The PJM Brain Performance Framework™ | Neuroplasticity, Stress & Energy
About the Author
Jordan Pearson
Co-Founder, PURE JOY Mushrooms
Jordan holds a degree in Biomedical Sciences with a focus on Pharmacology. His academic background provided a foundation in human physiology and biochemical signalling, which continues to inform the PJM Science Series.
Today, he focuses on translating research in stress biology, neuroplasticity and sleep science into clear, practical frameworks for modern performance and resilience.
Supporting the Biology of Focus, Energy & Resilience
Brain performance depends on biological systems that regulate stress signalling, cellular energy production, sleep architecture and inflammation. The PJM Brain Performance Framework™ explains how these interconnected systems shape neuroplasticity — the brain’s ability to adapt, focus and remain resilient under pressure.
Performance is not built on motivation alone.
It is built on biology.
Focus, clarity, sustained energy and emotional resilience are not isolated traits. They are outputs of coordinated systems inside the brain and body.
The PJM Brain Performance Framework™ was developed to articulate how stress regulation, mitochondrial energy, sleep recovery, inflammatory balance and hormonal transition collectively influence adaptive capacity.
When these systems are supported, clarity becomes more accessible.
When they are dysregulated, brain fog, fatigue and volatility often follow.
This framework is not about stimulation.
It is about supporting the systems that enable adaptation.
What Is Neuroplasticity?
Neuroplasticity refers to the brain’s ability to:
• Form new neural connections
• Strengthen synapses
• Adapt under stress
• Consolidate memory
• Regulate emotional responses
Plasticity sits at the centre of performance.
But it does not operate in isolation.
It depends on underlying biological support systems.
The Three Core Drivers of Brain Performance
1. Stress Regulation (Cortisol & HPA Axis)
Cortisol follows a circadian rhythm — rising in the morning and gradually declining across the day¹².
Chronic dysregulation may:
• Suppress BDNF expression³
• Disrupt sleep quality²
• Increase inflammatory signalling⁷
• Reduce cognitive flexibility
Stress itself is not the problem.
Dysregulation is.
Balanced stress signalling supports adaptive capacity and cognitive stability¹ ².
2. Cellular Energy (ATP & Mitochondria)
Every thought requires energy.
ATP — produced inside mitochondria — fuels neural signalling and memory formation⁹.
Mitochondrial dysfunction has been associated with impaired cognitive performance and neurodegenerative processes⁹.
Stimulation can temporarily mask fatigue.
Only mitochondrial efficiency produces sustainable energy.
Energy production and cognitive clarity are biologically linked⁹.
3. Sleep Architecture & Recovery
Deep sleep supports:
• Synaptic pruning and homeostasis⁴⁵
• Glymphatic clearance⁶
• Growth factor regulation³
• Cortisol recalibration²
Without sufficient slow-wave sleep, adaptive processes weaken⁴ ⁵.
Recovery is not passive.
It is where performance is built.
The Regulatory Layer: What Modulates the System
Beyond the core drivers sits a regulatory layer that influences overall system stability.
Inflammation
Low-grade chronic inflammation may impair:
• BDNF expression⁷
• Synaptic efficiency⁷
• Cognitive resilience⁸
Systemic inflammatory signalling has been shown to influence disease progression and cognitive outcomes⁷ ⁸.
Cognitive clarity requires a stable internal environment.
Hormonal Transition
Oestradiol influences:
• Synaptic density¹⁰
• Brain glucose metabolism¹⁰
• Stress sensitivity¹⁰
• Sleep stability¹¹
During perimenopause and menopause, hormonal shifts may increase sensitivity to stress and sleep disruption¹¹.
These changes are biological — not psychological weakness.
Functional Mushrooms & Biological Pathways
Certain functional mushrooms have been studied for their potential role in supporting aspects of cognitive function, mood, and physical performance.
Human clinical research includes:
• Hericium erinaceus (Lion’s Mane) in mild cognitive impairment and mood support¹² ¹³
• Ganoderma lucidum (Reishi) in stress-related fatigue¹⁴
• Cordyceps militaris in exercise tolerance and oxygen utilisation¹⁵
The emphasis is not stimulation.
It is resilience.
Why This Framework Matters
Modern life places the brain under continuous load:
• High cognitive demand
• Artificial light exposure
• Chronic stress
• Irregular sleep timing
• Nutrient-depleted diets
The PJM Brain Performance Framework™ reframes performance as a systems issue.
Support stress regulation.
Support mitochondrial energy.
Protect sleep architecture.
Stabilise inflammatory balance.
Respect hormonal transition.
Neuroplasticity follows.
A Support-First Philosophy
At PURE JOY Mushrooms, the philosophy is simple:
Support the system.
Do not override it.
Certain functional mushrooms have been studied for their potential role in supporting aspects of these biological pathways, including Lion’s Mane, Reishi and Cordyceps.
The emphasis is not stimulation.
It is resilience.
Final Thought
Performance is not forced.
It is supported.
The PJM Brain Performance Framework™ exists to shift the conversation from hacks and hype toward biology and balance.
When systems are supported, clarity becomes sustainable.
In upcoming articles, each biological driver — from neuroplasticity and cortisol regulation to mitochondrial energy and hormonal transition — will be explored in greater depth.
If you’d like to explore how we approach daily biological support in practice, you can learn more about our Mind & Mood blend and Morning Blend here.
It is resilience.
References & Further Reading
Stress regulation (cortisol / HPA axis)
1. Clow A, Thorn L, Evans P, Hucklebridge F. The awakening cortisol response: methodological issues and significance. Stress. 2004;7(1):29–37. doi:10.1080/10253890410001667205.
2. Nicolaides NC, Vgontzas AN, Kritikou I, Chrousos GP. HPA Axis and Sleep. In: Endotext [Internet]. 2020.
3. Murakami S, et al. Chronic stress, as well as acute stress, reduces BDNF mRNA expression in the rat hippocampus but less robustly. Neurosci Res. 2005.
Sleep architecture, recovery, plasticity
4. Tononi G, Cirelli C. Sleep and synaptic homeostasis: a hypothesis. Brain Res Bull. 2003.
5. Tononi G, Cirelli C. Sleep function and synaptic homeostasis. Sleep Med Rev. 2006;10:49–62.
6. Xie L, Kang H, Xu Q, et al. Sleep drives metabolite clearance from the adult brain. Science. 2013;342(6156):373–377. doi:10.1126/science.1241224.
Inflammation + cognitive resilience
7. Perry VH, Cunningham C, Holmes C. Systemic infections and inflammation affect chronic neurodegeneration. Nat Rev Immunol. 2007;7(2):161–167. doi:10.1038/nri2015.
8. Holmes C, Cunningham C, Zotova E, et al. Systemic inflammation and disease progression in Alzheimer disease. Neurology. 2009.
Cellular energy + mitochondria
9. Sharma C, Kim SR, et al. Mitochondrial Dysfunction as a Driver of Cognitive Impairment in Alzheimer’s Disease. Int J Mol Sci. 2021;22(9):4850. doi:10.3390/ijms22094850.
Hormonal transition (oestrogen / menopause)
10. Hara Y, Waters EM, McEwen BS, Morrison JH. Estrogen Effects on Cognitive and Synaptic Health Over the Lifecourse. Physiol Rev. 2015;95(3):785–807. doi:10.1152/physrev.00036.2014.
11. Baker FC, de Zambotti M, Colrain IM, Bei B. Sleep problems during the menopausal transition: prevalence, impact, and management challenges. Nat Sci Sleep. 2018;10:73–95. doi:10.2147/NSS.S125807.
Functional mushrooms – human clinical trials (support-first evidence)
12. Mori K, Inatomi S, Ouchi K, Azumi Y, Tuchida T. Improving effects of the mushroom Hericium erinaceus on mild cognitive impairment: a double-blind placebo-controlled clinical trial. Phytother Res. 2009;23(3):367–372. doi:10.1002/ptr.2634.
13. Nagano M, Shimizu K, Kondo R, et al. Reduction of depression and anxiety by 4 weeks Hericium erinaceus intake. Biomed Res. 2010;31(4):231–237.
14. Tang W, Gao Y, Chen G, et al. A randomized, double-blind and placebo-controlled study of a Ganoderma lucidum polysaccharide extract in neurasthenia. J Med Food. 2005;8(1):53–58. doi:10.1089/jmf.2005.8.53.
15. Hirsch KR, et al. Cordyceps militaris improves tolerance to high-intensity exercise: randomized, double-blind, placebo-controlled trial. J Diet Suppl. 2017.
Disclaimer:
This article is for educational purposes only and does not provide medical advice. Research cited relates to general biological mechanisms and/or specific studied ingredients; it is not a claim to diagnose, treat, cure, or prevent any disease. If you have a medical condition or take medication, consult a qualified healthcare professional before making dietary changes.