Historical perspectives
The understanding of the mind–body connection dates back to ancient civilizations (Găiseanu, 2021). In ancient Greece, Hippocrates highlighted the importance of treating the mind and body as a whole (Kleisiaris et al., 2014).
Eastern traditions, such as traditional Chinese medicine and ayurveda, have a long history of practicing holistic approaches to health (Johnson et al., 2024). They recognize the intricate interplay between mental and physical states (Fogaça et al., 2021).
In the West, dualistic perspectives dominated for centuries (Gendle, 2016). We can, in large part, thank Descartes’s theory of mind–body dualism for this misguided approach to health care (Ventriglio & Bhugra, 2015).
This perspective shifted during the 20th century as emerging scientific research began to validate the interconnectedness between mental and physical health (Hernandez et al., 2018). Let’s take a look at what the research is telling us now and how that is shaping theories in health care.
Theoretical Foundations & Research
Modern psychology and neuroscience are offering robust frameworks to better understand the mind–body link (Onnis, 2016).
Below are some key theoretical foundations and areas of research:
Psychoneuroimmunology
Psychoneuroimmunology explores how psychological factors influence the immune system (Kiecolt-Glaser et al., 2002).
This influence is thought to occur through the nervous and endocrine systems (Ziemssen & Kern, 2007). This means that stress, emotions, and cognitive processes can directly impact immune function, potentially increasing susceptibility to infections, slowing healing, or exacerbating autoimmune conditions (Ishikawa & Furuyashiki, 2021).
Studies have further shown that chronic stress can suppress immune function, making the body more susceptible to illness (Klopack, 2023). On the other hand, positive mental states, such as feelings of gratitude or joy, can bolster immune defenses (Barak, 2006).
Polyvagal theory
Developed by Stephen Porges (1997), polyvagal theory emphasizes the role of the vagus nerve in regulating emotional and physiological states. The theory explains how our autonomic nervous system responds to social cues and environmental stimuli, influencing both physical health and emotional wellbeing (Porges, 1997).
Strengthening vagal tone through practices such as deep breathing can help us develop resilience and emotional balance (Magnon et al., 2021).
Embodied cognition
This theory proposes that cognitive processes are deeply rooted in bodily interactions with the environment (Skulmowski & Rey, 2018). In other words, our body and how it engages with our surroundings play a fundamental role in shaping our thoughts and emotions (Gao et al., 2019).
For example, adopting a “power pose” has been claimed to influence feelings of confidence and affect hormone levels (Carney et al., 2010).
The biopsychosocial model
Engel’s (1981) biopsychosocial model provides a holistic framework for understanding health by integrating biological, psychological, and social factors. It highlights the importance of considering mental and emotional states alongside physical health and social contexts (Lehman et al., 2017).
These mind–body theories are shaping modern therapy practices by integrating holistic approaches (Kaushik et al., 2024). They acknowledge that mental health is deeply intertwined with physical responses, leading to more comprehensive therapeutic interventions that promote healing on both psychological and physiological levels (Carroll, 2017).
If you’re using techniques like mindfulness-based cognitive therapy (MBCT), somatic experiencing, and Hakomi therapy in your practice, you’re likely drawing from these theories (Parsons et al., 2017).
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