the mechanistic link and causal relationship between EWB and AD remain unknown, due to limited experimental access and control of the underlying brain processes in human.
View Article and Find Full Text PDFBone Res
January 2025
Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, China.
Accumulating research has shed light on the significance of skeletal interoception, in maintaining physiological and metabolic homeostasis related to bone health. This review provides a comprehensive analysis of how skeletal interoception influences bone homeostasis, delving into the complex interplay between the nervous system and skeletal system. One key focus of the review is the role of various factors such as prostaglandin E2 (PGE2) in skeletal health via skeletal interoception.
View Article and Find Full Text PDFSci Rep
December 2024
Faculty of Humanities and Social Sciences,Institute of Psychology, University of Pécs, 6 Ifjúság Street, Pécs, 7624, Hungary.
Living with chronic conditions like diabetes mellitus (DM) or insulin resistance (IR) requires significant self-management, adding to daily life stressors. This stress, known as diabetes distress, along with health empowerment from proper diet and lifestyle, and motivation to eat healthily, greatly impacts quality of life and disease outcomes. Different patient subgroups (type 1 diabetic (T1DM), type 2 diabetic (T2DM), and insulin resistant (IR) individuals) face these challenges differently.
View Article and Find Full Text PDFFront Hum Neurosci
December 2024
Department of Information Medicine, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan.
Accurate interoceptive processing in decision-making is essential to maintain homeostasis and overall health. Disruptions in this process have been associated with various psychiatric conditions, including depression. Recent studies have focused on nutrient homeostatic dysregulation in depression for effective subtype classification and treatment.
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