Emerging Trends and Perspectives in the Neuroscience of Pain

A special issue of Brain Sciences (ISSN 2076-3425). This special issue belongs to the section "Sensory and Motor Neuroscience".

Deadline for manuscript submissions: closed (31 March 2026) | Viewed by 1110

Special Issue Editors


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Guest Editor
Aretaieio Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
Interests: chronic pain management; acute pain management; regional anaesthesia; anaesthesia

Special Issue Information

Dear Colleagues,

Pain neuroscience is undergoing rapid transformation across multiple fronts—from novel neuroimaging advancements to innovative neuromodulation therapies. Cutting-edge functional MRI and electrophysiological techniques are enhancing early-detection capabilities, shedding light on both acute and chronic nociceptive pathways. These neuroimaging tools illuminate the neural circuits implicated in pain perception and modulation, enabling personalised insights into individual differences, placebo analgesia, and cognitive–emotional pain regulation.

Parallel progress in neuromodulation—such as transcranial and spinal stimulation—offers promising therapeutic alternatives to opioid and other invasive interventions. Both non‑invasive (e.g., tDCS, peripheral nerve stimulation, and pulsed radiofrequency) and invasive techniques demonstrate effective pain relief with reduced adverse effects. However, research continues to refine stimulation parameters, waveform engineering, and mechanistic understanding to optimise treatment efficacy across diverse populations.

This Special Issue welcomes original research, comprehensive reviews, and concise communications that address three core themes:

  1. Neuroimaging and neurophysiology breakthroughs—including fMRI, PET, and EEG—that map anatomical and functional substrates of pain;
  2. Neuromodulation advances—including studies of spinal, peripheral, and transcranial stimulation techniques and pulsed radiofrequency—aiming to modulate aberrant pain signalling;
  3. Foundational mechanisms—exploring synaptic plasticity, neural circuitry, and psychological and genetic contributors to persistent pain.

Together, these perspectives aim to deliver a richer mechanistic understanding and accelerate the development of safer, precise, mechanism-based diagnostics and treatments for chronic pain conditions.

Dr. Martina Rekatsina
Dr. Panagiotis Zis
Guest Editors

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Keywords

  • neuroscience of pain
  • neuroimaging techniques
  • neuromodulation therapies
  • pain mechanisms
  • chronic pain

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Published Papers (1 paper)

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15 pages, 702 KB  
Systematic Review
Exercise as Medicine: Quantifying the Effects of Physical Activity on Fibromyalgia Pain—A Systematic Review and Meta-Analysis
by Vasileios T. Stavrou and Panagiotis Zis
Brain Sci. 2026, 16(4), 365; https://doi.org/10.3390/brainsci16040365 - 28 Mar 2026
Viewed by 670
Abstract
Background: The pain experienced by people with fibromyalgia (FM) is thought to be the result of altered nociceptive processing, impaired descending inhibition and reduced tolerance to physical load. However, the relationship between the amount of exercise and pain reduction remains unclear. Methods: This [...] Read more.
Background: The pain experienced by people with fibromyalgia (FM) is thought to be the result of altered nociceptive processing, impaired descending inhibition and reduced tolerance to physical load. However, the relationship between the amount of exercise and pain reduction remains unclear. Methods: This study synthesized randomized controlled trials of exercise interventions for FM to quantify the combined analgesic effects of different types of exercise. A secondary aim was to standardize exposure using metabolic equivalent of task (MET)-based metrics and examine the association between cumulative intervention dose (MET·h) and analgesic response (Hedges’ g) across intervention arms. Following the PRISMA guidelines, a search was conducted in PubMed for randomized controlled trials published up to 31 December 2025. After screening and a full-text assessment, 15 trials were included. The protocols were converted into MET-defined intensity and weekly MET·min exposure, and the cumulative dose was calculated as the total MET·h accrued over the intervention period. Random-effects models were used to estimate the pooled effects within modality subgroups. Results: Across modalities, exercise was associated with reductions in pain, with effects typically falling within the small-to-moderate range. Larger improvements were observed in structured or supervised programs. The dose-response scatter plot showed wide variability across the dose range, with overlapping confidence intervals. An exploratory fourth-degree polynomial fit explained limited variance (R2 = 0.1615) and did not indicate a monotonic dose-response pattern. This suggests that cumulative workload alone is a weak proxy for therapeutic response. Conclusions: Based on these findings, a pain-responsive algorithm combining weekly Visual Analogue Scale (VAS), ΔVAS and Talk Test thresholds was implemented as a preliminary online calculator to support the prescription of exercise tailored to symptoms. Full article
(This article belongs to the Special Issue Emerging Trends and Perspectives in the Neuroscience of Pain)
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