Based on research, improvements in brain function, including increased salience network connectivity, can be observed after
a single session of chiropractic spinal adjustment, with more significant, long-term changes typically occurring over 4 weeks of consistent care.
Key findings regarding chiropractic adjustments, salience network function, and pain relief include:
- Immediate Brain Changes: A single chiropractic adjustment can alter how the brain processes pain signals. Studies have shown increased connectivity in the salience network and changes in brain activity (Theta, Alpha, Beta waves) after just one session.
- Optimal Treatment Duration: While immediate effects exist, significant improvements in chronic pain and brain function often require a structured approach. Studies focusing on neuroplasticity and chronic pain management frequently utilize a 4-week treatment period to measure lasting changes.
- Frequency of Care: For chronic pain and significant neuroplastic changes, a frequency of 2–3 sessions per week for 4-8 weeks (totaling 12+ sessions) is commonly recommended in clinical guidelines.
- Mechanism of Action: Chiropractic care helps to increase the connectivity of the salience network, allowing it to communicate better with other brain regions involved in pain, emotion, and cognition. This helps to “reset” how the brain processes pain.
- Specific Improvements: Research on chronic low-back pain patients has shown that increased salience network connectivity is directly associated with reduced pain.
