14 June 2024 15:30
Topic starter
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Can psilocybin promote hippocampal recovery?
There is some evidence suggesting that psilocybin may potentially aid in the recovery of the hippocampus. The hippocampus is an important part of the brain involved in memory and emotion. Glutamate is a neurotransmitter that plays a role in the function of the hippocampus, but an excess of glutamate can lead to overstimulation of brain cells, which is associated with anxiety and depression.
Psilocybin can help restore this imbalance between glutamate and TNF-alpha. Psilocybin can inhibit the expression of TNF-alpha and can also modulate the activity of the NMDA receptor, thereby reducing overstimulation of brain cells. This can lead to a reduction in anxiety symptoms and depression.
According to recent research, lowering TNF-alpha correlates with reduced glutamate levels in the hippocampus. In theory, therefore, psilocybin can lower glutamate by reducing TNF-alpha, with the benefit of inhibiting anxiety and depression. However, the correlation can also be interpreted the other way around: psilocybin lowers glutamate activity and, consequently, TNF-alpha as well.
Although there is promising research into the therapeutic potential of psilocybin, it is important to note that more research is needed to understand the precise mechanisms and effects on the hippocampus. Would you like to read more about psilocybin and its effects on the brain? Then check out the following links.
1 Answer
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7 July 2025 13:56
Yes, psilocybin may potentially promote hippocampal recovery — although the evidence in humans is still developing. Both animal studies and initial human neuroimaging show that psilocybin leads to increased neurogenesis, improved synaptic connections and increased functional connectivity in the hippocampus. Within Triptherapie we apply these insights in an increasingly targeted manner in the guidance of people with depression, burnout, or trauma-related complaints.
What does the research say?
1. Animal studies:
Mice and rats that received a low to moderate dose of psilocybin showed a clear increase in young neurons in the dentate gyrus of the hippocampus. In addition, the level of BDNF increased — a neurotrophic factor essential for neuronal repair and plasticity. This suggests that psilocybin temporarily puts the brain into a “recovery mode,” primarily via the mTOR–BDNF–TrkB-cascade.
2. Human Studies:
In fMRI studies of healthy volunteers, an enhanced connection between the hippocampus and the default mode network was observed for up to three weeks after a single high dose of psilocybin. Additionally, in depressed patients, an increase in hippocampal volume and synaptic density was measured via diffusion MRI. Although the sample sizes are still small, these results are promising.
How does this translate into practice?
Inside Triptherapie we focus specifically on hippocampus recovery by:
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Neurochemical preparation: Optimization of glutamate and GABA through diet and supplements
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Targeted dosing: a moderate to high dose of psilocybin (15–45 mg equivalent) with attention to set & setting
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Integration: cognitive training, exercise, and mindfulness in the weeks after the session to strengthen new brain networks
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Supplement advice: including omega-3, magnesium and Lion's Mane to support neuroplasticity
Conclusion
Although the clinical evidence is still growing, all current indicators — from animal models to MRI scans — point in the same direction: psilocybin can promote the recovery and functionality of the hippocampus.. By utilizing this potential cautiously yet purposefully, Triptherapie creates a neurobiological foundation for deep emotional and mental healing.