Introduction
Chronic psychological stress is strongly associated with cognitive decline, emotional instability, and impaired mental performance. It contributes to neuroendocrine dysregulation, increased oxidative stress, neuroinflammation, and reduced synaptic adaptability, collectively affecting brain structure and function. One of the key consequences of prolonged stress is the impairment of neuroplasticity, particularly in regions such as the hippocampus, which is essential for memory and learning.
In Ayurveda, stress-related mental disturbances are linked to aggravated Vata Dosha, imbalance of Rajas and Tamas, and depletion of Ojas, resulting in reduced cognitive clarity and emotional resilience. Mandukaparni (Centella asiatica) is a classical Medhya Rasayana widely used for enhancing memory, calming the mind, and supporting mental stability under stress.1
Ayurvedic perspective of mandukaparni
Mandukaparni is traditionally described as a cooling and brain-nourishing herb that supports Dhi (intellect), Dhriti (retention), and Smriti (memory). It is considered beneficial in conditions such as anxiety, insomnia, mental fatigue, and stress-related cognitive dysfunction.2
From an Ayurvedic standpoint, its therapeutic actions include:
- Pacification of aggravated Vata and Pitta Dosha
- Enhancement of Sattva guna (mental clarity and stability)
- Reduction of excessive Rajas (mental agitation)
- Support of Ojas, improving stress tolerance and mental endurance
These properties collectively contribute to improved emotional balance and cognitive resilience.
Neuroplasticity and stress: Contemporary understanding
Neuroplasticity refers to the brain’s ability to adapt structurally and functionally in response to internal and external stimuli. Chronic stress impairs this adaptive capacity by:
- Reducing synaptic connectivity
- Suppressing neurogenesis in the hippocampus
- Increasing neuroinflammatory mediators
- Disrupting neurotransmitter balance
These changes contribute to impaired learning, memory deficits, and emotional dysregulation.
Effects of mandukaparni on meuroplasticity
Centella asiatica is a neuroactive herb with significant potential in modulating brain plasticity and stress response systems.3
Enhancement of synaptic and structural plasticity:
Mandukaparni supports neuronal growth processes, including dendritic development and synaptic remodeling, which are essential for learning and memory formation.
Regulation of neurotransmitter systems:
It influences neurotransmitter pathways involved in cognition, mood regulation, and stress response, contributing to improved mental stability and emotional balance.
Reduction of stress-induced neurotoxicity:
Chronic stress increases oxidative damage and neuronal injury. Mandukaparni exhibits antioxidant and neuroprotective actions that help preserve neuronal integrity and function.
Modulation of neuroinflammation:
It helps regulate inflammatory signaling pathways in the brain, which are known to impair neuroplasticity when chronically activated during stress.
Support of neuroendocrine balance:
Mandukaparni is associated with regulation of stress-response systems, helping normalize hyperactivation of the HPA axis and reducing cortisol-related neuronal damage.
Mental well-being and cognitive effects
Through its multimodal actions, Mandukaparni contributes to overall mental well-being by:
- Improving attention and cognitive processing
- Enhancing memory consolidation and recall
- Reducing anxiety and mental fatigue
- Supporting emotional regulation under stress
- Promoting adaptive stress resilience
Its role is particularly relevant in conditions where chronic stress leads to burnout-like cognitive and emotional symptoms.
Clinical relevance
Mandukaparni may be considered as a supportive intervention in:
- Stress-induced cognitive dysfunction
- Anxiety-associated memory impairment
- Mental fatigue and burnout
- Mild depressive symptoms related to chronic stress
- Age-related decline in cognitive flexibility
It is best utilized within a holistic framework that includes lifestyle regulation, stress management practices, and dietary optimization.
Conclusion
Mandukaparni (Centella asiatica) is a key Ayurvedic Medhya Rasayana with significant relevance in stress management and cognitive health. Classical Ayurvedic concepts emphasize its role in enhancing memory, stabilizing the mind, and improving mental resilience. Contemporary research supports its neuroplasticity-enhancing, neuroprotective, and stress-modulating properties, suggesting a strong link between traditional knowledge and modern neuroscience. Overall, Mandukaparni represents a promising natural intervention for improving mental well-being and preserving cognitive function under chronic psychological stress.4
Reference:
- Sharma R, Banerjee S, Sharma R. Role of Mandukparni (Centella asiatica Linn Urban) in neurological disorders: Evidence from ethnopharmacology and clinical studies to network enrichment analysis. Neurochem Int. 2024;180:105865. doi:10.1016/j.neuint.2024.105865 https://pubmed.ncbi.nlm.nih.gov/39307460/
- Jiang J, Han R, Ren H, Yao Y, Jiang W. A review of neuroprotective properties of Centella asiatica (L.) Urb. and its therapeutic effects. Ann Med. 2025;57(1):2559122. doi:10.1080/07853890.2025.2559122 A review of neuroprotective properties of Centella asiatica (L.) Urb. and its therapeutic effects - PMC
- Lokanathan Y, Omar N, Ahmad Puzi NN, Saim A, Hj Idrus R. Recent Updates in Neuroprotective and Neuroregenerative Potential of Centella asiatica. Malays J Med Sci. 2016;23(1):4-14. https://pmc.ncbi.nlm.nih.gov/articles/PMC4975583/
- Centella asiatica in Stress-Induced Depression: Multitarget Modulation of Neuroendocrine, Inflammatory, Redox, and Neuroplastic Pathways. J. Trop. Pharm. Chem. 2026;10(1):81-90. doi:10.30872/jtpc.v10i1.372 https://jtpc.ff.unmul.ac.id/index.php/jtpc/article/view/372